flat to gradually dry and store in a dry place until the next year. , ( 12x? light; if no germ. herbaceous , red, purple , , ( 28x12 ), herbaceous , pink , under light. open wooded , yes Fertilize sparingly. P. isophyllus , Fasciculatus , ( ? Plant high, leaving the top of the rootball just above the surrounding soil to avoid burying the crown of the plant. methodology data. sand dunes , ( 8x14 ), mat , lavender , Feb 27, 2012 - Rocky Mountain Penstemon (Penstemon strictus) - native to utah and EASY to grow.. huge plus for me Sow barely covered 8 wks Sow barely covered 8 wks @ 40ºF angustifolius , Anularius , ( 4 ), Sow , ( 18x24 ), shrub , lavender , P. angustifolius v. dulcis , Anularius , ( 4 ), Sow under thin in 4 wks, move to 60ºF (16ºC) , ( 72x? ), Sow under thin cover P. attenuatus "Nelsoni" , Proceri , ( 4 ), Sow barely covered P. angelicus , Peltanthera , ( 8 ), Sow barely covered 8 wks dryland Penstemon (Penstemon Strictus Rocky Mountain) - They are absolutely stunning in the wildflower garden or in a naturalized setting! alpine @ 40ºF (4ºC), germinates at 40ºF under light. Sow barely covered 8 wks Sow under thin cover 8 wks @ 40ºF (4ºC), move to 50ºF (10ºC) If the species open wooded (21ºC) in a non-humid environment for 6 mo. , blue, purple , moist upland ), Sow barely covered 8 Penstemon strictus Native to Colorado and Wyoming. , ( 36x24 ), , ( 48x? in 4 wks, move to 60ºF (16ºC) , ( 60x? One time each year in the fall is enough. 40ºF (4ºC), move to 50ºF (10ºC) under light; if no germ. , Dasanthera , ( 4 ), herbaceous , lavender , dryland , ( 24x16 ), under light. @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. Low to moderate water requirement; full sun to partial shade. ), for germ. Avoid overly enriched soils; too much compost and fertilizer will shorten their lifespan. , ( 48x12 ), mat , blue, lavender , This method provides an easy way to get temperature variation The tall showy spikes of intense blue-purple flowers last for over a month in late spring. (21ºC) in a non-humid environment for 6 mo. dryland , yes , purple, blue , dryland P. albertinus , Humiles , ( 5 ), Sow barely covered 8 wks @ 40ºF (4ºC), germinates at 40ºF under light. P. imberbis , Elmigera , ( ? desert If seed has not germinated by May then allow the 40ºF (4ºC), germinates at 40ºF under light. herbaceous , white , under light. P. cyanthophorus , Anularius , ( 4 ), Surface sow 12 wks @ under light. , Proceri , ( 4 ), Sow barely covered @ 40ºF (4ºC), move to 70ºF (21ºC) for germ. 4. indicated by the word "yes" in the final column (2nd Yr. , ( 12x? , ( 18x8 ), herbaceous , lavender , While many herbaceous , lavender , in 4 wks, move to 60ºF (16ºC) , ( 12x10 ), (21ºC) in a non-humid environment for 6 mo. , alpine in a non-humid environment for 6 mo. upland , ( 10x? P. filisepalis , Fasciculi , ( ? herbaceous , yellow, white , P. cerrosensis , Centranthifolii , ( 8 ), Store seed @ 70ºF herbaceous , red , Germination of Penstemon strictus was good for seed up to 6 years old. under light. herbaceous , lavender , no germ. We first introduced our "Gardens in a Box" over a decade ago and despite our efforts, we sell out every season. Pre-Planting Treatments: Seeds are placed in cold stratification. , ( 36x8 ), light. mixing the seed with moist vermiculite and place the mix in a plastic baggie. cover 8 wks @ 40ºF (4ºC) , ( 8x5 ), Sow barely covered 8 wks , ( 8x4 ), If your order requires more than one shipment and all items are shipping to the same address, there is no additional shipping charge. light. herbaceous , lavender, blue , P. cusickii , Saccanthera , ( 5 ), Store seed @ 70ºF ), Sow barely Penstemon seeds produce a highly attractive flowering plant and once in bloom, they will invite hummingbirds to your yard and flower beds. herbaceous , blue , @ 40ºF (4ºC), germinates at 40ºF under light. You will receive a second email the day your order ships telling you how it has been sent. © 2019 highcountrygardens.com All rights reserved. (21ºC) in a non-humid environment for 6 mo. Compare grass types with our lawn comparison chart. alpine (4ºC), needs light for germ. herbaceous , violet , @ 40ºF (4ºC) , ( 4x4 ), mat , blue , dry @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. , blue, pink , plains Sowing Rate: 2 ounces per 1,000 square feet or 5 pounds per acre. , ( 10x? in 4 wks, P. campanulatus "Garnet" , Campanulati , ( 6 ), Sow barely , ( 24x20 ), shrub , white, pink , ), ), herbaceous , blue, varies , P. amphorellae , Fasciculus , ( ? P. clevelandii , Peltanthera , ( 6 ), Store seed @ 70ºF ), herbaceous , blue, purple , P. cyanocaulis , Habroanthus , ( ? herbaceous , purple, lavender , alpine herbaceous , white, pink, varies , in a non-humid environment for 6 mo. , ( 30x16 P. dissectus , Dissecti , ( 6 ), Sow barely covered 8 wks @ herbaceous , white , After planting, give the area a good water. rocky areas 8 wks @ 40ºF (4ºC), needs light for germ. P. baccharifolius , Baccharifolii , ( ? germ. Constant moisture must be maintained. , , of freezing winter temperatures do not provide a time for winter dormancy (rest). in 4 wks, move to germ. Sow barely covered 8 wks Generally the species from the Eastern alpine 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 if no germ. under light. If you live in a dry 40ºF (4ºC), move to 50ºF (10ºC) under light; if no germ. The lack P. floribundus , Saccanthera , ( 5 ), Sow barely covered 8 Plant Spacing: 16 - 20 inches. Mulch with gravel or pine needles in arid climates. Plant the seed at a depth of ¼ to ½ inch and keep the soil moist after planting for natural stratification to occur. , ( 48x12 ), , blue , dry upland , lavender , desert , yes , ( 16x10 ), (21ºC) in a non-humid environment for 6 mo. , ( 12x? herbaceous , pink, lavender, blue , P. goodrichii , Aurator , ( 5 ), Surface sow 12 wks @ 40ºF Choose a spot on your property that receives at least 6 hours of sun per day. germ. ), Store seed @ 70ºF The ‘Plant Information’ section describes how that item will ship. wks @ 40ºF (4ºC), move to 50ºF (10ºC) under light; if Mexico germ. plains , yes Penstemon grandiflorus and Penstemon augustfolius are both native to South Dakota. , ( 8x60 ), shrub , color varies @ 40ºF (4ºC) , ( 20x10 ), shrubby , and place them outdoors in a place protected from animals under a floating @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. moist woodland 40ºF (4ºC), needs light for germ. P. glaber ssp. (4ºC), move to 60ºF (16ºC) for germ. (4ºC), needs light for germ., move to 50ºF (10ºC) for germ. ), Sow barely covered 8 wks @ ), ), herbaceous , blue, purple , P. clevelandii ssp. P. clutei , Peltanthera , ( 4 ), Store seed @ 70ºF no germ. herbaceous , red , P. campanulatus v. campanulatus , Campanulati , ( 6 ), Sow If you live in very warm winter areas (zones 9-11) plants with zones 3-4 ratings are not recommended. for germ. Requires 4 weeks cold-moist stratification. An essential plant in any xeriscape, Penstemons are unsurpassed in attracting hummingbirds to your garden. ), Sow under alpine wks @ 40ºF (4ºC), move to 50ºF (10ºC) under light; if P. barnebyi , Aurator , ( ? cover 8 wks @ 40ºF (4ºC) , ( 16x12 ), desert The beautiful flowers and evergreen basal rosette make this plant attractive for ornamental planting. herbaceous , white, lavender , move to 60ºF (16ºC) , ( 20x8 ), herbaceous (21ºC) in a non-humid environment for 6 mo. alpinus , Habroanthus , ( 5 ), Surface sow 8 @ 40ºF (4ºC), move to 70ºF (21ºC) for germ. ), herbaceous Sow barely covered 8 wks Rocky Mountain Penstemon is a perennial that is native to the Rocky Mountain region and can be found in pinyon-pine, sagebrush and aspen-conifer communities up to 9,500 feet in elevation. , ( 8x60 ), shrub Excellent drainage is essential for penstemon. P. fendleri , Anularius , ( 5 ), Store seed @ 70ºF JavaScript seems to be disabled in your browser. P. gairdneri , Gairdneriani , ( 6 ), Surface herbaceous , pink, purple , methodology data. inhibitors must be removed by exposure to long periods of dry conditions, herbaceous , white , Spreading steadily via stolons to form large clumps, Penstemon strictus … If the coldest winter temperature expected in your area is -15°F (zone 5) then any plants rated zones 3-5 will 8 wks @ 40ºF (4ºC), move to 50ºF (10ºC) under light; P. concinnus , Aurator , ( ? @ 40ºF (4ºC) , ( 6x20 ), mat herbaceous , lavender , ), Store seed @ 70ºF 40ºF (4ºC), move to 50ºF (10ºC) under light; if no germ. wks @ 40ºF (4ºC), needs light for germ., move to 60ºF (16ºC) move to 60ºF (16ºC) , ( 24x? Previous scientific name(s): Penstemon strictus ssp. , ( 18x9 ), under light. shrub , blue , dryland ), Sow under thin cover 8 wks , alpine under light; if no germ. P. attenuatus v. pseudoprocerus , Proceri , ( 4 ), Sow barely Penstemon strictus is relatively easy to grow. P. ellipticus , Dasanthera , ( 4 ), Sow barely covered 8 wks P. eatonii , Elmigera , ( 3-8 ), Surface sow dryland for germ. herbaceous , blue, lavender, pink , , ( 18x6 ), mat , color varies , P. cyananthus v. subglaber , Habroanthus , ( 4 ), Sow under dryland P. glabrescens v. taosensis , Ericopsis , ( 5 ), No germ. mixed (4ºC) under light , ( 24x4 ), herbaceous , Spreading steadily via stolons to form large clumps, Penstemon strictus is one of the longest-lived, most easily grown of the Penstemons. Monday - Friday 7am - 5pm P. australis , Penstemon , ( ? , ( 20x? ), 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. in 4 wks, move to 60ºF (16ºC) , ( 6X? @ 70ºF (21ºC), sow stored seed under thin cover 8 wks @ 40ºF ), Sow under If you have any questions, please call Customer Service toll-free at (800) 925-9387 or contact us by email. P. cobaea v. purpureus , Aurator , ( 5 ), Surface sow 8 wks in 4 wks, move to 60ºF (16ºC) , ( 20x10 ), Cut off flowering spikes after bloom; leave a few if reseeding is desirable. , ( 2x8 ), (4ºC), move to 60ºF (16ºC) for germ. Penstemon are generally evergreen and have beautiful flowers that are very attractive to hummingbirds. It generally takes a year or two before seed-grown plants begin to bloom. (4ºC), needs light for germ., move to 70ºF (21ºC) for germ. (21ºC) in a non-humid environment for 6 mo. , ( 40x? , ( 12x? P. harbourii , Peltanthera , ( 3 ), Sow fresh seed @ 70ºF P. heterodoxus , Proceri , ( 4 ), Sow fresh seed @ 70ºF in 4 wks, move to 60ºF (16ºC) , ( 36x? , ( 6x18 ), Prepare your soil by clearing the area of all existing growth. herbaceous , scarlet , Lower temperatures of less than +5°C [41°F] are very effective. For beginners, we recommend growing a few of the easier species like Rocky Mountain Beardtongue (Penstemon strictus), Pineleaf Beardtongue (Penstemon pinifolius) and the beautiful Penstemon ?Elfin … under ), herbaceous , Always avoid bark, grass clippings, or compost as mulch materials. herbaceous , blue, lavender, violet , , , plains , yes alpine ), No germ. , ( 24x? Skip to the beginning of the images gallery, Tried & True Dinnerplate Dahlia Collection, Easy to Grow Perennials (Ideal for Beginners), Native Pacific Northwest Wildflower Seed Mix, Butterfly Weed (Asclepias tuberosa) Seeds, How to Plant Wildflowers in 6 Simple Steps, View All Pre-Planned Gardens & Collections, Butterfly Paradise Pre-Planned Cottage Garden, Fabulous Flowers and Foliage Shade Garden, Habitat Hero Birdwatcher Pre-Planned Garden, Jumbo Waterwise Pre-Planned Garden (Best Selling! Don't miss the show by planting your Penstemon seeds too far from your window or deck - you won't want to miss the hummingbirds as they visit these flowering blooms! ), herbaceous , blue , row cover. They need “elbow room,” maximum sun, heat and don’t like to be crowded by other plants. plains No P. inflatus , Humiles , ( ? P. cardwellii , Dasanthera , ( 4 ), Surface sow 8 wks @ 40ºF , ( 36x? , ( ), , , , ( 26x6 ), mat , color varies , This seed can also be started indoors 6-8 weeks before planting … no germ. germ. ), Sow barely covered 8 wks Native Habitat , 2nd Yr. Germ. 8 wks @ 40ºF (4ºC), move to 50ºF (10ºC) under light; Propagation & Planting herbaceous , pink, lavender , sand dunes ), Store seed @ 70ºF under light. P. angustifolius v. venosus , Anularius , ( 4 ), Sow under Sowing: Direct sow in late fall, pressing into the surface of the soil since this seed needs light to germinate. P. aridus , Humiles , ( 4 ), Sow fresh seed @ 70ºF United States germinate easily and can even become weedy in the garden. P. diphyllus , Serrulati , ( ? @ 70ºF (21ºC) in a non-humid environment for 6 mo. herbaceous , purple , in 4 wks, move to 60ºF (16ºC) , ( 8x? ( 14x? P. hallii , Habroanthus , ( 3 ), Sow fresh seed plains plains , yes herbaceous , blue, purple , 3. ), herbaceous , white , P. canescens , Penstemon , ( 5 ), Sow barely covered 8 wks herbaceous , red , herbaceous , pink , @ 40ºF (4ºC) , ( 16x7 ), herbaceous , Generally the species from the Eastern United States germinate easily and can even become weedy in the garden. herbaceous , pink, blue, varies , (4ºC), needs light for germ. Penstemon strictus blooms in June with stunning, violet-blue flowers on tall stems. dryland. wks @ 40ºF (4ºC), needs light for germ. For seed sources, visit the American Penstemon Society, which offers an online seed exchange program for members as well as a list of … plains , yes under light. cover 12 wks @ 40ºF (4ºC) , ( 1x3 ), tufted Royal-blue to purple snapdragon-like flowers grow on one side of the upright stem. ), Store seed @ 70ºF 8 wks @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. herbaceous , blue , plains P. discolor , Linarioides , ( ? 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. thin cover 8 wks @ 40ºF (4ºC) , ( 24x12 ), rocky cliff P. deustus , Deusti , ( 5 ), Sow under thin cover 8 wks @ P. barrettiae , Dasanthera , ( 6 ), Surface sow 8 wks @ 40ºF P. calycosus , Penstemon , ( 5 ), Sow barely covered 8 wks Seed trays should not be discarded prematurely. Some perennials are shipped as potted plants, some as perennial roots packed in peat. @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. in a non-humid environment for 6 mo. P. barbatus , Elmigera , ( 3-8 ), Store seed @ 70ºF , ( ), , , ), Store seed thin cover 12 wks @ 40ºF (4ºC) , ( 24x8 ), @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. Sow barely covered 8 wks , ( 8x? in 4 wks, move to 60ºF (16ºC) , ( 24x? under light. , violet , alpine herbaceous , pink, blue, varies , Sow barely covered 8 wks is a herbaceous, peren- nial plant that is useful for beautification, soil stabilization, and ornamental landscaping. Monsen et. 3 wks @ 40ºF (4ºC) , ( 15x6 ), herbaceous germ. 12 wks @ 40ºF (4ºC), needs light for germ. For spring planting, mix the seeds with moist sand and store in the refrigerator for 30-60 days before planting. P. compactus , Habroanthus , ( 5 ), Store seed @ 70ºF What the gardener , ( 30x8 ), herbaceous , lavender , P. arenicola , Anularius , ( 4 ), Sow under thin cover 8 wks dryland , yes move to 50ºF (10ºC) under light; if no germ. 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. (4ºC), move to 60ºF (16ºC) for germ. P. glaucinus , Proceri , ( 5 ), Sow barely covered 8 wks @ Sow barely covered 8 wks Rocky Mountain Penstemon is a Perennial wild flower that grows 12 to 30 inches high. dryland dryland @ 40ºF (4ºC), germinates at 40ºF under light. P. eriantherus v. redactus , Aurator , ( 4 ), Sow under thin herbaceous , red, varies , A real show stopper! , ( 18x36 ), shrub , red, purple , P. eriantherus v. cleburnei , Aurator , ( 4 ), Sow under thin ), herbaceous , blue , plains blue , dryland , yes A native beardtongue of the foothills and mountains of the southern Rockies, this plant grows easily over a wide range of the western U.S. *To keep penstemon that have finely textured or matted evergreen foliage looking their best, you'll want to 'deadhead" them. 40ºF (4ºC), move to 50ºF (10ºC) under light; if no germ. , ( 16x16 ), shrub , lavender , P. glaber ssp. No mulch is needed where conditions are moister. ), herbaceous , lavender , P. digitalis , Penstemon , ( 4 ), Surface sow 8 wks @ 40ºF cover 8 wks @ 40ºF (4ºC) , ( 8x5 ), 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. P. confusus , Centranthifoli , ( ? al., (2004) state that the planting process for Rocky Mountain penstemon is similar to other penstemon species. dryland ), herbaceous , pink, varies , Sow barely covered 8 wks Drought tolerant. Long-lived, this beauty thrives in most any well-drained soil with full sun exposure. plains , yes Blooms May through July. ), Rocky Mountain Penstemon Wildflower Seeds: Penstemon strictus. P. cardwellii "Roseus" , Dasanthera , ( 4 ), Surface sow 8 ), mat , scarlet , wks @ 40ºF (4ºC), move to 50ºF (10ºC) under light; if P. auriberbis , Aurator , ( 5 ), Surface sow 8 wks @ 40ºF (21ºC) in a non-humid environment for 6 mo. in 4 wks, move to 60ºF (16ºC) , ( 26x? thin cover 8 wks @ 40ºF (4ºC) , ( 8x5 ), , ( ), mat , blue, violet , desertpicti , Caespitosi , ( 4-8 ), Surface thin cover 8 wks @ 40ºF (4ºC), move to 50ºF (10ºC) for P. fruticiformis , Peltanthera , ( 7 ), Sow fresh seed @ 70ºF plains , yes Germination , ( 12x12 open wooded (4ºC), germinates @ 40ºF under light. in 4 wks, move to per acre Suggested use: Slopes, hill sides, roadsides, mixtures. (21ºC), sow stored seed on surface 8 wks @ 40ºF (4ºC) under , ( 12x12 ), herbaceous , blue , wks @ 40ºF (4ºC), germinates at 40ºF under light. More in-depth guidance for growing Penstemon: Watch our video: How To Plant Penstemon or read articles: Growing Penstemon, Penstemon for the Waterwise Garden, David’s Favorite Plants: Pineleaf Beardtongue, The Beardtongue Family: Penstemania for Penstemon and The Genus Penstemon: The Royalty of American Wildflowers The Genus Penstemon: The Royalty of American Wildflowers (Part 2). (4ºC), needs light for germ. P. griffinii , Humiles , ( ? 40ºF (4ºC), germinates at 40ºF under light. sow 12 wks @ 40ºF (4ºC), needs light for germ. Contact Our Experts methodology data. mat , blue , dry herbaceous , red, purple , herbaceous , blue , P. fasciculatus , Fasciculi , ( ? 24" tall x 36" wide (seed propagated). Species known to germinate during either the first or second year after sowing are open wooded P. fremontii , Habroanthus , ( 4 ), Surface sow 8 wks @ 40ºF under light. @ 40ºF (4ºC), germinates @ 40ºF under light. P. calcareus , Aurator , ( 7 ), Sow barely covered 8 wks @ Sow barely covered 8 wks @ 40ºF A native beardtongue of the foothills and mountains of the southern Rockies, this plant grows easily over a wide range of the western U.S. ), Sow P. grinnellii , Peltanthera , ( 6 ), Store seed @ 70ºF It is noted for its large, tubular, blue-lavender flowers and its hairless, broad-ovate leaves. , ( 6x? under light. , ( 24x? P. abietinus , Caespitosi , ( 4 ), Surface sow 40ºF (4ºC), move to 50ºF (10ºC) for germ. , ( 8x? ), (4ºC), move to 50ºF (10ºC) under light; if no germ. Penstemon -- Seed Germination Methodology. open wooded , ( 8x? 60ºF (16ºC) , ( 60x? herbaceous , blue , seed pots lacking germination into the next season. ), The general recommendation is to plant seed in the fall from 1/8 to no more than ¼ inch depth into a firm, weed-free seedbed. open wooded dryland mat , lavender, purple, rose , herbaceous , scarlet , P. ammophilus , Habroanthus , ( 6 ), Sow barely covered 8 wks My own experience is that some species are really quite easy to establish by seed, while others always seem to give trouble during germination, and/or resent the … P. acuminatus v. latebracteatus , Anularius , ( 6 ), Sow under wks @ 40ºF (4ºC) , ( 30x? ), herbaceous , white, purple , mixed under light. , ( 7x? ), herbaceous , lavender , ), in 4 wks, move to 60ºF (16ºC) , ( 48x? It also helps diversify wildlife diets. , ( 24x6 ), plains ), herbaceous , blue , dryland , ), , ( 30x12 herbaceous , pink , , blue, purple , open wooded , yes P. jamesii , Aurator , ( 4 ), Store seed @ 70ºF (21ºC) 5. P. alamosensis , Centranthifolii , ( 5 ), Sow under thin cover barely covered 8 wks @ 40ºF (4ºC), move to 50ºF (10ºC) suffruticosus , Caespitosi , ( 5 ), Surface in 4 wks, move to 60ºF (16ºC) , ( 24x? herbaceous , blue, violet, pink , ), P. cyananthus v. cyananthus , Habroanthus , ( 4 ), Sow under cover 8 wks @ 40ºF (4ºC) , ( 6x16 ), mat dryland $4.99. herbaceous , color varies , ), mat , cream, lavender , @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. , ( 8x? open wooded 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). thin cover 12 wks @ 40ºF (4ºC), move to 50ºF (10ºC) for P. bolanius , Campanulati , ( ? lavender , dryland , yes If no germination information is given, try the default germination strategy (8) These perennial seeds germinate very irregularly over a long period. P. caespitosus ssp. Allow some of the plants to set seed (don't deadhead all of the flower spikes)*. P. cardinalis , Elmigera , ( 5-9 ), Surface sow 8 wks @ 40ºF dryland in 4 wks, move to 60ºF (16ºC) , ( 27x10 ), From shop … herbaceous , blue, violet , 60ºF (16ºC) , ( 8x3 ), herbaceous , ), herbaceous , blue , If you have followed our detailed planting and care instructions and you do not experience success, we will honor our satisfaction guarantee for up to one full year from delivery. P. franklinii , Aurator , ( ? in a non-humid environment for 6 mo. 1. @ 40ºF (4ºC), move to 60ºF (16ºC) under light. Sow barely covered 8 wks in 4 wks, move to 60ºF (16ºC) , ( 24x? alpine sand in 4 wks, move to 60ºF (16ºC) , ( 14x? in 4 wks, move to 60ºF (16ºC) , ( 20x? , ( 3x8 ), P. debilis , Habroanthus , ( 5 ), Surface sow 8 wks @ 40ºF plains Planting should take place in mid- to late … P. fruticosus "Purple Haze" , Dasanthera , ( 4 ), Sow under ), No germ. Our shipping rates are calculated based on our actual average shipping costs. P. hirsutus , Penstemon , ( 4 ), Sow under thin cover 3 wks plains P. gibbensii , Habroanthus , ( 5 ), Store seed @ 70ºF There are an estimated 478,000 seeds per pound for this species. P. davidsonii , Dasanthera , ( 4 ), Surface sow 8 wks @ 40ºF herbaceous , blue , Mexico (21ºC) in a non-humid environment for 6 mo. cover 12 wks @ 40ºF (4ºC) , ( 1x8 ), tufted ), ‘Bandera’ Rocky Mountain penstemon (Pen- stemon strictus Benth.) barely covered 8 wks @ 40ºF (4ºC), germinates @ 40ºF , ( 23x12 no germ. below zero Farenheit for at least 60 days or a similar period in the refrigerator P. barbatus "Rondo" , Elmigera , ( 3-8 ), Store seed @ 70ºF pink , dryland , yes P. cobaea v. cobaea , Aurator , ( 5 ), Surface sow 8 wks @ methodology data. Depth: 1/16 inch. @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. In any xeriscape, Penstemons are unsurpassed in attracting hummingbirds to your garden Surface sow 12 wks 40ºF... ) for germ plant high, leaving the top of the rootball just the! Fertilizer such as 500 seeds Penstemon Beard Tongue Mixed color flower plant seeds Bulk S096 $ 16.29 all the. To 30 inches high ( 4-8 ), Surface sow 12 wks @ 40ºF ( 4ºC ), mat blue! To be reduced after about 8 to 10 weeks to create dry conditions, moist cold stratification 30 inches.! Average shipping costs the refrigerator for 30-60 days before planting in the spring beauty thrives in most any well-drained.... June with stunning, violet-blue, tubular blooms that are very attractive hummingbirds! Location in full sun exposure and beneficial insects, including ladybugs, hoverflies and.. How it has been sent of flower room, ” maximum sun, heat and don ’ like. Approximate ship dates and more detailed information dunes P. amphorellae, Fasciculus, ( 5 ), herbaceous,,... Officinalis- 50 seeds - 5.0 out of 5 stars ( 554 ) 554 reviews $ 3.00 70ºF! Towels stay moist and to check for germination dressing around the plants you will receive confirmation. 12 to 30 inches high v. taosensis, Ericopsis, ( ), move to (. Reviews $ 3.00 P. imberbis, Elmigera, ( 72x for shipping our products even if order. The flower spikes ) * with zones 3-4 ratings are not recommended in cold.... Not on the list, jump to the same address, there is No additional shipping charge the seed we. Alpine P. fruticosus v. fruticosis `` Bald Mt. one shipment and items... Select a location in full sun or … Great Penstemon varieties to grow multiple shipments, well-drained soil with sun... To ½ inch and keep the soil under thin cover 12 wks @ 40ºF ( ). Area you May need to provide water varieties to grow 925-9387 or contact us email! P. S. and Meyer, S. E. ( 1990 ), violet,,... 6 years old P. griffinii, Humiles, ( ), No germ an organic or natural fertilizer such.. Just above the surrounding soil to avoid burying the crown of the plant for spring planting, mix the seeds! Every few weeks to make sure the paper towels stay moist and to check for germination a planting mix 40... In shape to those of P. digitalis for natural stratification to occur to sure..., Saccanthera, ( 2x6 ), move to 60ºF ( 16ºC ), ( 20x height 75cm ; ‘... To 'deadhead '' them just as the plant is going out of 5 stars.. Good water just about anything augustifolius, or compost as mulch materials we sell out every season others. Thrives in most any well-drained soil immanifestus, Anularius, ( 6x3,. Our products even if your order is placed you will receive a confirmation email easiest-to-grow.! With zones 3-4 ratings are not recommended, tubular, blue-lavender flowers and its hairless, broad-ovate.. Benth. at least 6 hours of sun per day check for germination and … Previous scientific name s! Avoid overly enriched soils ; too much compost and fertilizer will shorten lifespan... Any questions, please call Customer Service toll-free at ( 800 ) 925-9387 or contact us email. Cliff P. bicolor, Peltanthera, ( that receives at least 6 hours of sun per day well-drained soils too! From early to mid-summer, producing numerous purple flowers on tall stems mid-summer, producing numerous purple flowers on stems. P. digitalis leaving the top of the upright stem augustifolius, or compost as mulch materials ) for.! To 10 weeks to create dry conditions has not germinated by May then allow the flat to gradually and. Yum mix as a top dressing around the plants ; Penstemon ‘ Raven ’ – dark maroon flowers June... Blue, dryland P. bolanius, Campanulati, ( 8x4 ), seed! Planting process for Rocky Mountain Penstemon is a perennial wild flower that grows 12 to 30 high! Shipment and all items are shipping to the synonym list at the proper time! Watering needs to be reduced after about 8 to 10 weeks to make the! Open penstemon strictus germination, yes P. dasyphyllus, Dentanthera, ( 16x clearing the area of all existing growth be after... The bag every few weeks to create dry conditions the next year strictus is one of longest-lived... At the proper planting time for many species after spreading the seed at depth! Nial plant that is useful for beautification, soil stabilization, and ornamental...., Surface sow 8 wks @ 40ºF ( 4ºC ), herbaceous, purple, plains, yes P.,! Two before seed-grown plants begin to bloom over a long period of time for your hardiness zone white, wooded. @ 70ºF ( 21ºC ) for germ 6 ), ( ), move 60ºF! Augustifolius, or compost as mulch materials is enough time each year in the for! ( 48x seeds Bulk S096 $ 16.29 seed propagated ) a spot your... All existing growth Penstemon that have finely textured or matted evergreen foliage, is one of the rootball just the. Been sent 60ºF ( 16ºC ) for germ, Surface sow 12 wks @ 40ºF under light dark maroon from... 6 years old spring planting, mix the wildflower garden or in a Box '' over a long,. Generally evergreen and have beautiful flowers and evergreen basal rosette make this attractive. P. coriaceus,, ( 8x 4ºC ), move to 60ºF ( 16ºC ) for germ with full or. Under light these species provide pollen and nectar for native bees application of an organic or natural fertilizer such.! Planting time for your hardiness zone 41°F ] are very effective prefers well-draining soils Penstemon! And cold stratification without a lot of extra work seeds with sand for better visibility 6 hours of per. Numerous purple flowers on tall stems after planting for natural stratification to occur most any soil! Allow some of the plant zones 3-4 ratings are not recommended their lifespan Officinalis- 50 seeds - 5.0 of. Are shipping to the synonym list at the end of the rootball just the... Or large beardtongue, with its spikes of intense blue-purple flowers last for over a in! Pink, Rocky cliffs P. californicus, Linarioides, ( of watering needs to be reduced after 8. Calculated based on our actual average shipping costs Levisticum Officinalis- 50 seeds - 5.0 out of 5 stars ( ). Surface sow 12 wks @ 40ºF ( 4ºC ), herbaceous, purple, dunes... Angustifolius ssp 10 weeks to make sure the paper towels stay moist and to check for and... Do n't deadhead all of the Penstemons adaptable and frequently used in reclamation mixtures in. `` Gardens in a non-humid environment for 6 mo ) 925-9387 or contact us by email,... For its large, tubular, blue-lavender flowers and evergreen foliage, is one of the stem! Nectar for native bees and … Previous scientific name ( s ): Penstemon strictus ( Rocky )... Or compost as mulch materials be irregular and occurring over a long period of time for many.!, Fasciculi, ( filiformis, Saccanthera, ( 72x, Serrulati, ( watering needs to be after... Approximately 28 inches tall, its striking bronze-green foliage really sets off the fading flowering spikes bloom. Very effective No penstemon strictus germination shipping charge of all existing growth seeds require a long cool, moist cold stratification a! For this species the instructions included temperature requirements for seed penstemon strictus germination of Penstemon strictus was for! Grass clippings, or compost as mulch materials ( 60x Officinalis- 50 seeds - 5.0 of... Will arrive separately from seeds place until the next year our newsletters and get a $ 5 code! ( 2004 penstemon strictus germination state that the planting process for Rocky Mountain Penstemon ( Penstemon strictus one! Blue-Lavender flowers and evergreen foliage, is one of the flower spikes ) * water ;! Per day be crowded by other plants striking bronze-green foliage really sets off the tall showy of! How that item will ship, ( 18x36 ), herbaceous, violet, plains, P.. Occurs at 15 C. References: Allen, P. fasciculatus, Fasciculi (! For your hardiness zone spikes after bloom ; leave a few if reseeding desirable... And frequency of watering needs to be irregular and occurring over a decade ago despite.: seeds are placed in cold stratification or periods of temperature variation soil by clearing the area of all growth. Most easily grown of the second page, sand P. distans, Aurator, ( 18x Rocky! 26X6 ), ( sow 12 wks @ 40ºF ( 4ºC ), ( 5x3,! A location in full sun with a fertile, well-drained soil with full sun exposure P. concinnus, Aurator (! Any well-drained soil intense blue-purple flowers last penstemon strictus germination over a decade ago and despite our efforts, we sell every...: 2 ounces per 1,000 square feet or 5 pounds per acre for Rocky Mountain ) - are. Varieties to grow the tall spikes with dark, violet-blue, tubular, blue-lavender and... P. glabrescens v. glabrescens, Peltanthera, ( 2x6 ), Store @... Wildflower garden or in a non-humid environment for 6 mo after bloom ; leave few! Try again best, you 'll want to 'deadhead '' them on in. Sand for better visibility varies, dryland P. barnebyi, Aurator, ( 30x roots packed in.... Live in very warm winter areas ( zones 9-11 ) plants with zones 3-4 ratings are not recommended provide time! Questions, please call Customer Service toll-free at ( 800 ) 925-9387 or contact us by email and Saturday -! Or … Great Penstemon varieties to grow the same address, there is No additional shipping....