TREES AND SHRUBS

Species Common Name Seeds/oz Height(ft) Germination Tips
Abies concolor White Fir 693 50-250 21 days moist @ 34-41degrees or no pretreatment or plant outside fall to spring. Plant to 1/4 inch. Place or plant seedlings in partial shade.
Acer glabrum Rocky Mountain Maple 487 6-30 180 days moist 68-86F, 180 days moist 37-41F or plant outside in summer for germination the following spring plant to 1/4 inch deep
Alnus incana ssp. tenuifolia Thinleaf Alder 42187 6-30 3 days moist @ -4C,180 days moist 34-41F or 24 hr running water soak followed by 60 day cold moist strat or no pretreatment or plant outside late fall. plant to 1/16 inch deep.
Amelanchier alnifolia Serviceberry 5125 4-12 90-120 day cool moist stratification or plant outside in fall or 2hr soak in 3% H2O2 followed by 12-18 hr water soak and stratify at 3-5C for 100 days, after 60 days check for germ every 2 weeks rinsing each time. plant to 1/4 inch deep.
Artemisia filifolia Sand Sagebrush 143750 1-4 100 days moist @ 32-38F or plant outside in fall or winter. plant on soil surface or to 1/32 inch deep
Artemisia tridentata v. tridentata Basin Big Sagebrush 62500 3-12 no pretreatment. Plant outside spring or summer. plant 1/16 to 1/32 inch deep.
Artemisia tridentata v. vaseyana Mountain Big Sagebrush 143750 2-5 no pretreatment. Plant outside spring or summer. plant to 1/32 inch deep.
Atriplex canescens Fourwing Saltbush 3750 2-6 24hr soak in water followed by 5 day cool stratification at 34-38 deg F and plant outside late spring, or plant outside fall to early spring. plant 1/4 to 1/2 inch deep.
Atriplex confertifolia Shadscale Saltbush 4062 1-3 24 hr soak followed by 7-14 day cool moist stratification and plant outside in the spring, or plant outside fall to early winter. plant to 1/4 inch deep
Berberis fendleri Colorado Barberry 1875 4-6 60 day cool moist stratification or plant outside in the fall. Plant to 1/4 inch
Betula fontinalis River Birch 125000 6-20 no pretreatment. plant outside spring or summer. plant on soil surface or to 1/16 inch deep
Ceratoides lanata Winterfat 6937 1-4 plant outside fall to early spring. plant from 1/8 to 1/4 inch deep.
Cercocarpus montanus Mountain Mahogany 3687 3-15 30-60 day cool moist stratification at 34-41 deg F or plant outside fall or winter. plant to 1/4 inch deep
Chamaebatiaria millefolium Fernbush 68750 3-6 no pretreatment necessary or 30 day cool moist stratification, plant outside fall to spring. Plant to 1/16 inch deep
Chrysothamnus nauseosus Rubber Rabbitbrush 43750 3-8 no pretreatment, fresh seed only. plant outside winter or spring, plant on soil surface and cover with thin layer of sand
Cornus stolonifera Red Osier Dogwood 862 3-6 60 warm moist, 60-180 days cool moist or plant outside in the summer for germination the following spring, plant to 1/4 inch deep
Cowania mexicana Cliffrose 3800 24-72 30 day cool moist stratification or plant outside in the fall
Ephedra viridis Green Morman Tea 1470 2-4 Plant outside early spring in well drained soil. Plant 1/4 inch deep. May take 4 weeks to germinate. Germinates best with 59-87F day and 36-41F night
Fallugia paradoxa Apache Plume 31250 36-60 no pretreatment. plant outside spring or summer. Plant on soil surface or cover with about 1/8 inch soil.
Fendlera rupicola Fendler Bush 100000 4-6 no pretreatment necessary. plant outside fall or spring. Plant to 1/8 in deep
Gutierrezia sarothrae Snakeweed 59375 0.5-1.5 30 day cool moist stratification. Plant outside fall or early spring. plant on soil surface or 1/16 inch deep.
Haplopappus macronema Goldenbush 28125 0.5-2 no pretreatment necessary
Holodiscus dumosus Cliff Spirea 331250 2-6 90-120 days cool moist stratification. plant on soil surface
Jamesia americana Waxflower 437500 2-6 no pretreatment or 30-180 day cool moist stratification or plant outside fall to early spring. plant on soil surface.
Juniperus monosperma One-Seed Juniper 1135 10-30 Can germinate readily, genrally requires warm moist, cool moist. Best to plant outside at the beginning of summer and expect germination the following spring.
Juniperus scopulorum Rocky Mountain Juniper 1700 15-40 Requires 60-120 day cold moist stratification, or plant outside in the fall. plant to 1/4-3/8 inch deep.
Mahonia repens Creeping Oregon Grape 3600 0.25-0.5 60-90 days cool moist stratification or plant outside the in fall. plant to 1/4 inch deep
Opuntia imbricata Cholla 7810 2-4 probably requires scarification in addition to cool moist stratification. plant outside in the fall. plant to 1/8 inch deep in coarse soil
Philadelphus microphyllus Mock Orange 337500 2-5 no pretreatment or 45 days cold moist stratification or plant outside fall to late winter
Pinus aristata Bristlecone Pine 1130 25-50 21 days moist @ 34-41degrees or no pretreatment or plant outside fall to spring. plant to 1/4 inch
Pinus ponderosa Ponderosa Pine 820 75-150 21 days moist @ 34-41degrees or plant outside fall to early spring. plant to 1/4 inch
Prunus americana American Plum 19 4-20 90-120 day cold moist stratification or plant outside in the fall. plant on soil surface or to 1/4 inch deep
Prunus virginiana v. melanocarpa Chokecherry 188 5-30 120-160 days cool moist or plant outside in the fall. Plant to 1/4 inch deep.
Ptelea trifoliata Western Hop Tree 560 3-12 60 days cool moist stratification or plant outside fall to early spring
Rhus cismontana Western Smooth Sumac 3125 4-7 acid scarify then 60 days cool moist or plant outside in the fall. plant 1/8 to 1/4 inch deep
Rhus trilobata Skunkbrush Sumac 660 3-8 45 day cool moist stratification then plant outside in the summer or plant outside fall to early winter, cover with 1/16-1/8 inch of soil
Ribes aureum Golden Currant 14375 3-8 45 day cool moist stratification then plant outside in the summer or plant outside fall to early winter, cover with 1/16-1/8 inch of soil
Ribes cereum Wax Currant 12500 2-6 45 day cool moist stratification then plant outside in the summer or plant outside fall to early winter, cover with 1/16-1/8 inch of soil
Ribes montigenum Montain Gooseberry 20310 1-4 45 cool moist stratification or plant outside in the fall or winter. plant to 1/16 inch deep.
Rosa arkansana Prairie Rose 2180 3-36 Needs 60-90 days warm, then 90-180 cool moist stratification. Best to plant outside at the beginning of summer and expect germination the following spring.
Rosa woodsii Woods Rose 3062 3-6 Needs 60-90 days warm, then 90-180 cool moist stratification. Best to plant outside at the beginning of summer and expect germination the following spring.
Sambucus microbotrys Elderberry 13500 2-5 90 days warm stratification then 90 days cool moist stratification or scarify and 60 days cool moist stratification or plant outside in the fall. plant to 1/8 inch deep
Yucca glauca Spanish Bayonet 1780 12-60 no pretreatment. plant outside spring or summer. soaking seed for 24 hours at room temp will improve germination. plant to 1/16 inch deep. May take up to 4 weeks to germinate.