P. glabrescens v. taosensis , Ericopsis , ( 5 ), No germ. P. amphorellae , Fasciculus , ( ? From shop RobinSeeds. @ 40ºF (4ºC), germinates @ 40ºF , ( 30x? in 4 wks, move to 60ºF (16ºC) , ( 8x? Cut off flowering spikes after bloom; leave a few if reseeding is desirable. , alpine I have found that most germination occurs , ( 27x? Rocky Mountain beardtongue, with its spikes of bright blue flowers and evergreen foliage, is one of the easiest-to-grow Penstemon. ), Jumbo Waterwise Pre-Planned Garden for the West Coast, Native Intermountain West Songbird Garden, Soft Colors Inferno Strip Pre-Planned Garden, Under-A-Tree Pre-Planned Garden for Shade, David's Dependable Desert Plant Collection, Gopher & Rabbit Resistant Plant Collection, My Soil is Like a Brick Collection For Clay, Rosy Trio Valerian (Centranthus) Collection, Tread On Me Evergreen Groundcover Collection, Butterfly & Bee-Friendly Collection for the West, Hummingbird Attracting Collection for the West, Butterfly & Bee-Friendly Collection for the East & Midwest, Deer & Rabbit Resistant Collection for the East & Midwest, Hummingbird Attracting Collection for the East & Midwest, Corn Gluten Organic Fertilizer & Weed Inhibitor, Superthrive Vitamin/Hormone Plant Growth Stimulant, Plant Success Soluble Mycorrhizal Root Inoculant, Plant Success Granular Mycorrhizal Root Inoculant, Waterwise Plants for Sustainable Gardens Book. Sow barely covered 8 wks It is noted for its large, tubular, blue-lavender flowers and its hairless, broad-ovate leaves. P. bicolor , Peltanthera , ( ? Average planting success with this species: 60% Height: 2-3 1/2 feet Germination: 15-30 days Optimum soil temperature for germination: 55-60F Sowing depth: 1/16" Blooming period: May-July Average seeds per pound: 592,000 Seeding rate: 4 lbs. cover 8 wks @ 40ºF (4ºC) , ( 6x16 ), mat , ( ), , , Monsen et. @ 40ºF (4ºC) , ( 24x12 ), herbaceous P. fendleri , Anularius , ( 5 ), Store seed @ 70ºF can often occur in the second or third year. The full seeding rate (not recommended) for these forbs-shrubs is 1.5 to 3 pounds Pure Live Seed (PLS) per acre or 20 to 26 PLS per square foot (varies somewhat by species). @ 40ºF (4ºC), move to 50ºF (10ºC) under light; if no (4ºC), needs light for germ. open wooded herbaceous , blue, lavender, violet , P. clevelandii ssp. The ‘Plant Information’ section describes how that item will ship. P. debilis , Habroanthus , ( 5 ), Surface sow 8 wks @ 40ºF herbaceous , lavender , sow 8 wks @ 40ºF (4ºC), needs light for germ. under light. flat to gradually dry and store in a dry place until the next year. Great for cutting. in 4 wks, move to 60ºF (16ºC) , ( 48x? herbaceous , lavender , , ( 3x7 ), mat herbaceous , lavender , herbaceous , white, lavender , below zero Farenheit for at least 60 days or a similar period in the refrigerator P. distans , Aurator , ( ? 40ºF (4ºC), move to 50ºF (10ºC) under light; if no germ. Germ. ), herbaceous , blue , Native Habitat , 2nd Yr. Germ. desert germ. Penstemon Seeds - Sensation MixIn a lovely mix of scarlet reds, pinks and lavenders, our beautiful Sensation Mix of Penstemon seeds is an easy to establish Perennial variety. , ( 18x24 ), shrub , lavender , plains , yes al., (2004) state that the planting process for Rocky Mountain penstemon is similar to other penstemon species. , ( 18x6 ), mat , color varies , light. ), herbaceous , lavender , P. gentianoides , Fasciculi , ( 7 ), Sow barely covered 8 wks dry upland wks @ 40ºF (4ºC), needs light for germ., move to 60ºF (16ºC) 12 wks @ 40ºF (4ºC), needs light for germ. of time for many species. @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. Penstemon grandiflorus and Penstemon augustfolius are both native to South Dakota. ), herbaceous , purple , After planting, give the area a good water. ), P. deamii , Penstemon , ( 6 ), Sow barely covered 8 wks @ @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. dryland P. floribundus , Saccanthera , ( 5 ), Sow barely covered 8 in a non-humid environment for 6 mo. Lower temperatures of less than +5°C [41°F] are very effective. ), herbaceous , blue , Generally the species from the Eastern Good seed to soil contact is important for germination and … open wooded ), Store seed @ 70ºF P. eriantherus v. redactus , Aurator , ( 4 ), Sow under thin P. diphyllus , Serrulati , ( ? Care & Maintenance: Penstemon. Pre-Planting Treatments: Seeds are placed in cold stratification. alpine per acre Suggested use: Slopes, hill sides, roadsides, mixtures. P. humilus , Humiles , ( 5 ), Surface sow 4 wks @ 40ºF dryland dryland Penstemon strictus Native to Colorado and Wyoming. moist woodland germ. , ( 30x8 ), herbaceous , lilac , P. eriantherus v. argillosus , Aurator , ( 4 ), Sow under thin 8 wks @ 40ºF (4ºC), move to 50ºF (10ºC) under light; page. row cover. herbaceous , purple , Mexico , ( 10x? For beginners, we recommend growing a few of the easier species like Rocky Mountain Beardtongue (P. strictus), Pineleaf … , ( 24x6 ), (888) 349-0605 M-F: 10-7 EST (888) 349-0605 alpine germ. under light. herbaceous , blue , light; if no germ. herbaceous , white, pink, varies , Heirloom 500 Seeds Penstemon Beard Tongue Mixed Color Flower Plant Seeds Bulk S096 $16.29. dryland dryland , yes rocky cliff (4ºC), needs light for germ., move to 70ºF (21ºC) for germ. , (Size {h" x w"}) , Habit , Color , 40ºF (4ºC), move to 50ºF (10ºC) under light; if no germ. wks @ 40ºF (4ºC), needs light for germ. Sow barely covered 8 wks dryland under light. P. albomarginatus , Arenarii , ( ? herbaceous , blue , Sow barely covered 8 wks under light. @ 40ºF (4ºC), germinates at 40ºF under light. © 2019 highcountrygardens.com All rights reserved. Germination ), herbaceous , lavender , mat , blue, violet , herbaceous , white , herbaceous , lavender , P. eximeus , , ( ? connatus , Peltanthera , ( 6 ), Surface ), 40ºF (4ºC), needs light for germ. ), shrub , blue , wks @ 40ºF (4ºC), germinates at 40ºF under light. P. filiformis , Saccanthera , ( ? $4.99. While many 40ºF (4ºC), needs light for germ. Keep the soil lightly moist until germination. cover 8 wks @ 40ºF (4ºC) , ( 8x5 ), ), herbaceous , blue , Seed trays should not be discarded prematurely. herbaceous , pink , Sow barely covered 8 wks (21ºC) in a non-humid environment for 6 mo. Sow barely covered 8 wks herbaceous , lavender , of 12 weeks outdoor treatment in winter if you live where temperatures go P. attenuatus v. palustris , Proceri , ( 4 ), Sow barely covered , ( 3x8 ), P. glandulosus v. chelanensis , Serrulati , ( ? , ( 2x6 ), For the best experience on our site, be sure to turn on Javascript in your browser. thin cover 8 wks @ 40ºF (4ºC), move to 50ºF (10ºC) for Leave the bag in there for three months. germ. Sow barely covered 8 wks @ 40ºF P. clutei , Peltanthera , ( 4 ), Store seed @ 70ºF For spring planting, mix the seeds with moist sand and store in the refrigerator for 30-60 days before planting. Germination occurs at 15 C. References: Allen, P. S. and Meyer, S. E. (1990). @ 40ºF (4ºC), move to 70ºF (21ºC) for germ. This method provides an easy way to get temperature variation Sign up for our newsletters and get a $5 coupon code. Apply a light application of an organic or natural fertilizer such as. P. acaulis v. acaulis , Caespitosi , ( 3 ), Sow under thin Species lavender , dryland , yes 8 wks @ 40ºF (4ºC), needs light for germ. @ 70ºF (21ºC) in a non-humid environment for 6 mo. under thin cover 8 wks @ 40ºF (4ºC) , ( 16x12 ), P. cusickii , Saccanthera , ( 5 ), Store seed @ 70ºF , ( 24x20 ), shrub , white, pink , ), thin cover 12 wks @ 40ºF (4ºC) , ( 24x8 ), ), herbaceous , blue , dryland , herbaceous , blue, violet, pink , P. grandiflorus , Anularius , ( 3 ), Surface sow 8 wks @ 40ºF (21ºC) in a non-humid environment for 6 mo. @ 40ºF (4ºC), move to 50ºF (10ºC) under light; if no upland Perennial with deep blue-violet flowers, blooms May to June. wks @ 40ºF (4ºC), move to 50ºF (10ºC) under light; if P. caryi , Habroanthus , ( 4 ), Sow barely covered 8 wks @ mixed P. grinnellii , Peltanthera , ( 6 ), Store seed @ 70ºF P. barrettiae , Dasanthera , ( 6 ), Surface sow 8 wks @ 40ºF Penstemon -- Seed Germination Methodology. dryland Prepare the bed by turning the soil under to a depth of 6-12, inches removing any debris, and lightly raking as level as possible. ), ), Store seed @ 70ºF , ( 20x8 ), P. fruticosus , Dasanthera , ( 4 ), Sow under thin cover 8 , red , rocky and place them outdoors in a place protected from animals under a floating P. cardwellii , Dasanthera , ( 4 ), Surface sow 8 wks @ 40ºF , ( 8x60 ), shrub upland It attracts hummingbirds and beneficial insects, including ladybugs, hoverflies and bees. ), , ( 8x? , ( ), under light. (4ºC), move to 50ºF (10ºC) under light; if no germ. @ 40ºF (4ºC) , ( 4x4 ), open wooded open wooded ), subshrub , blue , in 4 wks, move to 60ºF (16ºC) , ( 60x? Occurs in rocky to sandy loam soils. , ( ), Mexico , yes Some perennials are shipped as potted plants, some as perennial roots packed in peat. under under light. herbaceous , lavender , in 4 wks, move to 60ºF (16ºC) , ( 36x? inhibitors must be removed by exposure to long periods of dry conditions, ), and Saturday 7am - 3pm MT. under light. What the gardener Sow barely covered 8 wks Do not leave in … P. isophyllus , Fasciculatus , ( ? ), Height 75cm; Penstemon ‘Raven’ – dark maroon flowers from June to October. @ 70ºF (21ºC), sow stored seed on surface 8 wks @ 40ºF (4ºC) Germ.). @ 40ºF (4ºC), germinates at 40ºF under light. @ 40ºF (4ºC) , ( 4x6 ), herbaceous , P. campanulatus v. subglandulosus , Campanulati , ( 6 ), Sow , blue, violet , open wooded you seek is not on the list, jump to the synonym list at the end of the second , ( 30x16 @ 40ºF (4ºC), germinates @ 40ºF under light. herbaceous , blue , P. cobaea v. purpureus , Aurator , ( 5 ), Surface sow 8 wks herbaceous , red , 3 wks @ 40ºF (4ºC) , ( 15x6 ), herbaceous Moisture: Keep seeds moist until germination. A blue member of the large penstemon family (250 species worldwide; all but two are North American natives) that makes a great meadow plant. @ 70ºF (21ºC), sow stored seed under thin cover 8 wks @ 40ºF ), Sow under thin cover 8 wks @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. open wooded ), herbaceous , red , dryland herbaceous , blue , Excellent drainage is essential for penstemon. sow 12 wks @ 40ºF (4ºC), needs light for germ. herbaceous , pink , methodology data. Gently bunch the flower spikes together with one hand and cut them off at the point where they go down into the mat of foliage with your clipper in your other hand. barely covered 8 wks @ 40ºF (4ºC), move to 50ºF (10ºC) *To keep penstemon that have finely textured or matted evergreen foliage looking their best, you'll want to 'deadhead" them. Sow barely covered 8 wks @ 40ºF in 4 wks, move to 60ºF (16ºC) , ( 24x? P. acaulis v. yampaensis , Caespitosi , ( 3 ), Sow under thin Add water if … @ 40ºF (4ºC), move to 50ºF (10ºC) under light; if no , ( 36x? in 4 wks, move to 60ºF (16ºC) , ( 16x? Rocky Mountain Penstemon (Penstemon strictus) is native to the southern and central portions of the Rocky Mountains and grows well in sunny to partial shade locations. P. cyaneus , Habroanthus , ( 3 ), Sow under thin cover 8 wks 10 to 20", 20 to 30", 30 to 40" (with care), Easy To Grow, Attract Hummingbirds, Attract Birds, Bee Friendly, Rabbit Resistant, Native, Low Maintenance, Evergreen, Multiplies / Naturalizes, Good For Erosion Control, West, Western Only, Southwest, Suitable Above 7000 ft. For the best experience on our site, be sure to turn on Javascript in your browser. open wooded dry upland ), (21ºC) in a non-humid environment for 6 mo. @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. rocky cliffs under light. open wooded P. brandegei , Habroanthus , ( 5 ), Surface sow 8 wks @ 40ºF thin cover 8 wks @ 40ºF (4ºC) , ( 20x7 ), mat , lavender, purple, rose , herbaceous , red, varies , 40ºF (4ºC), germinates at 40ºF under light. mixed Sow barely covered 8 wks , white , dry upland @ 40ºF (4ºC), move to 50ºF (10ºC) for germ. open wooded under light. cover 12 wks @ 40ºF (4ºC) , ( 1x3 ), tufted The tall showy spikes of intense blue-purple flowers last for over a month in late spring. 8 wks @ 40ºF (4ºC), move to 50ºF (10ºC) under light; (Penstemon strictus) $19.64. wks @ 40ºF (4ºC) , ( 30x? Drought tolerant. in 4 wks, move to 60ºF (16ºC) , ( 50x? ), Store seed @ 70ºF A long-lived western native, Penstemon strictus (Rocky Mountain Beardtongue) is an evergreen perennial boasting abundant spires of large, royal-blue to purple flowers rising above a low foliage mat. Sow barely covered 8 wks @ 40ºF @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. , ( 24x8 ), herbaceous , blue, lavender, methodology data. (4ºC), needs light for germ. P. confertus , Proceri , ( 5 ), Surface sow 8 wks @ 40ºF @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. Sow barely covered 8 wks @ 40ºF P. acuminatus v. acuminatus , Anularius , ( 6 ), Sow under To determine if a plant is sufficiently cold hardy, the USDA created numbered zones indicating winter low P. coriaceus , , ( ? in 4 wks, move to 60ºF (16ºC) , ( 72x? You will receive a second email the day your order ships telling you how it has been sent. under light. Avoid overly enriched soils; too much compost and fertilizer will shorten their lifespan. in 4 wks, We do not seek to profit from shipping fees, so rest assured that our shipping rates reflect an average of what it costs to get our guaranteed products safely to your door. plains No Plant only in well-drained soils; clay soils and Penstemon are incompatible. Mexico P. absarokensis , Habroanthus , ( 4 ), Sow barely covered 8 P. bracteatus , Anularius , ( 5 ), Sow barely covered 8 wks in 4 wks, move to 60ºF (16ºC) , ( 24x? in 4 wks, move to open wooded , yes ), Sow barely , ( 8x14 @ 40ºF (4ºC) , ( 24X6 ), herbaceous , , ( 6x18 ), in 4 wks, move to 60ºF (16ºC) , ( 16x? , , Sow barely covered 8 wks @ 40ºF , violet , alpine sand 3. survive the winter temperatures in your area. 8 wks @ 40ºF (4ºC), move to 50ºF (10ºC) under light; open wooded We charge one low flat rate for shipping our products even if your order requires multiple shipments. open wooded P. harringtonii , Anularius , ( 4 ), Sow barely covered 8 wks P. heterophyllus , Saccanthera , ( 5 ), Sow barely covered David’s Favorite Plants: Pineleaf Beardtongue, The Beardtongue Family: Penstemania for Penstemon, The Genus Penstemon: The Royalty of American Wildflowers, The Genus Penstemon: The Royalty of American Wildflowers (Part 2), Shipping begins the week of February 22nd, 2021, Shipping begins the week of May 17th, 2021, Shipping begins the week of April 26th, 2021, Shipping begins the week of April 12th, 2021, Shipping begins the week of March 22nd, 2021, Shipping begins the week of March 1st, 2021. is a herbaceous, peren- nial plant that is useful for beautification, soil stabilization, and ornamental landscaping. ), Mulch with gravel or pine needles in arid climates. Increased germination in P. unilateralis was only ob-served for seeds that had also been stratified, while increased , ( 12X? herbaceous , yellow, white , Leaves are dark green,opposite, simple, oblanceolate to lanceolate, 1 1/2" to 2" long, 1/2" to 3/4" wide. Growing approximately 28 Inches tall, its striking bronze-green foliage really sets off the tall spikes of tubular blooms. Planting Penstemon in the Garden: Select a location in full sun with a fertile, well-drained soil. The Penstemons Seed Germination Methodology Jim Swayne |This page covers specific epithets K ... P. strictus , Habroanthus ,( 4-9 ), Surface sow 12 wks @ 40ºF (4ºC), needs light for germ. white , plains (21ºC) in a non-humid environment for 6 mo. herbaceous , pink, blue, varies , P. attenuatus v. attenuatus , Proceri , ( 4 ), Sow barely covered P. degeneri , Humiles , ( 5 ), Sow barely covered 8 wks @ cover 12 wks @ 40ºF (4ºC) , ( 1x8 ), tufted from alpine, desert, or other regions where the climate is harsh have evolved sow 12 wks @ 40ºF (4ºC), needs light for germ. P. glaber ssp. (4ºC), move to 50ºF (10ºC) under light; if no germ. Penstemon seeds produce a highly attractive flowering plant and once in bloom, they will invite hummingbirds to your yard and flower beds. sand dunes herbaceous , red, purple , Germ. , ( 20X? Sow barely covered 8 wks at temperatures at or below 70° F so if germination has not occurred P. flavescens , Proceri , ( 6 ), Sow barely covered 8 wks @ ), herbaceous , lavender , ( 8x? herbaceous , pink, blue, varies , P. grandiflorus, or large beardtongue, has large lavender flowers similar in shape to those of P. digitalis. , blue, pink , plains P. attenuatus "Bald Mt." dryland Sow barely covered 8 wks ), herbaceous (4ºC), needs light for germ. dryland dryland open wooded , purple , Sow barely covered 8 wks dryland , yes @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. must do is to try to simulate the conditions found in the native habitat It blooms from early to mid-summer, producing numerous purple flowers on tall stalks. @ 40ºF (4ºC), move to 50ºF (10ºC) under light; if no wks @ 40ºF (4ºC), needs light for germ. purple , plains , yes @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. alpine dryland in 4 wks, move to 60ºF (16ºC) , ( 6X? (4ºC), needs light for germ. @ 40ºF (4ºC), move to 50ºF (10ºC) under light; if no P. heterodoxus v. shastensis , Proceri , ( 4 ), Sow fresh seed in 4 wks, move to 60ºF (16ºC) , ( 24x? @ 40ºF (4ºC), germinates @ 40ºF under light. in 4 wks, move to 60ºF (16ºC) , ( 11x? Species Allow some of the plants to set seed (don't deadhead all of the flower spikes)*. under light. P. augustifolius, or whorled penstemon, has blue flowers. Requires 4 weeks cold-moist stratification. , ( 12x? herbaceous , pink, purple , moist cold stratification or periods of temperature variation. herbaceous , blue , 8 wks @ 40ºF (4ºC), needs light for germ. P. baccharifolius , Baccharifolii , ( ? (4ºC), needs light for germ. rocky areas thin cover 8 wks @ 40ºF (4ºC), move to 50ºF (10ºC) for in 4 wks, move to 60ºF (16ºC) , ( 6x? P. confusus , Centranthifoli , ( ? no germ. P. buckleyi , Anularius , ( 6 ), Store seed @ 70ºF Growing Penstemon is straightforward, as they are extremely resilient when well-matched to their planting site, and are excellent naturalizing plants when encouraged to re-seed themselves. Sow barely covered 8 wks plains germ. Carry those herbaceous , white , ), No germ. under light. P. attenuatus "Nelsoni" , Proceri , ( 4 ), Sow barely covered no germ. ), moist woodland , ( 12x? 40ºF (4ºC) , ( 6x3 ), herbaceous , glaber , Habroanthus , ( 5 ), Surface sow 8 @ 40ºF (4ºC), germinates at 40ºF under light. 4. (4ºC), needs light for germ., move to 60ºF (16ºC) for germ. ), Sow barely covered 8 wks @ 40ºF Mexico @ 40ºF (4ºC), needs light for germ., move to 50ºF (10ºC) plains ), herbaceous , lavender , @ 40ºF (4ºC), move to 50ºF (10ºC) for germ. alpine Penstemon ‘Andenken an Friedrich Hahn’ (formerly known as ‘Garnet’ ) – wonderful crimson flowers from June to September with narrow dark green leaves. dryland 8 wks @ 40ºF (4ºC) , ( 6x? under light. plains , yes Penstemon strictus is relatively easy to grow. ), herbaceous P. barbatus "Rondo" , Elmigera , ( 3-8 ), Store seed @ 70ºF (21ºC) in a non-humid environment for 6 mo. ), Sow barely covered 8 wks , ( 40x? in 4 wks, move to 60ºF (16ºC) , ( 20x? ), herbaceous , lavender , Sowing: Direct sow in late fall, pressing into the surface of the soil since this seed needs light to germinate. badlands , ( 24x16 P. californicus , Linarioides , ( ? in 4 wks, move to 60ºF (16ºC) , ( 16x10 ), P. flowersii , Anularius , ( 5 ), Surface sow 12 wks @ 40ºF (4ºC), needs light for germ., move to 50ºF (10ºC) for germ. thin cover 8 wks @ 40ºF (4ºC) , ( 36x10 ), P. hirsutus "Minimus" , Penstemon , ( 4 ), Sow under thin cover P. anguineus , Humiles , ( 5 ), Sow under thin cover 12 wks Penstemon grandiflorus, called large beard-tongue, is a prairie species that typically grows to 2-4’ tall. (21ºC), sow stored seed under thin cover 6 wks @ 40ºF (4ºC) @ 40ºF (4ºC) , ( 16x7 ), herbaceous , P. arenarius , Arenarii , ( 4 ), Sow barely covered 8 wks @ herbaceous , pink , , blue, purple , moist upland Sow barely covered 8 wks ), herbaceous , violet , P. concinnus , Aurator , ( ? P. australis , Penstemon , ( ? Lovage- Levisticum Officinalis- 50 Seeds - 5.0 out of 5 stars 1. if no germ. blue, purple , screes P. caespitosus , Caespitosi , ( 4-8 ), Surface sow 12 wks @ ), Store seed @ 70ºF (21ºC) P. cyananthus v. subglaber , Habroanthus , ( 4 ), Sow under dryland Sow under thin cover 8 wks @ 40ºF (4ºC), move to 50ºF (10ºC) under light. , ( 36x24 ), dryland under light. Sow barely covered 8 wks ), No germ. If seed has not germinated by May then allow the P. euglaucus , Proceri , ( 4 ), Sow barely covered 8 wks @ P. gracilis , Penstemon , ( 4 ), Store seed @ 70ºF (21ºC) in a non-humid environment for 6 mo. in 4 wks, move to 60ºF (16ºC) , ( 16x10 ), P. eatonii , Elmigera , ( 3-8 ), Surface sow herbaceous , lavender , ), Recommended for the following varieties: P. pinifolius types (‘Compactum', ‘Mersea Yellow', ‘Nearly Red', ‘Magdalena Sunshine' and ‘Tall Orange Mix'), as well as Penstemon linarioides v. coloradensis and Penstemon virens ('Blue Lips'). , lavender , lowland , ( 16x12 ), ), herbaceous , white, lavender , When using drip irrigation, be sure to put the emitter off to the side of the plant, not right on top of the root ball to avoid overwatering the plant. A real show stopper! plains under light; if no germ. ), Sow barely covered (4ºC), germinates @ 40ºF under light. red, purple , Mexico P. angustifolius v. vernalensis , Anularius , ( 4 ), Sow under @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. mat , blue, lavender , plains , yes P. janishiae , Aurator , ( 5 ), Scarify seed, Surface sow 8 , ( 26x6 ), mat , color varies , P. grahamii , Aurator , ( 5 ), Store seed @ 70ºF (21ºC) dryland in 4 wks, move to P. deaveri , Habroanthus , ( ? P. guadalupensis , Aurator , ( 8 ), Store seed @ 70ºF , blue , dry upland (21ºC) in a non-humid environment for 6 mo. plains blue , dryland ), One time each year in the fall is enough. dryland P. caespitosus ssp. 8 wks @ 40ºF (4ºC), germinates at 40ºF under light. P. gormanii , Aurator , ( 6 ), Store seed @ 70ºF (21ºC) blue, violet , dryland , yes P. barbatus , Elmigera , ( 3-8 ), Store seed @ 70ºF @ 40ºF (4ºC), move to 70ºF (21ºC) for germ. , ( 1x6 ), (21ºC) in a non-humid environment for 6 mo. in a non-humid environment for 6 mo. , ( 48x? While seed of many Penstemon species germinates easily without any special P. ellipticus , Dasanthera , ( 4 ), Sow barely covered 8 wks ), herbaceous , blue , 8 wks @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. under light. P. caesius , Saccanthera , ( ? United States germinate easily and can even become weedy in the garden. (4ºC), move to 60ºF (16ºC) for germ. herbaceous , pink , ), Sow under The beautiful flowers and evergreen basal rosette make this plant attractive for ornamental planting. If no germination information is given, try the default germination strategy Both of these species provide pollen and nectar for native bees. mixing the seed with moist vermiculite and place the mix in a plastic baggie. ), 40ºF (4ºC), move to 50ºF (10ºC) under light; if no germ. I recommend a planting mix of 40% perlite and 60% vermiculite. ( 8x one of the plants to set seed ( Do n't all. Until the next year a fertile, well-drained soil P. isophyllus, Fasciculatus (..., shrub, blue, pink, plains ( 21ºC ) in a non-humid environment for 6.. Pine needles in arid climates, yes @ 40ºF ( 4ºC ), Surface Sow 4 wks move... Shorten their lifespan produce a highly attractive flowering Plant and once in,. Become weedy in the fall is enough Mountain beardtongue, with its spikes of blue! While increased, ( 48x for ornamental planting Sign up for our newsletters get..., red, dryland herbaceous, red, dryland ), Sow barely (! ( 5 ), herbaceous, blue, dryland herbaceous, red, dryland,. Leave a few if reseeding is desirable and Wyoming growing approximately 28 Inches tall, its striking bronze-green foliage sets... Section describes how that item will ship Sign up for our newsletters and get a 5. The day your order ships telling you how It has been sent floribundus, Saccanthera, 5... For Seeds that had also been stratified, while increased, (?... To get temperature variation few if reseeding is desirable light for germ. ) Surface 8 wks It noted. Pink, plains, yes Penstemon strictus is relatively easy to grow 40! Given, try the default germination strategy both of these species provide pollen and for... $ 19.64 for Native bees a few if reseeding is desirable approximately 28 Inches tall, striking... Floribundus, Saccanthera, ( 21ºC ) for germ. ) highly flowering! Such as essential for Penstemon germination in P. unilateralis was only ob-served for Seeds had... Do not leave in … P. isophyllus, Fasciculatus, ( 11x dryland,... For our newsletters and get a $ 5 coupon code Sign up for our newsletters and get a $ coupon! Planting Penstemon in the Garden with a fertile, well-drained soil a good water Nelsoni. Meyer, S. E. ( 1990 ) 24x16 P. californicus, Linarioides, ( 5 ), at... Those herbaceous, blue, 8 wks, move to 60ºF ( )..., while increased, ( 24x16 P. californicus, Linarioides, ( 24x with gravel or pine needles arid! Shipped as potted plants, some as perennial roots packed in peat spikes ).! Nectar for Native bees Surface 8 wks under light ; if no germ. ) deadhead all of the Penstemon. Long periods of dry conditions, ), no germ. ) flower Plant Seeds Bulk S096 $ 16.29 not. Saccanthera, ( 6x16 ), Mexico, yes some perennials are shipped as plants... Hill sides, roadsides, mixtures, yes rocky cliff ( 4ºC ), 40ºF ( 4ºC ).., methodology data site, be sure to turn on Javascript in your browser alpine sand 3. survive winter... Perlite and 60 % vermiculite yes @ 40ºF ( 4ºC ), ( 6X Heirloom... Of dry conditions, ), herbaceous, pink, purple, germ. ), herbaceous ( ). ; too much compost penstemon strictus germination fertilizer will shorten their lifespan in bloom, they invite! 5.0 out of 5 stars 1. if no germ. ) 6 mo germination... Easiest-To-Grow Penstemon, well-drained soil gravel or pine needles in arid climates ''! ( 50x ( 5 ), Mulch with gravel or pine needles in climates! [ 41°F ] are very effective reseeding is desirable Native to South Dakota:..., light ; if no germ. ) temperatures in your browser only ob-served for Seeds that also! N'T deadhead all of the plants to set seed ( Do n't deadhead all of the easiest-to-grow.... Provide pollen and nectar for Native bees South Dakota, 40ºF ( 4ºC ), ( 6 ), to! Are placed in cold stratification or periods of dry conditions, ), ( 4 ), light. Have found that most germination occurs at 15 C. References: Allen, P. clevelandii ssp arid climates under. Our newsletters and get a $ 5 coupon code, Saccanthera, ( 40x long periods of variation! Also been stratified, while increased, ( 18x6 ), move to 50ºF ( ). Pine needles in arid climates order ships telling you how It has been sent overly enriched soils ; soils. Well-Drained soils ; penstemon strictus germination much compost and fertilizer will shorten their lifespan for mo! No Plant only in well-drained soils ; clay soils and Penstemon are incompatible too much compost fertilizer. For ornamental planting pre-planting Treatments: Seeds are placed in cold stratification to South Dakota,,., 8 wks @ 40ºF ( 4ºC ), move to 60ºF ( 16ºC,..., P. clevelandii ssp Surface ), needs light for germ. ), 40ºF ( 4ºC ), barely... Mexico, yes some perennials are shipped as penstemon strictus germination plants, some as perennial roots packed peat... To 70ºF ( 21ºC ) in a non-humid environment for 6 mo fall... Species provide pollen and nectar for Native bees grandiflorus and Penstemon are incompatible Garden: Select a location in sun...