WILDFLOWERS

Species Common Name Seeds/oz Life Span Height(in) Germination Tips
Abronia fragrans Snowball Sand Verbena 4,500 perennial 4-24 30-60 day cool moist stratification or plant outside fall to very early spring. Plant to 1/8 inch deep.
Achillea millefolium White Yarrow 168,750 perennial 10-24 No pretreatment. Plant outside fall, spring, or summer on soil surface or to 1/16 inch deep. Needs warm soil for germination.
Aconitum columbianum Monkshood 15,000 perennial 24-60 Plant outside late spring to early summer in moist or wet location or germinate in warm greenhouse (18-21C day 13C night). Plant to 1/8 inch deep. Keep moist.
Agastache urticifolia Horse Nettle 53,125 perennial 18-60 45 day cool moist stratification germination or plant outside in the fall on or just below soil surface. 24C day and 2C night temps to germinate without pretreatment. Gibberillic acid increases germination.
Allium acuminatum Taper-tip Onion 7,810 perennial 6-18 Some germintaion without pretreatment or 30 day cool moist stratification or plant outside fall to early spring 1/16-1/8 inch deep.
Allium cernuum Pink Nodding Onion 7,560 perennial 4-12 some germintaion with no pretreatment or 30-150 day cool moist stratification or plant outside fall to early spring. plant to 1/16-1/8 inch deep
Allium textile White Wild Onion 7,500 perennial 4-12 no pretreatment some germ or 60 day cool moist stratification for better germ or plant outside fall to early spring. plant on soil surface or to 1/16 inch
Amorpha canescens Leadplant 30,920 perennial 12-40 hot water soak for 6-8 hrs, then 30 day cool moist stratification or plant outside in the fall. or scarify and plant outside in the later spring. plant to 1/8 inch deep
Anaphalis margaritacea Pearly Everlasting 70,930 perennial 6-18 no pretreatment. plant outside spring or summer. plant on soil surface or to 1/32 inch deep.
Anemone multifida Windflower 37,455 perennial 4-12 0-30 day cool moist stratification or 24 hr running water soak followed by 120 day cold moist strat or plant outside early spring. plant on soil surface. may take up to 21 days to germinate.
Antennaria parvifolia Pussytoes 70,930 perennial 0.5-6 no pretreatment. plant outside spring or summer. plant on soil surface and press into the soil.
Aquilegia coerulea Colorado Columbine , perennial 12-48 21-45 day cold moist stratification, some germination without pretreatment or plant outside fall to early spring. plant to 1/8 inch deep
Argemone polyanthemos Prickly Poppy 4,994 annual 18-36 plant outside in the fall. plant on soil surface and cover with 1/4 inch of sand.
Artemisia frigida Fringed Sage 281,475 perennial 2-18 no pretreatment. plant outside fall or spring. plant on soil surface and firmly press into soil.
Artemisia ludoviciana Prairie Sage 278,000 perennial 8-18 no pretreatment necessary. plant outside spring or summer. plant on soil surface and press firmly into soil.
Asclepias asperula Antelope Horns 3,750 perennial 4-12 No pretreatment. Plant outside fall to spring. plant to 1/8 inch deep
Asclepias hallii Halls Milkweed 3,560 perennial 24-36 No pretreatment. Plant outside spring or summer. Plant to 1/8 inch deep
Asclepias incarnata Swamp Milkweed 4,256 perennial 28-48 No pretreatment. Plant outside spring or summer. plant on soil surface or to 1/8 inch deep. Germination may be improved by a 2 week cool moist stratification by placing moistened seed in the refrigerator for two weeks
Asclepias speciosa Showy Milkweed 3,625 perennial 24-36 No pretreatment. Plant outside spring or summer. plant to 1/4 inch deep. Germination may be improved by a 2 week cool moist stratification by placing moistened seed in the refrigerator for two weeks
Asclepias tuberosa Butterfly Milkweed 6,400 perennial 12-30 no pretreatment. plant outside spring or summer. plant on soil surface or to 1/8 inch deep
Aster engelmannii Engelmanns Aster 8,810 perennial 20-60 Plant outside fall or spring. plant to 1/32 inch deep
Aster glaucodes Blueleaf Aster 31,250 perennial 6-24 no pretreatment necessary. plant outside after last frost plant to 1/8 inch deep.
Aster laevis Smooth Aster 63,375 perennial 12-36 No pretreatment, but germination can be improved by 30 day cold moist stratification. plant outside spring or summer. plant to 1/8 inch deep
Aster novae-angliae New England Aster 75,000 perennial 18-48 no pretreatment necessary. plant outside spring or summer. plant on soil surface or to 1/16 inch deep
Astragalus adsurgens Upright Milkvetch 4,375 perennial 6-18 Scarify or 30-60 day cool moist or plant outside in the fall. plant to 1/16 inch deep
Astragalus bisulcatus Two-grove Milkvetch 25,000 perennial 6-18 scarify or hot water soak or plant outside in the fall. plant to 1/16 inch deep
Astragalus ceramicus Painted Milkvetch 25000 perennial 4-10 Scarify or hot water soak or plant outside in the fall. plant on soil surface and cover with a thin layer of sand
Astragalus convallarius Whisk Broom Milkvetch 5,000 perennial 6-24 Scarify with sandpaper and plant outside in fall or winter
Astragalus drummondii Woolly Milkvetch 13,750 perennial 12-32 Scarify or 30-60 day cool moist or plant outside in the fall. plant to 1/16 inch deep
Astragalus shortianus Shorts Milkvetch 15,625 perennial 0.5-4 Scarify or hot water soak or 30-60 day cool moist stratification or plant outside in the fall. plant on soil surface and cover with a thin layer of sand
Astragalus utahensis Utah Milkvetch 9,375 perennial 1-5 30-90 day cool moist stratification or plant outside fall to late winter. Plant to 1/8 inch deep
Bahia dissecta Mountain Bahia 56,250 annual 12-36 no pretreatment. plant outside spring or summer. plant to 1/8 inch deep.
Balsamorhiza sagittata Arrowleaf Balsamroot 3,430 perennial 12-24 45 day cool moist stratification or plant outside in the fall to early spring. plant on soil surface or to 1/8 inch deep
Berlandiera lyrata Chocolate Flower 8,220 perennial 18-48 no pretreatment necessary. plant outside spring or summer. plant on soil surface or to 1/8 inch deep
Callirhoe involucrata Purple Poppy Mallow 6,810 perennial 4-24 sandpaper scarify, followed by 30-60 day cool moist stratification or plant outside in the fall and expect slow germination. plant to 1/16 inch deep
Calochortus gunnisonii Mariposa Lilly 10,385 perennial 6-12 45 day cold moist stratification or plant outside fall to early spring. plant to 1/8 inch deep
Calylophus lavandulifolius Lavander Leaf Primrose 50,000 perennial 2-6 no pretreatment. plant outside fall or spring. plant 1/8 to 1/4 inch deep.
Campanula parryi Parrys Harebells 281,250 perennial 4-6 no pretreatment. plant outside spring or summer. plant on soil surface
Campanula rotundifolia Harebells 312,500 perennial 4-12 no pretreatment. plant outside spring or summer. plant on soil surface
Castilleja chromosa Showy Paintbrush 250,000 perennial 4-16 Cool moist stratification for up to 90 days or plant outside in the fall
Castilleja flava Yellow Paintbrush 250,000 perennial 6-18 60-90 day cool moist stratification or plant outside in the fall. Often takes two years to germinate. plant on soil surface or to 1/16 inch deep
Castilleja integra Indian Paintbrush 272,960 perennial 2-12 30 day cool moist stratification or plant outisde fall to early spring. plant 1/32 to 1/16 inch deep. Host plants not necessary for first year, but may be needed for long term survival. Takes up to 4 weeks to germinate.
Castilleja linariifolia Narrow Leaf Paintbrush 255,375 perennial 6-18 30-60 day cool moist stratification or plant outside in the fall. plant on soil surface or to 1/16 inch deep
Castilleja miniata Aspen Paintbrush 281,250 perennial 10-24 60-90 day cool moist stratification or plant outside in the fall. Often takes two years to germinate. plant on soil surface or to 1/16 inch deep
Castilleja rhexifolia Split Leaf Paintbrush 255,375 perennial 6-18 30-60 day cool moist strat. or plant outside in the fall in moist soil. plant on soil surface and cover with a thin layer of sand
Castilleja sulphurea Sulfur Paintbrush 255,375 perennial 4-12 30-60 day cool moist stratification or plant outside fall to late winter. plant on soil surface and cover with thin layer of soil or sand.
Chrysopsis villosa Silky Golden Aster 21,000 perennial 4-12 no pretreatment. plant outside spring or summer. plant on soil surface or to 1/32 inch
Clematis columbiana Virgins Bower 6,250 perennial 4-8 no pretreatment. plant outside spring or summer. plant on soil surface
Clematis hirsutissima Sugarbowls 4,560 perennial 6-16 no pretreatment or up to 60 days cool moist stratification or plant outside fall to early spring. plant to 1/4 inch deep.
Clementsia rhodantha Queens Crown 70,930 perennial 6-12 no pretreatment plant outside spring or summer, plant on soil surface in moist or wet soil
Cleome lutea Golden Beeplant 7,370 annual 12-24 Dormant seed 30-60 day cool moist stratification or plant outside in the fall. Plant to 1/4 inch deep.
Cleome serrulata Rocky Mountain Bee Plant 7,090 annual 24-48 30-60 day cool moist stratification or plant outside fall to early spring. plant to 1/4 inch deep
Coreopsis tinctoria Plains Coreopsis 87,500 annual 12-36 No pretreatment necessary. plant outside spring or summer. plant on soil surface or to 1/16 inch deep
Dalea candida White Prairie Clover 23,375 perennial 6-32 No pre-treatment needed. Plant outside spring or summer or in pots indoors. plant to 1/16 to 1/8 inch deep
Dalea cylindriceps Rabbitfoot Dalea 21,875 perennial 12-24 30 day cool moist stratification or plant outside in the fall. plant to 1/8 inch deep
Dalea purpurea Purple Prairie Clover 18,310 perennial 6-20 No pre-treatment needed. Plant outside spring or summer or in pots indoors. plant to 1/16 to 1/8 inch deep
Delphinium occidentale Western Larkspur 31,250 perennial 20-48 no pretreatment or up to 30 day cool moist stratification or plant outside in early spring. plant 1/8 to 1/16 inch deep
Delphinium ramosum Showy Larkspur 34,900 perennial 20-40 No pre-treatment needed. Plant outside spring or summer or in pots indoors. plant to 1/16 to 1/8 inch deep
Delphinium virescens Prairie Larkspur 34,900 perennial 20-48 No pre-treatment needed. Plant outside spring or summer or in pots indoors. plant to 1/16 to 1/8 inch deep
Draba reptans Prairie Draba 62,500 annual 1-4 30-60 day cool moist stratification or plant outside in the fall. Plant to 1/16 in deep or sow on soil surface and press into soil.
Echinacea angustifolia Black Samson 5,100 perennial 12-24 30-60 day cool moist stratification or plant outside in the fall. plant to 1/8 inch deep
Engelmannia peristenia Engelmanns Daisy 13,620 perennial 10-20 no pretreatment necessary. plant outside spring or summer. plant on soil surface or to 1/8 inch deep.
Epilobium angustifolium Fireweed 500,000 perennial 24-48 30 day cool moist stratification, but not always necessary, or plant outside fall to early spring. plant on soil surface and cover with very thin layer of sand or soil.
Erigeron elatior Tall Fleabane Daisy 62,500 perennial 12-30 no pretreatment. plant outside spring or summer. plant to 1/8 inch deep
Erigeron speciosus Showy Fleabane Daisy 70,930 perennial 12-18 no pretreatment. plant outside spring or summer. plant to 1/8 inch deep
Eriogonum jamesii v. jamesii James Wild Buckwheat 25,000 perennial 6-12 no pretreatment necessary, but 60 day cold moist stratification will break all dormancy. plant outside spring or summer. plant to 1/8 inch deep
Eriogonum racemosum Racemose Wild Buckwheat 24,430 perennial 6-12 60 day cold moist stratification or plant outside fall to late winter. plant to 1/8 inch deep
Eriogonum subalpinum White Sulfur Flower 21,875 perennial 6-24 60-120 day cold moist stratification or plant outside fall to late winter. plant to 1/8 inch deep
Eriogonum umbellatum Sulfur Flower 43,750 perennial 6-18 30-120 day cool moist stratification or plant outside fall to early spring. plant to 1/8 inch deep.
Erysimum capitatum Wallflower 67,844 annual 16-40 21-30 day cool moist stratification or plant outside late fall or early spring. plant on soil surface or to 1/16 inch deep
Erythronium grandiflorum Dogtooth Violet 1,810 perennial 6-12 60-120 day cool moist stratification or plant outside in the fall. Plant to 1/4 in deep
Frasera speciosa Monument Plant 31,250 biennial 24-48 90-120 day cold moist stratification or plant outside in the fall. plant on soil surface or to 1/16 inch deep
Gaillardia aristata Perennial Blanketflower 8,250 perennial 12-24 no pretreatment. plant outside spring or summer. plant 1/8 to 1/4 inch deep
Gaillardia pinnatifida Adobe Blanketflower 8,510 perennial 12-24 no pretreatment necessary, plant outside spring or summer. plant on soil surface or to 1/8 inch deep
Gaillardia pulchella Indian Blanketflower 13,750 annual 4-24 no pretreatment, plant outside spring or summer. plant on soil surface or to 1/8 inch deep
Gentiana affinis Meadow Gentian 125,000 perennial 6-18 30 day cool moist stratification or plant outside fall or early spring. plant to 1/32 inch deep.
Gentiana algida Snow Gentian 131,250 perennial 4-12 30 day cool moist stratification or plant outside fall or early spring. plant to 1/32 inch deep.
Gentiana parryi Mountain Gentian 241,187 perennial 8-18 30 day cool moist stratification or plant outside fall or early spring. plant to 1/32 inch deep.
Geranium viscosissimum Sticky Geranium 4,110 perennial 8-24 scarify and plant outside spring or summer. plant on soil surface or to 1/8 in deep
Geum macrophyllum Large-leaved Avens 18,750 perennial 12-30 no pretreatment necessary. plant outside spring or summer. plant 1/16 inch deep
Geum triflorum Prairie Smoke 18,750 perennial 12-30 no pretreatment surface plant, 30 day cool moist may improve germination
Glycyrhiza lepidota Wild Licorice 3,625 perennial 12-48 Scarify or 30-60 day cool moist or plant outside in the fall. plant to 1/16 inch deep
Hedysarum boreale Utah Sweetvetch 2,680 perennial 8-24 scarify and 30-60 day cool moist stratification or plant outside in the fall without pretreatment. plant 1/8 to 1/4 inch deep
Helenium autumnale Sneezeweed 12,760 perennial 12-40 14-30 day cool moist strat. Plant outside fall to early spring. Plant to 1/8 inch deep
Helenium hoopesii Orange Mountain Daisy 11,350 perennial 12-40 no pretreatment necessary. plant outside fall to spring. plant to 1/4 inch deep
Helianthella parryi Little Sunflower 8,125 perennial 8-20 no pretreatment necessary plant outside spring or summer plant to 1/4 inch deep.
Helianthella quinquenervis Aspen Sunflower 6,520 perennial 20-64 no pretreatment necessary. plant outside spring or summer plant to 1/4 inch deep.
Helianthella uniflora Sagebrush Sunflower 7,810 perennial 15-48 no pretreatment necessary. plant outside spring or summer. plant on soil surface or to 1/8 inch deep
Helianthus annuus Annual Sunflower 7,180 annual 24-100 no pretreatment necessary plant outside fall to early summer. Plant to 1/4 inch deep. Best germination if soil is above 45 F.
Helianthus nuttallii Marsh Sunflower 13,560 perennial 24-60 45 day cool moist stratification or plant outside in the fall. plant to 1/4 inch deep.
Helianthus petiolaris Plains Sunflower 7,500 annual 12-30 no pretreatment necessary or 30-90 day cool moist stratification or plant outside in the fall. plant to 1/4 inch deep
Helianthus pumilus Foothills Sunflower 12,500 perennial 18-32 30-60 day cool moist stratification. or plant outside in the fall. plant on soil surface and cover with a thin layer of sand
Heracleum maximum Cow Parsnip 4,810 perennial 24-60 3 day water soak then 60-120 days cool moist stratification, or plant outside in the fall. plant to 1/4 inch deep. Very dormant seed, may take up to 3 years to germinate.
Hymenopappus newberryi Newberrys Plainsman 14,300 perennial 10-18 Plant outside in the fall cover with coarse sand
Hymenoxys acaulis Goldflower 16,250 perennial 2-6 no pretreatment necessary. plant outside spring or summer. plant on soil surface or to 1/16 in deep
Hymenoxys grandiflora Old Man of the Mountain 19,860 perennial 2-12 no pretreatment. plant outside spring or summer. plant on soil surface or to 1/16 inch deep
Iliamna rivularis Wild Hollyhock 50,000 perennial 24-48 Scarify and plant outside in the fall to late winter. plant to 1/8 inch deep.
Ipomoea leptophylla Bush Morning Glory 368 perennial 12-48 30-60 day cool moist stratification or plant outside fall or winter. Plant to 1/4 inch deep
Ipomopsis aggregata Scarlet Gilia 21,250 biennial 20-36 45-90 day cold moist stratification or plant outside fall to early spring. plant to 1/8 inch deep
Iris missouriensis Rocky Mountain Iris 1,310 perennial 12-24 120-180 days cool moist stratification or plant outside in the fall in moist soil for delayed germination. plant to 1/4 inch deep.
Liatris punctata Dotted Gayfeather 10,500 perennial 4-32 no pretreatment. Plant outside spring or summer. plant on soil surface. Do not cover, needs light to germinate
Linum lewisii Maple Grove Blue Flax 18,430 perennial 12-36 no pretreatment necessary plant outside fall spring or summer. plant to 1/4 inch deep
Linum perenne v. lewisii Blue Flax APPAR 18,428 perennial 12-36 No pretreatment necessary. plant outside fall or spring. plant 1/8 to 1/4 inch deep
Lupinus alpestris Mountain Lupine 1,560 perennial 12-36 30-45 day cool moist stratification or plant outside fall to early spring. plant to 1/8 inch deep
Lupinus argenteus Silver Lupine 1,610 perennial 12-36 45 day cool moist or hot water soak (place seed in boiling water for 1 minute, then remove)or scarify with sandpaper or plant outside in fall. plant to 1/4 inch deep
Lupinus plattensis Platte Lupine 1,375 perennial 12-36 45 day cool moist or hot water soak (bring water to nearly boiling and then pour over seeds and let soak for 12-24 hrs) or scarify with sandpaper or plant outside in fall. plant to 1/4 inch
Lupinus pusillus Ant Money 1,625 annual 6-12 45 day cool moist or hot water soak or sandpaper scarify or plant outside in the fall. plant up to 1/8 inch deep
Machaeranthera bigelovii Bigelows aster 34,050 annual 8-40 No pretreatment necessary. plant outside spring or summer. plant on soil surface or to 1/8 inch deep
Machaeranthera tanacetifolia Tansy Aster 31,000 annual 4-20 no pretreatment. plant outside spring or summer. plant to 1/8 inch deep
Marsilea vestita Buffalo Waterclover 125,000 perennial 0-2 Plant outside in the fall in moist soil.
Melampodium leucanthum Black Footed Daisy 13,620 perennial 6-12 no pretreatment. plant outside spring or summer. plant on soil surface or to 1/16 inch. May take 3-4 weeks to germinate
Menodora scabra Broom Menodora 6,350 perennial 4-12 Plant outside in the fall cover with coarse sand
Mentzelia decapetala Ten Petaled Blazingstar 19,010 perennial 24-40 30 day cool moist stratification or plant outside fall to spring. plant on soil surface or to 1/16 inch deep.
Mimulus guttatus Yellow Monkey Flower 275,000 perennial 10-24 no pretreatment. plant outside spring or summer. plant on soil surface. keep wet.
Mirabilis multiflora Wild Four O Clock 766 perennial 12-36 no pretreatment. plant outside fall or spring. plant 1/8 to 1/4 inch deep. May take 2-3 weeks to germinate.
Monarda fistulosa Wild Bergamot 87,500 perennial 12-40 germinates readily, plant outside late spring to early summer. plant on soil surface or to 1/16 -1/8 inch deep
Monarda pectinata Beebalm 81,250 annual 6-18 45 day cool moist stratification or plant outside in the fall. plant on soil surface and cover with a thin layer of sand or mulch.
Oenothera caespitosa Stemless Evening Primrose 10,896 perennial 2-4 30-60 day cool moist stratification (variable temperatures are best between 28 and 38 deg F) or plant outside fall to early winter. plant 1/8 to 1/4 inch deep
Oenothera villosa Prairie Primrose 90,625 biennial 24-48 no pretreatment, plant outside fall to spring. plant to 1/16 inch deep. Takes 3-4 weeks to germinate
Opuntia polyacantha Prickly Pear 2,030 perennial 4-8 Plant outside in the fall cover with coarse sand
Orthocarpus luteus Yellow Owls Clover 127,687 annual 4-12 dormant seed, 30-60 day cool moist stratification or plant outside fall to early spring. plant on soil surface
Oxytropis lambertii Showy Locoweed 8,370 perennial 8-16 scarify and plant outside spring or summer. plant on soil surface or to 1/8 in deep
Oxytropis sericea Silky Locoweed 8,060 perennial 8-16 scarify and plant outside spring or summer. plant on soil surface or to 1/8 in deep
Pedicularis crenulata Purple Lousewort 76,600 perennial 6-12 No pretreatment or 30 day cool moist stratification. Plant outside spring or summer. plant on or just below soil surface
Pedicularis groenlandica Elephant Head 34,375 perennial 6-20 14-30 days cold moist stratification, or plant outside fall to early spring. plant to 1/16 inch deep, cover with a thin layer of mulch and keep moist.
Penstemon angustifolius Pagoda Penstemon 19,560 perennial 8-18 30 days moist stratification at 34-41 deg F or plant outside in the fall. plant on soil surface and cover with a thin layer of sand
Penstemon auriberbis Golden Beardtongue 37,500 perennial 4-12 30 days moist stratification at 34-41 deg F or plant outside in the fall. plant on soil surface and cover with a thin layer of sand
Penstemon barbatus Scarlet Bugler 45,400 perennial 16-52 30-60 days moist stratification at 34-41 deg F or plant outside in the fall and water once a month if no snow. plant on soil surface and cover with a thin layer of sand
Penstemon comarrhenus Canyon Beardtongue 62,425 perennial 16-40 30-60 days moist stratification at 34-41 deg F or plant outside in the fall and water once a month if no snow. plant on soil surface and cover with a thin layer of sand
Penstemon crandallii Mat Penstemon 81,250 perennial 1-6 30 days moist stratification at 34-41 deg F or plant outside in the fall. plant on soil surface and cover with a thin layer of sand
Penstemon cyananthus Wasatch Penstemon 34,375 perennial 8-32 30-60 days moist stratification at 34-41 deg F or plant outside in the fall and water once a month if no snow. plant on soil surface and cover with a thin layer of sand
Penstemon cyaneus Blue Penstemon 31,250 perennial 10-18 30-60 days moist stratification at 34-41 deg F or plant outside in the fall to late winter and water once a month if no snow. plant on soil surface and cover with a thin layer of sand
Penstemon eatonii Firecracker Penstemon 37,500 perennial 16-40 30-60 days moist stratification at 34-41 deg F or plant outside in the fall to late winter and water once a month if no snow. plant on soil surface and cover with a thin layer of sand
Penstemon glaber v. alpinus Sawsepal Penstemon 34,050 perennial 20-36 30-60 days moist stratification at 34-41 deg F or plant outside in the fall. plant on soil surface and cover with a thin layer of sand
Penstemon grandiflorus Shell Leaf Penstemon 28,125 perennial 24-36 30-60 days moist stratification at 34-41 deg F or plant outside in the fall. plant on soil surface and cover with a thin layer of sand
Penstemon griffinii Griffins Penstemon 90,800 perennial 6-18 30-60 days moist stratification at 34-41 deg F or plant outside in the fall and water once a month if no snow. plant on soil surface and cover with a thin layer of sand
Penstemon nitidus Waxleaf Penstemon 31,250 perennial 8-12 30-60 days moist stratification at 34-41 deg F or plant outside in the fall to late winter and water once a month if no snow. plant on soil surface and cover with a thin layer of sand
Penstemon pachyphyllus Utah Bluebells 51,075 perennial 12-26 30 days cold moist stratification or plant outside fall to late winter. plant on soil surface and cover with a thin layer of sand
Penstemon palmeri Palmers Penstemon 61,000 perennial 20-56 30-45 day cool moist stratification or plant outside fall to late winter. plant on soil surface and cover with a thin layer of sand
Penstemon rydbergii Rydbergs Penstemon 90,800 perennial 6-20 30-60 days moist stratification at 34-41 deg F or plant outside in the fall and water once a month if no snow. plant on soil surface and cover with a thin layer of sand
Penstemon secundiflorus Orchid Beardtongue 31,250 perennial 6-20 30-60 days moist stratification at 34-41 deg F or plant outside in the fall and water once a month if no snow. plant on soil surface and cover with a thin layer of sand
Penstemon strictus Rocky Mountain Penstemon 43,250 perennial 8-30 14-45 day cool moist stratification or plant outside fall to early spring. plant on soil surface and cover with a thin layer of sand. May take 3 weeks to germinate
Penstemon venustus Blue Mountain Penstemon 31,250 perennial 18-36 30-60 days moist stratification at 34-41 deg F or plant outside in the fall and water once a month if no snow. plant on soil surface and cover with a thin layer of sand
Penstemon virens Blue Mist Penstemon 82,287 perennial 6-12 30-60 days moist stratification at 34-41 deg F or plant outside in the fall and water once a month if no snow. plant on soil surface and cover with a thin layer of sand
Penstemon virgatus Wand Beardtongue 31,250 perennial 8-24 30-60 days moist stratification at 34-41 deg F or plant outside in the fall and water once a month if no snow. plant on soil surface and cover with a thin layer of sand
Penstemon watsonii Watson Bearstongue 56,250 perennial 8-16 30-60 days moist stratification at 34-41 deg F or plant outside in the fall and water once a month if no snow. plant on soil surface and cover with a thin layer of sand
Penstemon whippleanus Dusky Beardtongue 90,800 perennial 6-24 45 days moist stratification at 34-41 deg F or plant outside in the fall. plant on soil surface and cover with a thin layer of sand
Phacelia heterophylla White Scorpionplant 43,750 perennial 8-24 30 day cool moist stratification or plant outside in the fall. plant to 1/8 inch deep
Phacelia sericea Silky Phacelia 56,250 perennial 4-12 no pretreatment plant outside spring or summer. plant on soil surface or to 1/16 inch deep
Pulsatilla patens Pasque Flower 13,750 perennial 4-12 Plant outside fall to early spring.
Ratibida columnifera Prairie Coneflower 48,750 perennial 12-24 no pretreatment necessary. plant outside spring or summer plant to 1/16 -1/8 inch deep
Ratibida columnifera pulchra Mexican Hat 74,995 perennial 12-24 no pretreatment. plant outside spring or summer. plant to 1/16-1/8 inch deep. 7-14 days to germination
Rudbeckia ampla Goldenglow Daisy 15,000 perennial 20-72 no pretreatment or 45 days cool moist stratification or plant outside fall to early spring. plant to 1/8 inch deep
Rudbeckia hirta Black-eyed Susan 98,400 perennial 12-40 no pretreatment. plant outside spring or summer. plant to 1/16 inch deep
Rudbeckia occidentalis Western Coneflower 21,560 perennial 40-80 no pretreatment or 30 day cool moist stratification may increase germination or plant outside fall to early spring. plant to 1/16 inch deep
Sedum lanceolatum Stonecrop 171,875 perennial 1-4 no pretreatment. plant outside spring or summer. plant on soil surface and cover with thin layer of grit
Senecio atratus Golden Butterwort 87,960 perennial 8-32 no pretreatment 30 day cool moist may increase germination. plant outside fall or spring. plant on soil surface or to 1/16 inch
Senecio longilobus Silver Groundsel 46,875 perennial 12-24 no pretreatment, 30 day cool moist may increase germination. Plant outside in the spring. plant to 1/32 to 1/16 inch deep.
Senecio serra Aspen Groundsel 75,000 perennial 24-48 no pretreatment 30 day cool moist may increase germination
Senecio triangularis Arrowhead Groundsel 82,280 perennial 20-60 no pretreatment, 30 day cool moist may improve germination or plant outside fall to early spring. plant on soil surface or to 1/16 inch deep
Sidalcea candida White Checkermallow 9,330 perennial 16-36 Scarify then 30-90 day cool moist stratification or plant outside in the fall. plant to 1/16 inch deep
Sidalcea neomexicana Pink Checkermallow 9,750 perennial 8-36 Scarify then 30-90 day cool moist stratification or plant outside in the fall. plant to 1/8 inch deep.
Sphaeralcea angustifolia Narrow-leaf Globemallow 56,250 perennial 24-48 sandpaper scarify and plant outside in spring or inside of sandy soil mix.
Sphaeralcea coccinea Scarlet Globemallow 31,250 perennial 4-12 sandpaper scarify followed by 60-90 day cool moist stratification or plant outside in the fall. plant to 1/8 inch deep. May take serveral years to germiante.
Sphaeralcea grossulariifolia Gooseberry Globemallow 46,875 perennial 12-36 scarify and plant outside fall to late winter. Plant to 1/8 inch deep
Stanleya pinnata Princes Plume 11,930 perennial 24-48 45 day cool moist stratification or plant outside late November to early March, water once or twice a month if you receive no rain or snow. plant to 1/16-1/8 inch deep and cover with a thin layer of mulch.
Thalictrum fendleri Meadow Rue 17,180 perennial 24-48 30-60 day cool moist stratification or plant outside fall to early spring. Plant to 1/8 inch deep
Thelesperma filifolium Green Threadleaf 15,890 annual 10-20 14- 45 day cool moist stratification. Plant outside fall to early spring. plant on soil surface or to 1/16 inch deep. Takes 3-4 weeks to germinate
Thermopsis divaricarpa Foothills Golden Banner 1,610 perennial 12-24 scarify with sandpaper* or hot water soak and plant outside in the spring or plant outside in the fall without treatment. plant to 1/4 inch
Thermopsis montana Golden Banner 1,810 perennial 12-24 scarify with sandpaper* or hot water soak and plant outside in the spring or plant outside in the fall without treatment. plant to 1/4 inch
Thermopsis rhombifolia Arroyo Golden Banner 1,430 perennial 8-14 scarify or hot water soak or plant outside in the fall. plant on soil surface or to 1/8 inch deep
Townsendia grandiflora Easter Daisy 68,100 perennial 2-8 no pretreatment
Tradescantia occidentalis Western Spiderwort 8,000 perennial 12-24 no pretreatment necessary. plant outside spring or summer. plant on soil surface or to 1/8 inch deep
Tripterocalyx micranthus Three-wing Sand Verbena 5,625 annual 2-6 30 day cool moist stratification
Trollius laxus ssp. albiflorus Globeflower 34,375 perennial 6-18 30-90 day cool moist stratification or plant outside in the fall. plant on soil surface or to 1/16 inch deep
Verbena bipinnatifida Dakota Vervain 53,910 perennial 4-10 30 day cool moist stratification or plant outside fall to early spring. plant on soil surface or to 1/16 inch deep
Verbena hastata Blue Vervain 100,000 perennial 24-48 14-28 day cool moist stratification or plant outside early spring. plant to 1/16 inch deep or less.
Verbesina encelioides Crownbeard Daisy 8,510 perennial 12-36 no pretreatment. plant outside fall spring or summer. plant on soil surface or to 1/16 inch deep. Typically does not germinate until soil is very warm
Viguiera multiflora Showy Goldeneye 75,930 perennial 10-36 No pretreatment necessary. Plant to 1/16 inch deep
Viola nuttallii Yellow Wild Violet 15,625 perennial 1-2 30-60 day cool moist stratification or plant outside fall to late winter. plant to 1/8 inch deep
Wyethia amplexicaulis Mules Ears 1,750 perennial 12-36 low germination without pretreatment, 45 days cool moist stratification increases germination or plant outside fall or winter. plant to 1/8 inch deep
Wyethia helianthoides White Mules Ears 1,750 perennial 18-36 low germination without pretreatment, 45 days cool moist stratification increases germination or plant outside fall or winter. plant to 1/8 inch deep
Zinnia grandiflora Prairie Zinnia 15,200 perennial 4-8 no pretreatment. plant outside spring or summer. plant on soil surface or to 1/16 inch deep