P. havardii , Havardiani , ( 5 ), Sow under thin cover 8 wks lavender , dryland , yes suffruticosus , Caespitosi , ( 5 ), Surface Sprinkle the fine black seeds evenly over the surface of the mix; for germinating seeds place them carefully so emerging roots don't get damaged. Be sure to water the pots regularly in spring and once the plants are 5 cm (2 inches) tall, transplant them into your garden. (4C) under light , ( 24x4 ), herbaceous , herbaceous , red, purple , (Smoke, Seed Germination and Penstemons.) Basic seed germination falls into three categories: No pre-treatment the absence of the requirement for either basic technique . @ 40F (4C), move to 60F (16C) for germ. plains , yes dryland I have found that most germination occurs What the gardener Use a fine spray that won't disturb the soil cover. The plant crowns will remain dry if they are covered in gravel. Gmail. 12 wks @ 40F (4C), needs light for germ. ), While seed of many Penstemon species germinates easily without any special Just a few inches long is enough. move to 60F (16C) , ( 24x? Easily raised from seed (blooms second year). light. Cover the seeds with fine grit or compost to approximately their own depth. light; if no germ. flat to gradually dry and store in a dry place until the next year. moist woodland Sow Direct. : 415,000 Bloom time: Mid Summer Zone: 4-9 Most of its known occurrences are on the Deschutes National Forest. P. grahamii , Aurator , ( 5 ), Store seed @ 70F (21C) P. albomarginatus , Arenarii , ( ? P. floridus v. floridus , Peltanthera , ( 6 ), Surface sow Germination is variable but most commonly around 21 days, it can be quicker if kept at 15 to 20C. Posted on Jul 26, 2022 in single hockey puck display case. P. hidalgensis , Perfoliatus , ( 7 ), Sow barely covered 8 in 4 wks, move to 60F (16C) , ( 24x? Deadhead after flowering to maintain vigor and cut back to the base in early spring. open wooded , yes screes Propagation by seed. , ( 36x? plains open wooded Protect the flat from digging animals and animals that eat seeds. dryland ), under light. rocky cliff Using this method, you can seed a swath of desert penstemon (Penstemon parryi) into a wildflower slope and cover a vast area with penstemons. P. glandulosus v. chelanensis , Serrulati , ( ? plains , yes Sow barely covered 8 wks you seek is not on the list, jump to the synonym list at the end of the second herbaceous , lavender , moist woodland herbaceous , blue , Grow penstemons in moist but well-drained soil in full sun to partial shade. Sow barely covered 8 wks P. angustifolius ssp. For best results, sow seeds onto a good soil-based compost. , ( ), , , 60F (16C) , ( 8x3 ), herbaceous , Seed treatments were hickory smoke . wks @ 40F (4C), move to 50F (10C) for germ. if no germ. , ( 8x4 ), (4C), move to 60F (16C) for germ. subshrub , blue , ), herbaceous , blue, purple , P. degeneri , Humiles , ( 5 ), Sow barely covered 8 wks @ P. flowersii , Anularius , ( 5 ), Surface sow 12 wks @ 40F open wooded P. laevigatus ,Penstemon ,( 6 ), Sow barely covered 8 wks @ 40F (4C), move to 50F (10C) under light; if no germ. Add to Favorites Penstemon Pseudospectabilis - Desert Penstemon seed $ 3.30. herbaceous , blue , They wont sprout. As a result, always sow more seed than you think youll need while starting your garden. Seeds germinated quicker when they were soaked in either 1000 or 1500 mg L -1. , blue , dry upland ), Store seed @ 70F (21C) P. cobaea v. cobaea , Aurator , ( 5 ), Surface sow 8 wks @ herbaceous , lavender , Seeds require cold temperatures to germinate, so plant them in the fall. I recommend a planting mix of 40% perlite and 60% vermiculite. @ 40F (4C), move to 50F (10C) under light; if no Freshly collected seeds should not be used to start new plants. Sow barely covered 8 wks We have evidence that changes occurring in the dry state are relatively un- important. P. floridus v. austinii , Peltanthera , ( 6 ), Surface sow @ 40F (4C), germinates at 40F under light. in 4 wks, move to ), Sow under thin . (4C), needs light for germ. , ( 12x? , violet , alpine Plants need little to moderate water once established. 8 wks @ 40F (4C), move to 60F (16C) for germ. How to grow penstemons. herbaceous , lavender , P. caudatis , Anularius , ( 4 ), Sow under thin cover 8 wks dryland , yes (4C), needs light for germ. Set aside a few square feet for the plants in your backyard. The seed will fall out of the capsule. (21C) in a non-humid environment for 6 mo. ), Sow under thin cover Penstemons are valuable perennial landscaping plants. Print Friendly. Put a label on the bag indicating what sort of seed is within, when it was collected, and the date of collection. Germination under light. Keep an eye out for the sprouting of seed leaves. Take your cuttings from non-blooming stems in the late spring into the fall. 40F (4C), germinates at 40F under light. Palmer's penstemon is easy to grow from seed and may be sown directly outside after final frost or, for early spring blooming, start indoors 8 " 10 weeks prior. Expt . @ 40F (4C) , ( 24X6 ), herbaceous , @ 40F (4C), needs light for germ., move to 50F (10C) P. fremontii , Habroanthus , ( 4 ), Surface sow 8 wks @ 40F herbaceous , blue, lavender, violet , , Proceri , ( 4 ), Sow barely covered P. harringtonii , Anularius , ( 4 ), Sow barely covered 8 wks ), Store seed @ 70F (21C) This mimics the icy conditions of the season. P. eriantherus v. argillosus , Aurator , ( 4 ), Sow under thin Cover with a very fine sprinkling of compost or vermiculite. around 21 days For best results, sow seeds onto a good soil-based compost. wks @ 40F (4C), needs light for germ., move to 60F (16C) Penstemons are short-lived perennials that can suffer in winter. ), herbaceous , purple , Mulch annually with well-rotted manure or leaf mould, and feed weekly in summer. P. floribundus , Saccanthera , ( 5 ), Sow barely covered 8 under light. North America is home to more than 250 species. at temperatures at or below 70 F so if germination has not occurred 3 wks @ 40F (4C) , ( 15x6 ), herbaceous They come in a variety of shapes and sizes. During the winter, provide additional irrigation as needed. ONLY GERMINATE A SMALL PORTION AT A TIME. Penstemons do best in direct sunlight. wks @ 40F (4C), needs light for germ. no germ. under light. alpine open wooded , ( 2x8 ), herbaceous , blue , rocky cliffs herbaceous , pink, purple , under light. P. digitalis "Husker Red" , Penstemon , ( 3 ), Surface sow (4C), needs light for germ. There is a plantain in every one of them. open wooded (21C) in a non-humid environment for 6 mo. P. attenuatus v. palustris , Proceri , ( 4 ), Sow barely covered Germination can take 1 to 6 months, but is often quicker. You can transfer seedlings into your garden whenever they have two to three pairs of leaves. herbaceous , lavender , before tomato planting time, it probably wont occur that year. dryland (4C), move to 60F (16C) for germ. P. attenuatus "Nelsoni" , Proceri , ( 4 ), Sow barely covered 40F (4C), germinates at 40F under light. cover 8 wks @ 40F (4C) , ( 8x5 ), open wooded wks @ 40F (4C), move to 50F (10C) under light; if 8 wks @ 40F (4C) , ( 6x? Propagating penstemon can be a very rewarding hobby. Ensure not to cover the seeds completely, as they require light to germinate. and germination can sometimes be quicker if kept at 15 to 20 degrees C. We sow most seeds in an unheated greenhouse and wait for natural germination, as many seeds . Transplant to their final destination, in a sunny location. Spread a thin layer of dirt over the seeds. open wooded herbaceous , pink , ), Sow barely covered 8 from alpine, desert, or other regions where the climate is harsh have evolved P. fasciculatus , Fasciculi , ( ? wks @ 40F (4C) , ( 30x? It is not necessary to fertilize them. Water the flat with a very gentle flow of water such as that from a fine-head watering pot or from a flaring rose attachment on a hose. germ. Main Office: Sow barely covered 8 wks Penstemon seeds require light to germinate, so be careful not to cover them when planting. 40F (4C), move to 50F (10C) under light; if no germ. dryland Seeds must be covered thinly. herbaceous , pink, blue, varies , in 4 wks, move to 60F (16C) , ( 16x10 ), (4C), move to 60F (16C) for germ. in 4 wks, move to white , plains ), methodology data. wks @ 40F (4C), move to 50F (10C) under light; if They are in fact related. Penstemon seeds can be sown directly into the garden OR seedlings can be raised in trays or other containers and transplanted to the garden once established. P. cardinalis , Elmigera , ( 5-9 ), Surface sow 8 wks @ 40F From seed; direct sow outdoors in fall. percentage of seed germination occurred when seeds were soaked with 1000 mg -1L GA. 3 (almost 100% germination after 8 d). , ( 16x12 ), herbaceous , red , ), Sow under P. carnosus , Anularius , ( 4 ), Surface sow 12 wks @ 40F ), Store seed @ 70F Ensure consistent temperatures of above 15 degrees for best germination rates. P. barrettiae , Dasanthera , ( 6 ), Surface sow 8 wks @ 40F If you live in a dry (4C), needs light for germ. Germination should take about 3 to 6 weeks. , blue , dry upland @ 40F (4C), move to 60F (16C) for germ. P. janishiae , Aurator , ( 5 ), Scarify seed, Surface sow 8 Penstemon palmeri Palmer penstemon. Begin sowing your seeds in March by placing them on the surface of damp soil and covering the container with a plastic bag for a few weeks. mixed germ. open wooded Or, for planting in the spring, stratify the seeds in cold moist conditions for 8 - 12 weeks. (21C), sow stored seed under thin cover 6 wks @ 40F (4C) ), @ 40F (4C), move to 70F (21C) for germ. Check the soil every week and spray it if its dry. alpine Watch for emergence of seed leaves. (21C), sow stored seed on surface 8 wks @ 40F (4C) under ), Sow barely covered 8 wks Penstemons range in height from 1 to 3 feet, and there are 250 distinct species. dryland in a non-humid environment for 6 mo. Penstemon Germination Information Penstemon is the botanical name for Bearded Tongue How to Sow Penstemon: Best sown indoors at alternating temperatures of 55 and 75 Expect germination in 10-15 days for P. hartwegii; 30 days for P. barbatus and P. strictus; Seeds can also be sown outdoors in late fall or early spring (21C) in a non-humid environment for 6 mo. Previous research on the germination of the species has focused on the length of time seeds can remain viable in the seedbank, genetic variation, and the effects of light and darkness on seed germination. wks @ 40F (4C), needs light for germ. If no germination information is given, try the default germination strategy For example, you may need to do a seed treatment beforehand. , ( 6x? alpine If necessary, add water. ), herbaceous , red , 40F (4C), germinates at 40F under light. dryland @ 40F (4C), germinates at 40F under light. Plant on soil surface and cover with a thin layer of sand USDA Plant Guide (pdf) Richfield Plant Guide (pdf) Pricing Range of Penstemon eatonii herbaceous , pink, purple , under light. ), No germ. ), herbaceous , blue , 8 wks @ 40F (4C), move to 50F (10C) under light; Germ. @ 40F (4C) , ( 4x6 ), herbaceous , wks @ 40F (4C), needs light for germ. Crown rot is caused by organic mulches like bark that absorb moisture. P. gormanii , Aurator , ( 6 ), Store seed @ 70F (21C) ), herbaceous , blue , glaber , Habroanthus , ( 5 ), Surface sow 8 P. haydenii , Anularius , ( 5 ), Sow barely covered 8 wks @ Sow barely covered 8 wks , lavender , alpine Although most select cultivars are . 40F (4C), move to 50F (10C) under light; if no germ. Scientific name: Penstemon palmeri Bi-annual forb that thrives in rocky, disturbed soils. herbaceous , red, purple , 60F (16C) , ( 14x12 ), shrub , (21C), sow stored seed on surface 8 wks @ 40F (4C) under @ 40F (4C), move to 50F (10C) under light; if no Most of its known occurrences are on the Deschutes National Forest. herbaceous , white , Mexico P. atwoodii , Aurator , ( 4 ), Store seed @ 70F (21C) in 4 wks, move to 60F (16C) , ( 20x10 ), Some are only able to grow in zones 5 and 6. indicated by the word "yes" in the final column (2nd Yr. These plants are drought tolerant once established and are perfect for beds, borders, rock gardens, and cut flowers! P. ammophilus , Habroanthus , ( 6 ), Sow barely covered 8 wks From seed; winter sow in vented containers, coldframe or unheated greenhouse. To keep the soil from drying out, the plastic bag is used. thin cover 8 wks @ 40F (4C) , ( 8x5 ), (4C), needs light for germ. in 4 wks, move to 60F (16C) , ( 12x10 ), ), @ 40F (4C), germinates @ 40F , ( 48x? ), herbaceous Protocols for seed germination and transplant production involving fertilization are needed for conservation purposes. 8 wks @ 40F (4C), needs light for germ. , ( 3x? , ( 24x16 dryland if no germ. thin cover 8 wks @ 40F (4C) , ( 24x12 ), dryland ), Store seed @ 70F P. cobaea v. purpureus , Aurator , ( 5 ), Surface sow 8 wks plains , yes , ( 6x18 ), P. cardwellii , Dasanthera , ( 4 ), Surface sow 8 wks @ 40F alpine open wooded (4C), move to 60F (16C) for germ. blue, purple , screes , ( 7x? PENSTEMON AMELIA JANE SEEDS (30+ seeds) - Plant World Seeds. P. attenuatus v. militaris , Proceri , ( 4 ), Sow barely covered cover 8 wks @ 40F (4C) , ( 8x5 ), 40F (4C), germinates at 40F under light. ), herbaceous , scarlet , Keep the mix moist but not soggy. 40F (4C), needs light for germ. of 12 weeks outdoor treatment in winter if you live where temperatures go dry upland ), Sow barely covered 8 wks @ 40F 40F (4C), move to 50F (10C) for germination (Swayne, 2000). dry upland Keep an eye out for seed leaves, which will soon appear. @ 40F (4C), move to 60F (16C) for germ. @ 40F (4C) , ( 6x20 ), mat (4C), needs light for germ. Penstemon digitalis (Foxglove Beardtongue) matures to 3' in height and has white to pink flowers. Abstract. , ( 24x20 ), shrub , white, pink , in 4 wks, move to 60F (16C) , ( 36x? Sow barely covered 8 wks At least six inches apart, 12-inch plants should be placed. P. cyanocaulis , Habroanthus , ( ? herbaceous , pink, lavender, blue , dryland. P. bracteatus , Anularius , ( 5 ), Sow barely covered 8 wks If the species Germination can often occur in the second or third year. Germ. Look up the species of penstemon you are going to grow from seed to see where it grows and what its growing requirements are. , ( 36x8 ), barely covered 8 wks @ 40F (4C), move to 50F (10C) Blooms will be seen the second or third season after planting. dryland Tip cuttings can be used to propagate Penstemon. thin cover 12 wks @ 40F (4C) , ( 24x8 ), Propagation: Seeds: Days to germinate: 10-30 Suitable for wintersowing Sow in situ Start indoors Can handle transplanting: Propagation: Other methods: Division: Containers: mat , lavender , alpine offer considerable poten-tial for increased horticultural use. open wooded For them, even compost is too much of a challenge. Sowing Direction: (15) Rapidly germinating, keep seed in constant moisture (not wet) with temperatures of about +20C [68F]. are herbaceous perennials that flower in the spring. germ. From seed; stratify if sowing indoors. The Effect of Smoke on Seed Germination: Global Patterns and Regional Prospects for the Southern High Plains by Yanni Chen B.S; Ecological Genetics of Penstemon in the Great Basin, U.S.A; Washington County, Utah Plant Guide; Wildflower Checklist Blue Flax U N B SPF Penstemon Angustifolius Var; Penstemons Are for Great Basin Gardens; Eaton's . Santaquin, Utah Mix the seed with an equal quantity of sand so you get wider spacing of seeds as you sow them. Also called Venus Penstemon. Gently press down the covering soil with the palms of your hands or with the bottom of another clean flat. P. isophyllus , Fasciculatus , ( ? badlands in 4 wks, move to 60F (16C) , ( 72x? pink , dryland , yes Soilless potting mix can be used to almost completely fill a nursery flat. cover 12 wks @ 40F (4C) , ( 1x8 ), tufted under light. P. attenuatus "Bald Mt." ), Store seed @ 70F in 4 wks, Leave the bag in there for three months. ), herbaceous , lavender P. glandulosus v. glandulosus , Serrulati , ( ? (4C), move to 60F (16C) for germ. P. barbatus "Rondo" , Elmigera , ( 3-8 ), Store seed @ 70F in 4 wks, move to 60F (16C) , ( 36x? , ( 8x? Cutting or causing an abrasion on the seed coat is especially useful for some penstemon species, such as the Penstemon haydenii. 8 wks @ 40F (4C) , ( 22x3 ), herbaceous known to germinate during either the first or second year after sowing are It is very easy to grow from seed. ), Sow barely covered 8 wks @ 40F Plant seed 0.32 cm (1/8 inch) deep in pots and label the pots. herbaceous , lavender , methodology data. , , alpinus , Habroanthus , ( 5 ), Surface sow 8 The American Penstemon Society is of great help to people just beginning to grow penstemons.There is virtually a species or cultivar of penstemon for almost any landscaping situation, and many of them are tolerant of drought, poor soil and little maintenance. One beardtongue penstemon can grow up to what heights and widths? ), ), herbaceous , blue , P. clutei , Peltanthera , ( 4 ), Store seed @ 70F open wooded , purple , (4C), needs light for germ., move to 50F (10C) for germ. Add to Favorites . Fence the area if necessary from animals that might eat seeds or scratch them up. ), between the time that seed is set and germination occurs as closely as possible. Penstemon is a perennial, herbaceous plant. under light. @ 40F (4C), germinates @ 40F under light. Yahoo Mail. P. hirsutus "Minimus" , Penstemon , ( 4 ), Sow under thin cover sand dunes Effect of temperature on seed germination . Use metal staples, similar to those used to fasten the fabric covering the tunnels in your spring garden to shelter plants from cold, to keep it in contact with the soil. They need to be separated by a greater distance for higher ones. They dislike being crammed in with other people. herbaceous , white, pink, varies , blue, purple , open wooded Stems are weakly branched. mat , blue, violet , P. grinnellii , Peltanthera , ( 6 ), Store seed @ 70F Every few weeks, check the bag to see if the paper towels are still damp and if any seeds have sprouted. Penstemon grandiflorus is one of the showiest of all Penstemons! ), Sow P. glaucinus , Proceri , ( 5 ), Sow barely covered 8 wks @ P. attenuatus v. pseudoprocerus , Proceri , ( 4 ), Sow barely 40F (4C), needs light for germ. in 4 wks, move to 60F (16C) , ( 48x? Penstemon strictus Perennial to 45cm Vivid blue flowers Low maintenance Perennial to 45cm. Do not cover very small seeds, but tightly press into the earth. methodology data. P. heterodoxus , Proceri , ( 4 ), Sow fresh seed @ 70F in 4 wks, move to 60F (16C) , ( 28x12 ), P. gracilentus , Saccanthera , ( 6 ), Sow barely covered 8 Make sure the flat is exposed to the elements by putting it in the open air. Place the seedlings in a room with a temperature range of 400F to 600F in a sunny window. Seed germination patterns were examined in the laboratory for seeds from 135 populations belonging to 38 species and 13 sections of the genus Penstemon (Scroph-ulariaceae), from habitats ranging from warm desert to alpine tundra. , ( 26x6 ), mat , color varies , herbaceous , pink, purple , P. immanifestus , Anularius , ( ? P. cerrosensis , Centranthifolii , ( 8 ), Store seed @ 70F Germination is best with cold-moist . Sow barely covered , ( 16x? ), Sow under thin cover 8 What Do the Seeds of Moonflowers Look Like. P. glaber ssp. , ( ), , , , ( 3x8 ), Transfer of seeds failing to germinate at warm temperatures (25 and 30C) to 15C and applying 720 M gibberellic acid (GA3) solution was effective in breaking primary dormancy of firecracker penstemon and . ), open wooded P. glabrescens v. taosensis , Ericopsis , ( 5 ), No germ. P. griffinii , Humiles , ( ? in 4 wks, dryland (4C), move to 60F (16C) for germ. 40F (4C), move to 50F (10C) under light; if no germ. Give supplemental irrigation through the winter as needed. If you have a penstemon plant, delicately bend a stem to the ground to accomplish this. (21C), sow stored seed under thin cover 8 wks @ 40F (4C), P. fruticosus "Purple Haze" , Dasanthera , ( 4 ), Sow under P. idahoensis , Habroanthus , ( 5 ), Sow barely covered 8 wks dryland Another method to encourage seed germination is by scarification or removing the seed coat. Planting Seed in Place 1. Sow barely covered 8 wks P. ambiguus , Ambigui , ( 5-10 ), Sow fresh seed @ 70F ), herbaceous , lavender , First set of leaves of cutting should be buried. Many penstemon species require cold stratification as a method to break dormancy, but the effects of cold, moist conditions have not been examined in Pecks penstemon. @ 40F (4C), move to 60F (16C) for germ. We investigated the seed production and germination requirements of Penstemon oklahomensis, a species of conservation concern, to determine interannual variation in seed production and germination requirements. open wooded Prefers open exposed areas such as rocky hillsides, road banks, gravel pits or gravelly washes. View shipping schedules, delivery methods and tracking information. in 4 wks, move to 60F (16C) , ( 6X? in a non-humid environment for 6 mo. @ 40F (4C), germinates @ 40F under light. They can grow up to 3 feet long. If seed has not germinated by May then allow the in 4 wks, move to 60F (16C) , ( 16x6 P. franklinii , Aurator , ( ? @ 40F (4C), move to 60F (16C) for germ. dryland Basal leaves are semi-evergreen and are palatable to livestock and wildlife during spring and winter. Keep seeds moist until germination, or 14-30 days. Great for cottage gardens, mixed beds, borders and rockeries. dryland Late spring and early summer is peak bloom time. ), alpine herbaceous , violet , P. alamosensis , Centranthifolii , ( 5 ), Sow under thin cover | P. gairdneri , Gairdneriani , ( 6 ), Surface @ 40F (4C), move to 60F (16C) for germ. in 4 wks, move to light. ), herbaceous , blue , dryland , 8 wks @ 40F (4C), move to 50F (10C) under light; Begin treatment in November. Take advantage of further rainfall or snowfall if necessary. P. fruticosus v. fruticosis "Bald Mt." P. jamesii , Aurator , ( 4 ), Store seed @ 70F (21C) A perennial sometimes called Beardtongue, Penstemon plants will reward you with brilliant non-stop blooms with deep bronze-green foliage. mat , lavender, purple, rose , mixed white, varies , Death Valley , ( 12x? You should expect germination to be irregular and occurring over a long period (4C), needs light for germ. Propagate by making cuttings in summer or early autumn. white , lowland Allowing plenty of light. Castilleja, Chionophila and some Penstemon species are good examples of this type. rocky areas , ( 12x12 @ 40F (4C), germinates at 40F under light. Best planted from March to mid-May. germ. It is considered a Sensitive Species by the US Forest Service, and a Species of Concern by the US Fish and Wildlife Service. (4C), needs light for germ. They will not germinate. Sow barely covered 8 wks open wooded , ( 18x6 ), mat , color varies , There will be a germination failure of some of the seeds youve planted. mat , blue , dry (4C), move to 50F (10C) under light; if no germ. P. gentianoides , Fasciculi , ( 7 ), Sow barely covered 8 wks P. calycosus , Penstemon , ( 5 ), Sow barely covered 8 wks How to Care for Penstemon Penstemons needs very little water and barely any fertilizer. in a non-humid environment for 6 mo. cover 3 wks @ 40F (4C) , ( 4x4 ), dryland , yes When you notice fresh growth on your cutting, you know it has rooted. herbaceous , blue , Penstemon seed often shows an inconsistent or a low germination percentage, but in the third experiment, percentage and rate of seed germination were the highest for seeds grown inside of the growth chamber, probably as a result of the consistency of temperatures and darkness. , lavender , lowland ), Management Bluestem penstemon should be used as component of seed mixtures for pollinator plantings and restoration projects throughout its range. Sow barely covered 8 wks The batter should be wet but not sloppy. SEED GERMINATION TIP!!!!! , ( 16x16 ), shrub , lavender ), herbaceous , pink , wks @ 40F (4C), move to 50F (10C) under light; if area you may need to provide water. herbaceous , blue, lavender, pink , Penstemon Species , Penstemon Group , (Zone) , Germination Methodology , ( 10x? in 4 wks, move to 60F (16C) , ( 11x? @ 40F (4C), move to 50F (10C) under light; if no @ 40F (4C), germinates at 40F under light. Place the gathered seeds in a damp paper towel and fold them up. Supplement natural rainfall or snowfall if needed to keep the flat moist. If youre using seeds that are germinating, youll want to plant them carefully to avoid damaging the roots. under light. P. guadalupensis , Aurator , ( 8 ), Store seed @ 70F P. azureus , Saccanthera , ( 6 ), Sow barely covered 8 wks Tubular flowers come in a variety of colors, including red, orange, pink, purple, blue, magenta, yellow, and white. ), Sow under . ), herbaceous , scarlet , Some species grow very easily from seed, others are stubborn from seed. Make a label with the name of the plant and date of planting. Cut all stems down to low-growing shoots in mid to late March. 8 wks @ 40F (4C), move to 50F (10C) under light; , ( 2x6 ), P. australis , Penstemon , ( ? in 4 wks, move to 60F (16C) , ( 16x? in 4 wks, move to 60F (16C) , ( 30x? cover 8 wks @ 40F (4C) , ( 8x5 ), P. barnebyi , Aurator , ( ? desert Tubular flowers are red, orange, pink, lavender, blue, magenta, yellow and white, depending on the species. open wooded Most penstemon seeds are perennials, but are not quite as slow as some. rocky cliff In the fall, they have only a short period of time to develop their root systems. Attractive ornamental and is an excellent choice for bee habitat and honey production. , ( 12X? 40F (4C), move to 50F (10C) under light; if no germ. 12 wks @ 40F (4C), move to 50F (10C) for germ. Grass seed germinates at different rates, depending on various factors such as the grass species, weather, time of year and soil moisture. Plant the seed at a depth of to inch and keep the soil moist after planting for natural stratification to occur. P. eriantherus v. whitedii , Aurator , ( 5 ), Sow under thin P. campanulatus v. campanulatus , Campanulati , ( 6 ), Sow dry upland Customer Reviews. Rocky Mountain Penstemon thrives in rocky to sandy loam soils. herbaceous , violet , P. comarrhenus , Habroanthus , ( ? 40F (4C), move to 50F (10C) under light; if no germ. Carry those Xeriscapes frequently make use of them. , ( 12x? P. acaulis v. yampaensis , Caespitosi , ( 3 ), Sow under thin (4C), needs light for germ., move to 60F (16C) for germ. plains in 4 wks, move to 60F (16C) , ( 14x? Sow barely covered 8 wks mixed , ( 8x60 ), shrub @ 40F (4C), move to 60F (16C) for germ. Avoid overly fertile soil. Germination is variable but most commonly around 21 days, it can be quicker if kept at 15 to 20C. Provides good ground cover Widely used for controlling erosion, disturbed and burned sites. P. ellipticus , Dasanthera , ( 4 ), Sow barely covered 8 wks Using northern penstemons, failure to follow these instructions will result in poor seed germination. Put it securely in the flat. (21C) in a non-humid environment for 6 mo. alpine If you have a spot that rarely gets watered, but still want a beautiful, flowering perennial, Dazzler Blend will delight! herbaceous , pink, lavender , Mexico , yes The roots of a fallen stem are presumably familiar to you from other plants. P. acuminatus v. acuminatus , Anularius , ( 6 ), Sow under move to 50F (10C) under light; if no germ. Mexico Re-seal the plastic bag and put the paper towel inside. @ 40F (4C), move to 60F (16C) for germ. Penstemons thrive in a sunny position. under light. (4C), germinates @ 40F under light. Scientific Name: Penstemon strictus. P. absarokensis , Habroanthus , ( 4 ), Sow barely covered 8 The seeds have poor germination, which is something more to keep in mind. The stems growing tip is the most active component of the plant. Kept at 60-70 F., germination in 14 to 30 days. Penstemons come in a variety of shapes and sizes. for germ. and cold stratification without a lot of extra work. Between February and April, or during September. P. gracilis , Penstemon , ( 4 ), Store seed @ 70F 40F (4C) , ( 6x3 ), herbaceous , P. concinnus , Aurator , ( ? , ( 20X? ), Penstemon thrives in full sun or partial shade in fertile, dry to medium moisture, well-drained soils. These seeds will germinate best under cool conditions so planting in the late fall, early winter is best to allow for natural stratification. ), barely covered 8 wks @ 40F (4C), move to 50F (10C) Here we evaluate the effects of different periods of cold stratification on seeds from several different populations. Gardeners can choose a penstemon to suit their needs in every area. dryland , ( 12x12 ), Sow barely covered 8 wks @ 40F ), herbaceous , blue, lavender , ), move to 50F (10C) under light; if no germ. herbaceous , blue , P. cardwellii "Roseus" , Dasanthera , ( 4 ), Surface sow 8 The extent of dormancy in seeds of 27 wild populations of Penstemon representing 16 Intermountain species was investigated by subjecting seeds to stratification (moist prechilling) of 2 . I found that percent germination increased in response to smoke for 3 species, Penstemon secundiflorus Benth., P. strictus Benth., and P. unilateralis Rydb., with smoke-exposed seeds exhibiting 1.9-, 2.5-, and 1.7-fold greater percent germination, respectively, than those of non-smoked seeds. connatus , Peltanthera , ( 6 ), Surface herbaceous , yellow, white , plains , yes , blue, pink , plains P. inflatus , Humiles , ( ? in 4 wks, move to 60F (16C) , ( 24x? Regional. dryland ), herbaceous , white , 8 wks @ 40F (4C), needs light for germ. Again, all GA. 3. treatments were effective for increasing the speed of seed germination by 7 to 13 d (Table 2). , ( 24x16 ), herbaceous , pink, blue, varies , P. eriantherus v. cleburnei , Aurator , ( 4 ), Sow under thin dryland , yes dryland herbaceous , blue, violet , herbaceous , yellow , Include in the front of your wildflower areas. Watch the flat as weather warms for emergence of seed leaves. ), Store seed @ 70F DON'T PUT ALL YOUR MONKEYS IN A BARREL. P. deaveri , Habroanthus , ( ? Once the stems are fully established. sow 8 wks @ 40F (4C), needs light for germ. ), herbaceous herbaceous , lavender , in 4 wks, move to 60F (16C) , ( 6x? The genus has about 275 species, all native to North America, and numerous cultivars exist. , blue, purple , open wooded , yes While many @ 40F (4C) , ( 15x4 ), herbaceous , P. dissectus , Dissecti , ( 6 ), Sow barely covered 8 wks @ no germ. dryland , yes P. baccharifolius , Baccharifolii , ( ? , ( 20x? P. centranthifolius , Centranthifolii , ( 8 ), none , ( 32x6 , ( 16x? If you can collect seed yourself, store it in paper envelopes in a cool, dry location. P. imberbis , Elmigera , ( ? (21C) in a non-humid environment for 6 mo. under thin cover 8 wks @ 40F (4C) , ( 16x12 ), P. cyanthophorus , Anularius , ( 4 ), Surface sow 12 wks @ Youll have to collect, swap, or buy seeds and nurture the plants yourself if you want to grow most of the natural species. Sow barely covered 8 wks , ( 18x? Penstemon whitish. Sow barely covered 8 wks @ 40F sow 12 wks @ 40F (4C), needs light for germ. P. distans , Aurator , ( ? A cutting taken from the end of a stem that includes its growing tip is referred to as a tip cutting. Water the area well. The American Penstemon Society: Propagation From Seed. , blue, violet , open wooded no germ. Plant database entry for Penstemon 'Esprit' with 4 images and 33 data details. @ 40F (4C), germinates @ 40F , ( 30x? , ( 12x12 ), P. harbourii , Peltanthera , ( 3 ), Sow fresh seed @ 70F Keep an eye out for seed leaves when the weather heats up. Penstemon is as easy to grow from seed in your garden as it is in the wild. , ( 27x? Peck's penstemon ( Penstemon peckii) is endemic to Oregon, occurring in only Deschutes and Jefferson counties. P. dasyphyllus , Dentanthera , ( ? must do is to try to simulate the conditions found in the native habitat P. gibbensii , Habroanthus , ( 5 ), Store seed @ 70F Caring for Beard tongue and other Penstemon plants in the garden. plains rocky cliff P. confertus , Proceri , ( 5 ), Surface sow 8 wks @ 40F You should expect germination to be irregular and occurring over a long period of time for many species. Keep soil moist but never wet or dry. P. buckleyi , Anularius , ( 6 ), Store seed @ 70F Fold the paper towel so the seeds can't fall out. Starting seeds indoors requires tricking them into believing that winter is over so that they can germinate. It is the animals and birds that pass through these locations that spread the seeds of the plants because they are unable to move themselves. The species represent a wide range of habitats and historical fire regimes, from dry grasslands that . , ( 36x24 ), Beard tongues in the garden , lavender , desert , yes ), Color: Red Height: 18-20 Type: Perennial Climate: Sun-Dry Seeds/lb. wks @ 40F (4C), germinates at 40F under light. ), herbaceous , color varies , methodology data. (4C), needs light for germ. herbaceous , blue , seed pots lacking germination into the next season. , ( 10x? dryland P. filisepalis , Fasciculi , ( ? , ( 12x? inhibitors must be removed by exposure to long periods of dry conditions, P. barbatus , Elmigera , ( 3-8 ), Store seed @ 70F , ( 5x3 ), mat , yellow, white , , ( 5x3 ), @ 40F (4C), move to 50F (10C) under light; if no , alpine This will ensure that all or most of the seed leaves the broken capsule. upland Seal container inside a polythene bag and place at 15-20C (59-68F). Quantity is per pound. for germ. Excellent choice for bee habitat and honey production. herbaceous , white , Cultivation Advice PENSTEMON - SENSATION MIXED. P. calcareus , Aurator , ( 7 ), Sow barely covered 8 wks @ So perhaps year-old seed is best. under light. Sow barely covered 8 wks ), herbaceous , blue , Penstemon is generally disease free, but keep an eye out for slugs, snails, spider mites and eelworms. angustifolius , Anularius , ( 4 ), Sow @ 40F (4C), germinates at 40F under light. herbaceous , pink , dryland thin cover 8 wks @ 40F (4C) , ( 26x12 ), How to Grow Beardtongue From Seeds Penstemons are easy to start from seed. Penstemon growers new to the hobby might benefit greatly from the American Penstemon Society. Between February and April, or during September. no germ. P. bicolor , Peltanthera , ( ? P. hallii , Habroanthus , ( 3 ), Sow fresh seed dry upland 60F (16C) , ( 60x? @ 40F (4C) , ( 6x8 ), shrub , alpine Remove the main plants stem, carefully dig out its freshly formed root ball, and transplant it to a new location somewhere in your garden when you notice new growth. (21C) in a non-humid environment for 6 mo. The same is true of starting plants from cuttings; some species and cultivars start easily, others do not. P. brandegei , Habroanthus , ( 5 ), Surface sow 8 wks @ 40F Seeds of most species were dormant at dispersal and required a period of moist chilling to become germinable. ), subshrub , blue , plains (21C) in a non-humid environment for 6 mo. Twitter. 40F (4C), needs light for germ. (4C), needs light for germ. These flowers attract hummingbirds and butterflies into the garden and offer a variety of colors such as scarlet, pink, blue, purple, orange, yellow, and white. The penstemon plants should be large enough to handle. ), P. deustus , Deusti , ( 5 ), Sow under thin cover 8 wks @ P. fruticosus , Dasanthera , ( 4 ), Sow under thin cover 8 8 wks @ 40F (4C), move to 50F (10C) under light; The seed will germinate more easily in the spring because of the chilly weather in the winter months. , white , dry upland Put the sealed plastic bag into a crisper drawer in the refrigerator. in a non-humid environment for 6 mo. germ. in 4 wks, move to 60F (16C) , ( 24x? covered 8 wks @ 40F (4C), germinates at 40F under light. However, not all beans are the same, and , purple, blue , dryland P. amphorellae , Fasciculus , ( ? P. caesius , Saccanthera , ( ? Penstemons (Penstemon spp.) Native to the southern Rocky Mountains. How To Grow Rocky Mountain Penstemon Seeds # 1 | Direct sow in late fall, pressing into the surface of the soil since this seed needs light to germinate. A significant difference in number of seeds . Fertilize when planting only. (4C), move to 50F (10C) under light; if no germ. herbaceous , pink , , ( 18x24 ), shrub , lavender , alpine Generally the species from the Eastern Watch for seed leaves to emerge. As a general rule of thumb, 36-inch plants should be spaced at least 18 inches apart, if not more, apart from each other. ), Put the flat in an area with gradually warming temperatures and partial sunlight and keep it watered. Studies have shown that smoke from wildfires increase the germination rates of many penstemon species, in addition to many other plant species in ecosystems around the world. herbaceous , lavender , sand (21C), sow stored seed under thin cover 8 wks @ 40F (4C), blue , dryland , yes dryland (21C) in a non-humid environment for 6 mo. ), blue, violet , dryland , yes In cold winter climates, stratify or cold-treat penstemon seeds; in mild winter climates, stratify or cold-treat the seeds, if necessary. , ( 10x30 ), of time for many species. alpine Dyson vacuum comparison: Which Dyson model should you buy? Cover the seeds with a thin covering of soil about equal to the diameter of the seed. Although most select cultivars are propagated by cuttings, for export to other countries, seed is preferred.. @ 40F (4C), move to 50F (10C) under light; if no But the seed does have a physiological dormancy in that it needs cold moist stratification and sunlight to germinate. , ( 5x3 ), in a way so that germination only occurs when conditions are right. in 4 wks, move to 60F (16C) , ( 36x? in 4 wks, move to 60F (16C) , ( 16x10 ), , ( 8x? dryland Penstemon seed often shows an inconsistent or a low germination percentage. , ( 48x12 ), @ 70F (21C), sow stored seed under thin cover 8 wks @ 40F | , ( ), thin cover 8 wks @ 40F (4C) , ( 16x12 ), under light. The perfect gift for all the gardeners in your life! how long do penstemon seeds take to germinate. Once large enough to handle prick out to trays or single pots and grow on. germ. in 4 wks, move to 60F (16C) , ( 9x10 ), Most of the native species can't be gotten from nurseries, so you have to collect, exchange or buy seeds and grow the plants yourself. in 4 wks, move to 60F (16C) , ( 24x? Grow Penstemon: Penstemons prefer full sun, part sun in hottest climates. P. acuminatus v. latebracteatus , Anularius , ( 6 ), Sow under alpine P. fendleri , Anularius , ( 5 ), Store seed @ 70F Flowers are almost foxglove-like in appearance,though on a small scale, in shades of pink- red with white throats. P. caespitosus , Caespitosi , ( 4-8 ), Surface sow 12 wks @ Chaney also writes poetry, which has appears in "Woman's World" magazine and elsewhere. So, you either need to cold-moist stratify the seeds in the refrigerator using the paper towel method for 30-60 days or Winter-Sow the seed. Perennial 30 cm long. Place them outdoors in an area where they will experience the snow and cold of winter. ), herbaceous , white, lavender , in a non-humid environment for 6 mo. ), herbaceous , lavender , , ( 16x16 ), shrub , lavender , P. cyananthus v. cyananthus , Habroanthus , ( 4 ), Sow under , ( 8x4 ), Sow barely covered 8 wks @ 40F benefit seed propagation efforts. P. arkansanus , Penstemon , ( 6 ), Sow barely covered 8 wks ), Store seed @ 70F P. diphyllus , Serrulati , ( ? Planting How does one plant a penstemon seed? P. campanulatus v. subglandulosus , Campanulati , ( 6 ), Sow Sow barely covered 8 wks @ 40F ), To avoid losses, pruning penstemon is best done in spring. 40F (4C), move to 50F (10C) under light; if no germ. The Penstemon seed is located within the seed heads. Get rid of any seeds that have already sprouted, as outlined in Section 2, steps 1 to 4. , ( 17x12 ), herbaceous , pink, purple , Keep seeds moist until germination, or 14-30 days. dryland P. angustifolius v. vernalensis , Anularius , ( 4 ), Sow under GA. 3 (Days 4 and 5). @ 40F (4C), move to 60F (16C) for germ. @ 70F (21C), sow stored seed on surface 8 wks @ 40F (4C) ), herbaceous , red , P. bolanius , Campanulati , ( ? Sow barely covered 8 wks @ 40F This plant is said to grow outdoors in the following regions: Flagstaff, Arizona. Penstemon seeds often germinate best after being stored dry for 6 months to a year, so do not discard seed that is not fresh. Look inside the bag every few weeks to make sure the paper towels stay moist and to check for germination. dryland If youre planting penstemons, about how far apart should you space them? methodology data. ), herbaceous , blue , In the wild, Penstemon is as easy to cultivate from seed as it is to grow in your own yard. P. hendricksonii , Elmigera , ( 7 ), Sow barely covered 8 wks Flower Seeds. (4C), needs light for germ. Refrigerate the container with the lid in a cool, dry location. Use this technique if you have a large area to landscape with penstemons and if you have plenty of seed, such as seeding a swath of desert penstemon (Penstemon parryi) into a wildflower slope. herbaceous , pink , @ 40F (4C), move to 50F (10C) for germ. P. eriantherus v. redactus , Aurator , ( 4 ), Sow under thin light. 8 wks @ 40F (4C), needs light for germ. in a non-humid environment for 6 mo. in 4 wks, move to 60F (16C) , ( 18x? # 2 | Keep the soil lightly moist until germination. ), herbaceous , lavender , P. clevelandii ssp. herbaceous , blue , herbaceous , blue, varies , under light; if no germ. herbaceous , white , Press flower seeds into soil, but do not cover. , ( 16x5 Mature seed capsules were collected and seed numbers counted in two successive years to assess interannual variation in seed production. in 4 wks, move to 60F (16C) , ( 16x10 ), They are pretty drought resistant, and usually put on a pretty good flower show in their second growing season. , ( 8x? open wooded , ( 8x? alpine , ( 26x16 ), germ. Germ.). Two important facts to keep in mind about penstemon seed is that it needs a period of at least six months to dry. P. heterophyllus , Saccanthera , ( 5 ), Sow barely covered P. compactus , Habroanthus , ( 5 ), Store seed @ 70F ), herbaceous , pink, varies , ), mat , scarlet , Excellent rock garden plant and a nice addition to well-drained containers. Place seed on the surface of a good free draining, damp, seed compost. Make sure its safe and sound in there. , ( 8x14 ), Store seed @ 70F herbaceous , blue, purple , red, purple , Mexico desert Add water if needed. ), 40F (4C), move to 50F (10C) for germ. herbaceous , blue, violet , , ( 1x6 ), @ 40F (4C) , ( 24x12 ), herbaceous Disclaimer, Fall Gardening: Planting Bulbs in Warm Zones. Germination best at 60F+. 563 SW Jefferson Ave EDEN BROTHERS2099 BREVARD ROADARDEN, NC 28704About | Job Opportunities, All Content 2022 Eden Brothers and its subsidiaries. P. cusickii , Saccanthera , ( 5 ), Store seed @ 70F Gardening 101 under light; if no germ. After the danger of frost has passed, harden off the seedlings and transplant them into your garden. Pecks penstemon (Penstemon peckii) is endemic to Oregon, occurring in only Deschutes and Jefferson counties. ), @ 40F (4C), move to 60F (16C) for germ. P. discolor , Linarioides , ( ? ), shrub , red , P. angustifolius v. venosus , Anularius , ( 4 ), Sow under Cathryn Chaney has worked as a gardening writer since 2002. Because of the reduced moisture, they may not be able to develop deep enough roots over the winter, which can lead to weak or even dead plants in the spring. ), herbaceous , blue , herbaceous , red, varies , ), Sow under thin cover 8 wks How long do penstemon seeds take to germinate? Each wildflower seed packet contains approximately 100 seeds. P. flavescens , Proceri , ( 6 ), Sow barely covered 8 wks @ plains , yes (21C) in a non-humid environment for 6 mo. , ( 18x8 ), herbaceous , lavender , Learn more about germination light requirements here. in a non-humid environment for 6 mo. Sow barely covered 8 wks P. caespitosus ssp. , ( 2x6 ), Put the paper towel inside a resealable plastic bag. It is considered a Sensitive Species by the US Forest Service, and a Species of Concern by the US Fish and Wildlife Service. ), herbaceous , scarlet , Water in very dry spells. badlands , yes It prefers medium to dry medium soils but can adapt to many light conditions: full sun to part shade such as clearings within forests, woods' edges, and savannas. , ( 30x8 ), herbaceous , lilac , page. Sow barely covered 8 wks purple , plains , yes ), mat , cream, lavender , ), Sow barely covered 8 wks 40F (4C), move to 50F (10C) under light; if no germ. Cover the seeds with a fine layer of soil. P. dolius , Aurator , ( 4 ), Surface sow 12 wks @ 40F , ( 8x60 ), shrub , color varies P. globosus , Proceri , ( 6 ), Sow barely covered 8 wks @ yes dryland Learn which horticultural species will perform the best within your particular geographic region. thin cover 8 wks @ 40F (4C), move to 50F (10C) for upland , red , rocky herbaceous , blue , Latin Name: Penstemon Hartwegii Planting Directions Temperature: 60 - 70F Average Germ Time: 14 - 30 days Light Required: Yes Depth: Cover lightly, seed should be visible Sowing Rate: 2 - 3 seeds per plant Moisture: Keep seeds moist until germination Plant Spacing: 16 - 20 inches Care & Maintenance: Penstemon . Digging animals and seed-eating animals should be kept away from the flat. @ 40F (4C), move to 60F (16C) for germ. Excellent establishment has been obtained at Upper Colorado Environmental Plant Center in Meeker, Colorado from dormant fall seedings. P. glaber ssp. Stratify--or cold-treat--the seeds if the plant grows in a cold winter climate; if penstemons are of hybrid origin or grow in mild winter climates they won't need stratification. In addition, deer avoid them as a bonus. P. humilus , Humiles , ( 5 ), Surface sow 4 wks @ 40F Spread a thin layer of dirt over the seeds, about the same thickness as the seeds diameter. Increased germination in P. unilateralis was only . Plant Penstemon Seeds: Sow penstemon seed in cell packs or flats, press into soil, and barely cover. Her horticultural experience working in the nursery industry informs her garden articles, especially those dealing with arid landscaping and drought-tolerant gardening. @ 40F (4C), move to 50F (10C) under light; if no alpine Sow barely covered 8 wks (4C), needs light for germ., move to 70F (21C) for germ. ), Sow barely covered 8 wks P. euglaucus , Proceri , ( 4 ), Sow barely covered 8 wks @ @ 40F (4C), move to 60F (16C) under light. 40F (4C), move to 50F (10C) under light; if no germ. dryland They dont need more than an inch of rain a week. Plug tray recommended size (s): 128 / 288. (4C), needs light for germ. plains , yes You should not try planting freshly harvested seeds. Use a permanent marker or pencil. P. eximeus , , ( ? under alpine alpine Sow seeds directly in the garden 2mm deep and 40cm apart. ), No germ. Many penstemon species and cultivars can withstand drought, poor soil, and minimal care in practically any landscaping location. Make sure the region is thoroughly hydrated. move to 60F (16C) , ( 20x8 ), herbaceous , ( 24x? , ( 10x6 ), thin cover 8 wks @ 40F (4C), move to 50F (10C) for You will usually get reasonable germination for about five years after collection, and possibly even longer for some species. in a non-humid environment for 6 mo. herbaceous , pink, red , under light. After three months, remove the sack and bring it to your plant-work area. ), herbaceous , Payment Policy @ 40F (4C) , ( 4x4 ), info@appliedeco.org, Southwest Office: Rooting from divisions ), herbaceous , lavender , ), herbaceous , blue , alpine in 4 wks, move to 60F (16C) , ( 50x? P. albertinus , Humiles , ( 5 ), Sow barely covered 8 wks @ With the palms of your hands or the bottom of a clean flat, gently press down on the covering soil. plains cover 8 wks @ 40F (4C) , ( 16x12 ), plains , yes How to grow penstemon from seed part 1 Guaranteed results every time - YouTube 0:00 / 3:08 How to grow penstemon from seed part 1 Guaranteed results every time 4,024 views Nov 15,. Because the seeds of most species require a period of stratification to break dormancy, the best planting method is to sow seeds outdoors in fall or early winter and allow them to germinate naturally. methodology data. open wooded , ( 40x? under light. I evaluated whether smoke influences germination for 10 Penstemon species native to the Interior West of North America (Table 1; Figure 1). Sow barely covered 8 wks Seeds should germinate in around 14-21 days at a soil temperature of 20-24 C. , ( 30x12 The cues that regulate penstemon seed germination are apparently received by imbibed seeds. herbaceous , white, lavender , desert Penstemon foliage is large, bright green, shiny. Large-flowered Beardtongue is loved by bees and hummingbirds and is drought tolerant. The seed of penstemon must be dried for at least six months before it can be planted. P. caryi , Habroanthus , ( 4 ), Sow barely covered 8 wks @ P. glabrescens v. glabrescens , Peltanthera , ( ? To help the soil settle, shake the flat. herbaceous , blue, lavender, violet , Many cultivars are available, and the genus contains roughly 275 species, all of which originate in North America. ), It is common to find penstemons in deserts and other dry regions. Seed germination for other Penstemon species may also be enhanced by smoke, yet they remain untested. ), No germ. P. arenicola , Anularius , ( 4 ), Sow under thin cover 8 wks P. hartwegii , Fasciculi , ( 9 ), Sow fresh seed @ 70F ), Place the flat outside where the flat will be exposed to natural temperatures. ), Store seed herbaceous , red , , ( 10x3 ), ), in 4 wks, move to 60F (16C) , ( 27x10 ), There are more than 250 perennial species of native North American penstemons (Cronquist et al., 1984), a few of which are currently cul- . thin cover 8 wks @ 40F (4C) , ( 36x10 ), Fill a clean nursery flat almost to the top with a soilless potting mix. ), P. albidus , Aurator , ( 4 ), Sow under thin cover 8 wks @ germ. If you sow the seeds in the garden, do so in autumn, to allow a natural stratification period. thin cover 12 wks @ 40F (4C), move to 50F (10C) for if no germ. , ( 16x? Types and varieties of penstemon. under light. ), (4C), move to 60F (16C) for germ. dryland In the past Native Americans treated toothaches by chewing the root pulp of this plant and then placing it in the cavity. Latin Name: Penstemon Hartwegii Planting Directions Temperature: 60 - 70F Average Germ Time: 14 - 30 days Light Required: Yes Depth: Cover lightly, seed should be visible Sowing Rate: 2 - 3 seeds per plant Moisture: Keep seeds moist until germination Plant Spacing: 16 - 20 inches Care & Maintenance: Penstemon The drawback of propagating penstemon from seeds is that you need to know your variety or species' specific requirements and germination conditions. herbaceous , blue, purple , row cover. sow 12 wks @ 40F (4C), needs light for germ. Germination Soft pink flowers bloom May to July along tall stout stems. under light. P. heterodoxus v. shastensis , Proceri , ( 4 ), Sow fresh seed dryland @ 40F (4C), move to 60F (16C) for germ. P. campanulatus "Garnet" , Campanulati , ( 6 ), Sow barely under light. For the next three months, keep the bag in there. (21C) in a non-humid environment for 6 mo. mat , blue, lavender , ), ), herbaceous @ 40F (4C) , ( 16x7 ), herbaceous , , ( 18x36 ), shrub , red, purple , 541-753-3099 P. arenarius , Arenarii , ( 4 ), Sow barely covered 8 wks @ under light. , dryland P. acaulis v. acaulis , Caespitosi , ( 3 ), Sow under thin upland Its best to maintain the flat in a region with progressively warming temperatures and some sun exposure. open wooded Do not exclude light, as this helps germination. Remove any germinated seeds for immediate planting as in Section 2, steps 1 through 4. Keep in cooler conditions after germination occurs. Remove the leaves from the bottom one-inch or less of the plant. If seed has not germinated by May then allow the flat to gradually dry and store in a dry place until the next year. Mexico ), herbaceous , white, herbaceous , color varies , in 4 wks, move to 60F (16C) , ( 30x? light; if no germ. P. davidsonii , Dasanthera , ( 4 ), Surface sow 8 wks @ 40F I recommend a planting mix of 40% perlite and 60% vermiculite. or wait for the seeds to ripen. (21C) in a non-humid environment for 6 mo. (21C) in a non-humid environment for 6 mo. , P. hirsutus "Pygmaeus" , Penstemon , ( 4 ), Sow under thin P. clevelandii , Peltanthera , ( 6 ), Store seed @ 70F P. hintonii , Ericopsis , ( 5 ), No germ. ), , ( 18x9 ), desertpicti , Caespitosi , ( 4-8 ), Surface The seeds will germinate best in cool conditions so plant seeds in the late fall or early winter in a site with full sun and good drainage. herbaceous , scarlet , The seeds should be germinated in the light, at 12 to 18 degrees centigrade (54 to 64F). Species Terms & Conditions in 4 wks, move to 60F (16C) , ( 16x? germ. below zero Farenheit for at least 60 days or a similar period in the refrigerator Flowers attract butterflies and . dryland @ 40F (4C), move to 50F (10C) under light; if no Put the plants name and date of planting on a label. herbaceous , purple , in 4 wks, move to 60F (16C) , ( 60x? @ 40F (4C), move to 50F (10C) for germ. Clump forming habit with green leaves and flower spikes covered with bright vivid blue flowers in late spring to early summer. 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