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Zone Common Name Scientific Name Mature Size Time of Bloom Soil Preferences Sun Exposure Height Width Sun Partial Shade Zone A F O R B S Yellow Monkeyflower lutea 24” to 36” 10” to 40” July to September All soil types X X Blue-eyed Grass Sisyrinchium idahoense 12” to 30” 4” to 20” March to July All soil types X X X Horsemint Agastache urticifolia 24” to 60” 12” to 24” June to August Sandy X X X Rocky Mountain Iris Iris missouriensis 12” to 60” 12” spreading May to June All soil types X X X Wild Mint Mentha arvensis 12” to 24” 12” to 24” spreading July to September Loamy, clayey X X Mountain Hollyhock Iliamna rivularis 12” to 36” 12” to 24” June to August All soil types X X Skullcap Scutellaria lateriflora 12” to 24” 12” to 24” June to October All soil types X X G R A S S E S / G R A M I N O I D S All Sedge species Carex spp. All Juncus species Juncus spp. ---PAGE BREAK--- Zone Common Name Scientific Name Mature Size Time of Bloom Soil Preferences Sun Exposure Height Width Sun Partial Shade Zone A Common Cattail Typha latifolia 6’ to 12’ 2’ to 3’ April to June Clayey X X S H R U B S & G R O U D C O V E R Twinberry Honeysuckle Lonicera involucrata 3’ to 8’ 5’ to 10’ March to August All soil types X X X Douglas Spirea Spiraea douglasii 4’ to 10’ 3’ to 5’ June to September Sandy, loamy X X Zone B F O R B S Wild Chives Allium schoenoprasum 20” 12” to 24” June to August All soil types X X Alumroot Heuchera cylindrica 18” to 36” 36” to 48” March to August Sandy, loamy X X Shooting Star Primula pauciflora 8” to 24” 8” to 12” April to August Sandy X X Self-heal Prunella vulgaris 4” to 20” 8” to 12” spreading June to August All soil types X X Fringecup Tellima grandiflora 12” Up to 12” March to June All soil types X X X ---PAGE BREAK--- Zone Common Name Scientific Name Mature Size Time of Bloom Soil Preferences Sun Exposure Height Width Sun Partial Shade Zone B All Columbine species Aquilegia spp. Large-leaved Avens Geum S H R U B S & G R O U N D C O V E R Serviceberry Amelanchier alnifolia 8’ to 20’ 5’ to 10’ April to May Sandy, loamy X X X Red-osier Dogwood Cornus sericea 6’ to 12’ 6’ May to June All soil types X Utah Honeysuckle Lonicera utahensis 3’ to 6’ 2’ to 3’ June to July All soil types X X Thimbleberry Rubus parviflorus 4’ to 8’ 8’ April to June All soil types X X X All Strawberry species Fragaria spp. 6” to 10” 36” spreading June All soil types X X Blue Elderberry Sambucus cerulea 6’ to 24’ 20’ March to September All soil types X X All Currant species Ribes spp. All Willow species Salix spp. ---PAGE BREAK--- Zone Common Name Scientific Name Mature Size Time of Bloom Soil Preferences Sun Exposure Height Width Sun Partial Shade Zone B G R A S S E S / G R A M I N O I D S Ticklegrass Agrostis scabra 12” to 24” 10” to 15” March to April Sandy, loamy X X Sweetgrass Anthoxanthum hirtum 16” to 36” 12” to 24” May to July All soil types X X Tufted Hairgrass Deschampsia cespitosa 6” to 12” 6” to 12” May to July All soil types X X Slender Hairgrass Deschampia elongata 6” to 20” 6” to 30” May to September All soil types X X Zone C F O R B S Fireweed Chamerion angustifolium 3’ to 5’ 2’ to 3’ June to September All soil types X X Showy Aster Eurybia conspicua 1’ to 2’ 2’ August to October Sandy X X Aspen Fleabane Erigeron speciosus 1’ to 3’ 1’ to 2’ June to October Loamy, clayey X Silky Lupine Lupinus sericea 1’ to 3’ 1’ to 2’ June to August All soil types X X ---PAGE BREAK--- Zone Common Name Scientific Name Mature Size Time of Bloom Soil Preferences Sun Exposure Height Width Sun Partial Shade Zone C Beebalm Monarda fistulosa 3’ to 6’ 2’ to 3’ May to September All soil types X X Canada Goldenrod Solidago canadensis 3’ to 6’ 4’ to 5’ September to November All soil types X X Blanketflower Gaillardia aristata 2’ to 3’ 2’ July to September Sandy, loamy X S H R U B S & G R O U N D C O V E R Rocky Mtn. Maple Acer glabrum 10’ to 30’ 10’ to 15’ April to May Sandy, loamy X X Kinnikinnick Arctostaphylos uva-ursi 6” to 12” 2’ to 10’ spreading March to June Sandy X X X Oregon Grape Berberis repens 3’ 5’ April to June All soil types X X X Oceanspray Holodiscus discolor 8’ to 15’ 6’ to 15’ June to July All soil types X X Mock Orange Philadelphus lewisii 2’ to 10’ 2’ to 10’ March to July All soil types X X ---PAGE BREAK--- Zone Common Name Scientific Name Mature Size Time of Bloom Soil Preferences Sun Exposure Height Width Sun Partial Shade Zone C Mallow Ninebark Physocarpus malvaceus 4’ to 10’ 3’ to 8’ May to July All soil types X Mountain Ash Sorbus scopulina 10’ to 15’ 5’ to 10’ June All soil types X X X Birch-leaved Spirea Spiraea betulifolia 3’ to 4’ 4’ to 5’ June to July Loamy, clayey X X G R A S S E S / G R A M I N O I D S Prairie Junegrass Koeleria macrantha 6” to 24” 12” to 24” June to July Sandy X Idaho Fescue Festuca idahoense 12” to 36” 6” April to July Loamy X T R E E S Paper Birch Betula papyrifera 50’ to 90’ 25’ to 45’ April All soil types X X River Birch Betula occidentalis 50’ to 70’ 30’ April to May All soil types X X Engelmann Spruce Picea engelmannii 75’ to 100’ 10’ April to May All soil types X X X ---PAGE BREAK--- Zone Common Name Scientific Name Mature Size Time of Bloom Soil Preferences Sun Exposure Height Width Sun Partial Shade Zone C Western White Pine Pinus monticola 45’ to 150’ 2’ April Sandy, loamy X X X Quaking Aspen Populus tremuloides 35’ to 50’ 8’ April to May All soil types X X X Douglas Fir Pseudotsuga menziesii 15’ to 150’ 10’ April All soil types X X