APPENDIX B of TITLE 12
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APPENDIX B of TITLE 12 North Idaho Native and Beneficial Plant List
PART I - NATIVE PLANT LANDSCAPING LIST...... 2 TREES...... 2 SHRUBS...... 3 PERENNIALS...... 6 FERNS...... 11 GRASSES, RUSHES, SEDGES, REEDS...... 12 GROUND COVER...... 15 VINES...... 16
PART II - ADDITIONAL PLANT LIST...... 17 TREES...... 17 SHRUBS...... 18 PERENNIALS...... 19 GRASSES, RUSHES, SEDGES, REEDS...... 20
– B-1 – PART I - NATIVE PLANT LANDSCAPING LIST Plants that are native to North Idaho
Codes: Soil - D = dry; M = moist; W = wet Light - S = sun; PS = part sun or shade; Sh = Shade *Keep away from sewer and septic lines
TREES
Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
Alder, Red* Alnus rubra 40-60 ft M/W S/PS Fixes nitrogen in the soil; catkins
Alder, Sitka* Alnus viridis 30 ft. M/W S Interior Rain Improves soil by adding Forest/ organic matter and Riparian nitrogen; catkins
Aspen*, Populus 90 ft. M/D S Aspen Grove Golden fall color; spreads Quaking tremuloides by root runners; gray- white smooth bark
Birch, Paper* Betula 50-70 M S Wetland Yellow fall foliage; white papyrifera ft. peeling bark
Birch, Water* Betula 13-26 W S/PS Wetland Streambank stabilization; occidentalis ft. pinkish, non-peeling bark
Cottonwood*, Populus 150- M/W S Sticky, red seed cases; Black trichocarpa 180 ft. good for erosion control on banks; attracts birds
Fir, Douglas; Pseudotsuga 150 ft. D/M S/PS Shade tolerant; well Red menziesii drained soil; pyramidal shape
Fir, Grand; Abies grandis 100 ft. M/D S/PS Fragile erect cones at top White of tree; fragrant foliage
Fir, Subalpine Abies 60-105 M S/Sh Subalpine Dark-green needles with lasiocarpa ft. whitish-lines; drought and heat intolerant; narrow, slow-growing; red-purple cones at top
Hemlock, Tsuga 120- M Sh Interior rain Needs shade when Western heterophylla 150 ft. forest young; thick, acidic, humus soil
Larch, Larix 100- D/M S Young Forest Golden fall color; Western; occidentalis 200 ft. deciduous, erect, slender Tamarack
– B-2 – Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
Maple, Rocky Acer glabrum 20 - 30 M/D S/PS Young Forest Shrubby multi-trunk tree; Mountain ft. fall and winter color; attractive all year
Pine, Pinus 140 ft. D/M S Young Forest 3 needles per sheaf; dry Ponderosa; ponderosa open sites; fire resistant Yellow, Bull
Pine, Western Pinus 230 ft. D/M S Young Forest Idaho State Tree; five White monticola needles per sheaf; good specimen tree
Redcedar, Thuja plicata 100- M PS/Sh Moist Forest Evergreen-scale-like Western 120 ft. leaves; aromatic; red- brown bark; rich, moist soil
Spruce, Picea 75-120 M PS Subalpine Blue-green, stiff, Engelmann engelmannii ft. evergreen needles; slow growing
SHRUBS
Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
Alder, Wavy Alnus viridis 10 ft. May- M S/PS Forms thicket; fast leaf* ssp. Sinuata July growing; fixes nitrogen
Birch, Bog, Betula nana 3-10 ft. Feb- W S/PS Deep orange in the fall; Scrub* June acidic soil; spreading
Buffalo Berry Shepherdia 3-13 ft. May- D/M S/PS Dry Forest Small yellow flowers; canadensis July orange to red berries: fixes nitrogen
Cascara, Frangula up to Jun- M/W Sh Small, yellow flower Buckthorn purshiana 30 ft. July clusters; black fruit; silvery gray bark; deciduous
Ceanothus, Ceanothus 2 ft. D/M S Small white flowers in Shiny Leafed velutinus var. pyramidal clusters; good browes
Chokecherry, Prunus 3-12 ft. Apr- D S Meadow/ White flowers; grows in Common virginiana May Medicinal rocky soil; fast growing; showy fruit; attracts birds
Cranberry, Viburnum 1.5 M/W PS/Sh Clusters of white flowers., Highbush edule to10 ft red berries, likes rich organic soil
Devil’s club Oplopanax 3-10 ft. May- M Sh Interior Rain Creamy white flowers; horridus June Forest beautiful red berries in fall; very spiny
Dogwood, Red Cornus 3-6 ft. May- M/W S/PS Interior Rain Greenish-white flower Osier sericea July Forest clusters;white berries; red twigs
– B-3 – Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
Elderberry, Sambucus 6-12 ft. M S Riparian Clusters of white flowers; Blue nigra var. grows along cerulea watercourses; powdery blue edible fruit; fast growing
Hawthorn, Crataegus 6 to 25 May- D/W S White flower cluster; small Black douglasii var. ft. June black fruit; thorny; soil & stream stabilization
Hazelnut, Corylus 3-12 ft. M S/Sh Edible nuts; yellow, fall Beaked cornuta color; stream banks; well- drained soil
Huckleberry, Menziesia up to 9 M S/Sh Tiny, pinkish-yellow Fool's; False ferruginea ft. flowers, blue-green Azalea foliage; crimson-orange fall foliage; acidic, humus soil
Huckleberry, Vaccinium to 6 ft M/W S Subalpine White to pink flowers; Oval-leaf ovalifolium edible blue-black berries; red fall foliage
Huckleberry, Vaccinium to 4.5 ft M/D S Subalpine White to pink flowers; Thinleaf membranaceum purple to reddish-black berries; red fall foliage
Juniper, Rocky Juniperus 3-30 ft. D S Grayish-green; gray-blue Mountain scopulorum berries; knotty, twisted trunk; rocky sites
Kinnikinnick Arctostaphylos 6-10 in. D S/PS Paths Urn-shaped flowers, red uva-ursi berries; evergreen shiny leaves
Maple, Rocky Acer glabrum 20-30 M/D S/PS Young Forest Shrubby multi-trunk tree; Mountain var. ft. fall and winter color; attractive all year
Mountain Ash, Sorbus 3-15 ft. June- M S/PS White flower clusters; Sitka sitchensis var. July grows on slopes; excellent fall color-leaves & berries
Mountain Ash, Sorbus 3-13 ft. May- D/M S/PS White flower clusters; Western scopulina var. July grows on slopes; excellent scopulina fall color-leaves & berries
Mountain Pachistima 1-2 ft. May- M PS Berm Tiny maroon flowers; Lover, Myrtle myrsinites June good deer browse; Boxwood, evergreen; False Boxwood
Ninebark, Physocarpus to 6 ft May- D/M S Dry Rock White flowers; leaves Mallow malvaceus June hairy on both sides; peeling bark; rocky soil
– B-4 – Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
Ocean Spray Holodiscus 3-10 ft. June- D/M S/PS Dry Forest Foamy, creamy-white discolor Aug flower clusters; arching stems; sandy to gravelly soil
Oregon Grape, Mahonia 6-24 in. Spring D/M PS/Sh Path Yellow flowers; shiny Cascade nervosa leaves; evergreen; dark berries
Oregon Grape, Mahonia 6-12 in. Apr/ D/M S Path Bright yellow flower Creeping repens June clusters; blue berries; holly-like, evergreen leaves
Oregon Grape, Mahonia 8-48 in. May/Ju D/M S Path Yellow flower clusters; Tall aquifolium ne prickly, evergreen leaves; blue berries; drought resistant; rich soil;
Penstemon, Penstemon to 15 June- D S Dry Rock Flowers blue-lavender to Shrubby fruticosus in. Aug purple, rocky soil
Rose, Baldhip Rosa 1-4 ft. June- D/M S Small pink flowers; small gymnocarpa July scarlet hips var.
Rose, Nootka Rosa nutkana 3-6 ft. May- M S Dry Rock Large pastel pink flowers; var. July large, red hips
Rose, Pearhip Rosa woodsii 3-6 ft. May- D S Dry Rock/ Pink flowers; large, dark var. July Medicinals red hips; spreads well.
Rose, Prickly Rosa 3-6 ft. June- M S Pink flowers; very spiny acicularis var. Aug
Service Berry; Amelanchier 6-30 ft. May- M/D S Young Forest White flowers; dark blue Saskatoon alnifolia var. June berries; attracts birds
Snowberry Symphoricarp 4 ft. May- D S Path Pink flowers, white berries os albus Aug (poisonous) persist through winter;
Spiraea, Birch- Spiraea 10"-24" June- M/D S Meadow/ White flowers in dense flat Leaved betulifolia var. July Moist Forest clusters; easy to grow
Spiraea, Spiraea 4 ft. June- M/W S Riparian/ Pink to deep rose, dense, Douglas, Pink douglasii var. July Rain Forest elongate clusters; easy to grow
Sumac; Rhus glabra 3-9 ft. June- D S Dry Rock White flower clusters; Smooth July grows on slopes; excellent fall color-leaves & berries
Syringa, Philadelphus 3-9 ft. May- M S/PS Young Forest White, fragrant flowers; Mockorange lewisii July Idaho state flower; grows in open forests
Thimbleberry Rubus 1 1/2-7 May- D/M PS/Sh Dry Rock White flowers; edible fruit; parviflorus ft. July spreads by rhizomes
– B-5 – Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
Twinberry, Lonicera 3-9 ft. June- M/W S/PS Yellow flowers clusters; Black; involucrata July black berries in fall; boggy Bearberry soil
Twinberry, Lonicera 3-6 ft. May- M S/PS Moist Forest Twin, yellow flowers. Red; Utah utahensis July followed by twin red Honeysuckle berries
Willow, Salix bebbiana 1-15 ft. W S/PS White catkins; grows in Bebb's* seeps
Willow, Salix 6-12 ft. M S/PS Long, oval-shaped leaves; Drummond* drummondian tolerates poor soil; moist, a water's edge
Willow, Salix 4-15 ft. M S Catkins; holds shorelines Geyer's* geyeriana
Willow, Salix lasiandra 3-27 ft. W S Pale yellow catkins; Pacific* medium shrub or small tree; holds shorelines
Willow, Salix exigua to 12ft. May- W S Grows on sandbars Sandbar* June
Willow, Salix 7-33 ft. D/M S Young Forest Erect, clumped growth Scouler* scouleriana
PERENNIALS
Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
Alumroot, Heuchera 6-20 in. May- D S Dry Rock/ Cream flowers on spike- Round-Leafed cylindrica var. Aug. Meadow like clusters
Arnica, Arnica latifolia 3-20 in. All M S/PS Medicinal Bright yellow ray flowers Broadleaf var. Summer Garden
Arnica, Heart- Arnica 3-20 in. May- M S/PS Medicinal Yellow, daisy-like flowers; Leaved cordifolia Aug Garden leaves similar to trail plant
Aster, Showy Eurybia 1-3 ft. July- D/M PS/Sh Young Forest Blue to violet ray flowers conspicua Sept with yellow centers; loamy soil; grows under pines
Aster, Smooth Aster laevis 4-10 in. July- D/M S Rose-purple to blue or Blue Sept violet, yellow center
Balsamroot, Balsamorhiza 12-18 May- D S/PS Dry Rock Very showy, daisy type Arrowleaf sagittata in. June yellow flower; well drained soil
Beargrass Xerophyllum stems May- M S Subalpine Creamy flower cluster on tenax to 4.5 ft Aug tall stem; grass-like leaves in clumps; lily family
Bedstraw, Galium 8-39 in. May- M/W PS/Sh Tiny white flowers; Fragrant triflorum June reseeds; peat soil
– B-6 – Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
Bergamot, Monarda 8-28 in. June- M/D S/PS Pink/purple flowers; large Wild Beebalm fistulosa Aug clumps; rhizomes; a mint; sand to loam soil
Biscuitroot, Lomatium to 5 ft. Apr- D S/PS Yellow or purple flowers; Fern-leaved dissectum June rocky soil
Biscuitroot, Lomatium 8-32 in. Spring D S Yellow flowers; likes rocky Nine-leaf triternatum soil
Biscuitroot, Lomatium 4-10 in. Early D/M PS Small white flowers (salt) Salt & Pepper; gormanii Spring w purple anthers (pepper); Gorman's east exposure Desert-Parsley
Bitterroot Lewisia 2-3 in. Apr- D/M S Showy pink flower; well rediviva July drained rocky soil
Blanketflower Gaillardia 8-27 in. June- D S Young Forest Flowers yellow to maroon; aristata July reseeds; well-drained soil; tolerates heat
Bluebell, Long- Mertensia 5-8 in. Apr/ M S/PS Pink, clustered, bell flowered or longiflora June shaped flowers turn blue Mountain
Bluebells Campanula 6-20 in. All D S Dry Rock Purplish-blue, bell-shaped rotundifolia Summer flowers on thin, wiry stems; well drained soil
Buckwheat, Eriogonum 2-6 in. May- D S Creamy white flower Cushion ovalifolium Aug cluster; mat-forming, gray- green leaves
Buckwheat, Eriogonum 2-12 in. June- D S Creamy white flower Sulphur umbellatum Aug cluster often tinged with red or purple; mat- forming, gray-green leaves
Buttercup, Ranunculus 6-24 in. Early M/W S/Sh Small pale yellow flowers Little uncinatus Summer
Buttercup, Ranunculus 2-8 in. Early D/M S/PS Yellow flowers; coniferous Sagebrush glaberrimus Spring forests; vanishes in mid- var. summer
Camas, Camassia 12 in. Apr/ M S/PS Riparian Several blue-purple Common quamash July flowers per stem; like coarse grass; wet spring & dry summer soil
Cattail, Typha latifolia stems W S Riparian Dark brown blossoms Common to 6 ft become cottony when mature; organic soil; wet feet; rhizomes
Cinquefoil, Potentilla 1-2 ft. Late D S/PS Yellow flowers; 5-fingered Graceful gracilis var. Spring leaves; looks like "marijuana leaf"
– B-7 – Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
Cinquefoil, Potentilla 6-16 in. June- D/M S/PS Pale yellow flowers; 5- Sticky glandulosa Aug fingered leaves. var.
Clarkia, Pink Clarkia 2-8 in. May- M/D S Pink flowers; well-drained Fairies pulchella June soil; annual; reseeds
Collomia, Collomia 4-15 in. May- D/M S Small tubular pink flowers Narrow-leaved linearis Aug in dense cluster
Columbine, Aquilegia 8-28 in. May- D/M S/PS Dry Rock Drooping red sepals, Red formosa Aug yellow petals
Columbine, Aquilegia 8-30 in. June- M S/PS Yellow petals, yellow Yellow flavescens Aug sepals may be tinged with pink; mountain meadows
Cow Parsnip Heracleum 3-7 ft. June M/W S/Sh Wetland White flower clusters 4-12 maximum in. across; maple-like, showy leaves
Fireweed Chamerion 1-7 ft. June- M S Dry Rock Large rose to purple angustifolium Aug flowers. First to grow after ssp. a fire; spreads by angustifolium rhizomes
Flax, Blue Linum lewisii 2 ft/ May- D/M S/PS Young Forest Blue flowers replace daily; Sep reseeds; very easy to grow
Fleabane, Erigeron 4-24 in May- D/M S-PS Subalpine Blue ray flowers with Daisy speciosus Aug yellow center. Blooms before the asters
Foamflower Tiarella 6-20 in. June- W/M Sh/PSh Tiny, delicate white trifoliata var. July flowers on wiry stalks
Geranium, Geranium 16-35 May- M PS/Sh White to pinkish flowers Cranesbill richardsonii in. Sept
Geranium, Geranium 16-35 May- D S/Sh Pinkish-purple flowers; Sticky viscosissimum in. Sept grassy meadows
Goldenrod Solidago 12-70 July- D/M S/PS Meadow Dense clusters of showy canadensis in. Oct yellow flowers var. salebrosa
Grass Widow Olsynium 6-10 in. Early M S/PS Purple-blue flowers; iris- douglasii var. Spring like leaves inflatum
Groundsel, Senecio 1-5 ft. June- W S/PS Yellow composite flowers Arrowleaf triangularis Sept in flat topped heads
Hollyhock, Iliamna 3-6 ft. June- M S Showy spikes of pink to Mountain rivularis Aug white flowers; large, maple-like leaves; well- drained soil
Hooker's Disporum 1-3 ft. Late M/W S/Sh Moist Forest 2-3 creamy flowers hang Fairybells hookeri Spring from stem ends; red berries in fall
– B-8 – Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
Hyacinth, Wild Brodiaea 6-10 in. Apr- D S/PS Blue flowers clumped at douglasii June the end of a long stem
Jacob's ladder Polemonium 2-15 in. May- D/M S Blue flowers; in the Phlox pulcherrimum Aug family; reseeds readily
Larkspur, Delphinium 3-15 in./ Apr- D/M S Stalk of blue/purple, Montana bicolor 6-24 in. July showy flowers; grassy prairies, coniferous forests
Larkspur, Delphinium 6-16 in. D S/PS Showy blue to violet Nuttall's nuttallianum flowers; open forest
Lily, Columbia; Lilium 2 feet/ Jul/Aug 3 3 Dry Rock Orange flowers with red- Tiger lily columbianum purple dots; loose fertile soil; purchase as seed or corms
Lily, Leopard; Fritillaria 2 1/2 ft April- M S-PS Purple-brown flowers Chocolate Lily lanceolata June mottled with green. Purchase corms
Lupine, Silky Lupinus 8-24 in. Spring D S Meadow Deep blue/purple flowers sericeus on erect stems
Lupine, Silvery Lupinus 4-16 in. Spring D/M S/PS Meadow Violet/blue flowers on argenteus erect stems; clumps
Meadowrue, Thalictrum 1-3 ft. M S Small white flowers in Western occidentale loose clusters at top of stems
Miner's Claytonia 2-12 in. Apr- M PS/Sh White to pink nodding Lettuce perfoliata July flowers in a cluster above (Montia leaf disk perfoliata)
Miner's lettuce, Claytonia 4-12 in. May- W PS Moist Forest Small white flowers with Heart-leaved cordifolia Sept pink veins; grows along streams
Monkey Mimulus 3 -36 Summer W S/Sh Yellow flowers; grows Flower, Yellow guttatus in. along streams
Nightshade, Circaea alpina 4-20 in. M/W Sh Tiny flowers: showy Dwarf leaves; cool, damp forest Enchanter's or wetland sites
Onion, Pink Allium 4 - 20 June- D S/PS Medicinal Pink to rose purple nodding cernuum in. July flowers; spreads by clumping
Pearly Anaphalis 1-3 ft. July- D/M S Dry Rock White flowers in dense Everlasting margaritacea Oct clustered heads; good dried flower
Phalicia, Phacelia 3-20 in. May- D S Lavender-blue flowers; Threadleaf linearis July annual; reseeds
– B-9 – Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
Prairie Smoke Geum triflorum 4-12 in. May- D/M S/Sh Dry Rock Pink to red flowers, lacy July leaves; plumed seed pods; gravelly soil
Prince's Pine Chimaphila 1 ft. June- M S/PS Pink flowers on top of long umbellata Aug stem; evergreen, rosette leaves
Shooting star, Dodecatheon 6-16 in. Apr- M S/Sh 2-15 pink flowers per Woodland pulchellum Aug stem; likes moist humus- rich soil
Skunk Lysichiton 1-3 ft. Apr- W PS/Sh Wetland Spike of tiny yellow Cabbage americanus July flowers surrounded by a yellow hood; bogs
Solomon's- Maianthemum 1-3 ft. Apr- M PS/Sh White flowers; red berries; Seal, False racemosum July spreads by rhizomes
Solomon's- Maianthemum 8-24 in. May- M S/PS Small white flowers; Seal, Star- stellatum June rhizomes; moist, open flowered forest
Stonecrop Sedum 2-8 in. May- D S/PS Star-shaped, bright-yellow stenopetalum Aug flowers, grows on well drained rocky slopes.
Sweet Cicely, Osmorhiza 16-48 Apr- M Sh Yellow or white flowers in Western berteroi, in. July groups; black, needle- Osmorhiza shaped seeds; licorice purpurea aroma; rich soil
Trailplant, Adenocaulon Up to 3 June- M Sh Tiny white flowers on Pathfinder bicolor ft. Sept multiple wispy stems; leaves light color underneath
Trillium Trillium 1 ft. Mar- M/W Sh/PSh Moist Forest Three broad white petals ovatum June on showy flower; three leaves
Twisted Stalk Streptopus 1-3 ft. May- M PS/Sh Greenish-white, bell- amplexifolius June shaped flowers hang down from underside of leaves; red berries in fall
Valerian, Sitka Valeriana 1-3 ft. June- M S/PS Pale pink fading to white sitchensis Aug flowers; feathery seed plumes; rhizomes
Violet, Early Viola adunca 4 in Apr- D/M S/PS Dry Rock Blue or purple flower Blue var. Aug
Violet, Round- Viola to 2 in Apr- M S/PS Moist Forest Yellow flower leaf orbiculata July
Violet, Stream Viola glabella 2 to 7.5 Apr- M/W S/PS Moist Forest Yellow flower; streams or Pioneer in July and seeps
– B-10 – Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
Waterlily, Nuphar lutea 4-18 in. Summer W S/Sh Large, yellow flowers and Yellow ssp. large leaves float on the polysepala surface of ponds 2-10 ft. deep or slow streams
Woodland Lithophragma 8-20 in. Apr- M S/PS Small, white flower Star; Prairie parviflorum June Star var.
Yarrow Achillea 6 - 24 Aug - D/M S White flowers; leaves millefolium in. Oct fern-like; re-seeds aggressively; fragrant
Yellow Bell Fritillaria 3-12 in. Apr- D S/PS Nodding yellow flowers. pudica June Purchase corms
FERNS
Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
Brittle Bladder Crystopteris 4-12 in. D S Rocky sites; foothills to (Fragile) Fern fragilis alpine
Cliff Fern Woodsia to 10 in D PS Rocky soil; dry cliffs; talus scopulina slopes
Crested Dryopteris 12-25 M/W PS/Sh Interior Rain Wet woods; evergreen Shieldfern cristata in. Forest
Lady Fern Athyrium filix- 2-5 ft. M PS/Sh Interior Rain Leaves in vase-like femina Forest clusters; spreads well by rhizomes
Oak Fern Gymnocarpium 3-14 in. M Sh Spreads well by rhizomes; dryopteris well-drained, acidic soil
Oregon Woodsia to 7.5 D PS Rocky soil; dry cliffs; rocky Woodsia; oregana in slopes; clusters of leaves Western Cliff Fern
Parsley Fern, Cryptogramma 4-12 in. M S Open, well-drained, rocky Rockbreak acrostichoides sites; parsley-like leaf clusters; evergreen
Sword Fern, Polystichum 2-4 ft. D/M Sh Interior Rain Rich soil; large clumps of Common munitum Forest leathery, deep-green fronds
GRASSES, RUSHES, SEDGES, REEDS Check with local veterinarians for appropriate species where livestock may graze.
Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
Alkali Poa juncifolia; Common at low to mid bluegrass P. secunda elevations in alkaline ssp. Juncifolia meadows, grasslands and dry open forests
– B-11 – Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
Alpine Poa alpine High elevations in bluegrass meadows, disturbed sites and rocky slopes
American Beckmannia Cool season annual or sloughgrass syzigachne short-lived perennial grass commonly found in shallow marshes or sloughs. Frequently colonizes denuded wetland soils resulting from mud flat exposure. Seed units provide food for migratory waterfowl.
Blue-Bunch Pseudoregneri 2 - 3 ft. D S Perennial bunch grass, Wheatgrass a spicata leaves hairy above; drought tolerant
Blue Wildrye Elymus 2-3 ft. June- M/D S Meadow Blue-green blades in glaucus Aug small clumps; deciduous forest; wildlife forage
Bulrush, Scirpus acutus 2-10 ft. June- W S Grayish-brown spiklets Hardstem Sept and stems; rhizomes; grows in water
Bulrush, Scirpus to 4 ft. Late W S Wetland - roots need to Small-flowered microcarpus summer be in water; triangular stems; forage for waterfowl
Bulrush, Schoenoplectus 2-4 ft. Late W S Wetland - roots need to Softstem tabernaemontan summer be in water; triangular i stems; forage for waterfowl
Cattail, Typha latifolia stems June- W S Riparian Organic soil by lakes and Common to 6 ft Aug streams; rhizomes; blossoms become cottony when mature; invasive; water purifier
Columbia Bromus Similar and common brome vulgaris
Common Hierochloe (Name varies in US; sweetgrass odorata grows in all Canadian provinces) low to high elevations in wetlands
Cusick's Poa cusickii Widespread at low to high bluegrass elevations in grasslands and alpine meadows
Fringed brome Bromus Loosly tufted perennial ciliatus common in mid to sub alpine moist forests and wetlands
– B-12 – Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
Hair bentgrass Agrostis Densely tufted perennial (Ticklegrass) scabra common at low to mid elevations in meadows, forest openings and disturbed sites
Idaho Fescue Festuca 1-3 ft. D/M S/PS Meadow Bluish-green, densely idahoensis tufted bunchgrass; cool, well-drained soil
Needle-and- Stipa comata Tufted perennial thread grass bunchgrass, common at low to mid elevations in grasslands and on south- facing slopes in dry forest openings (good forage before sharp seeds form)
Nodding Trisetum Moist forests, clearings trisetum cernuum and stream banks from low to sub alpine elevations
Nodding Cinna latifolia Increases 'tremendously' wood-reed on moist disturbed sites. Moist forests, low to mid- elevations
Nuttall's Puccinellia Wetlands, low to mid alkaligrass nuttaliana elevation, often where alkaline. Forage
Pinegrass Calamagrostis 2-3 ft. June- D S/PS Yellow-green to purple rubescens Aug seed heads; dry coniferous forests; rhizomes
Pumpelly Bromus Rhizomatous, sod-forming brome inermis ssp. perennial; scattered at low Pumpellanus to sub alpine elevations on grassy slopes and edge of dry forests. (not Bonner County but in Shoshone County)
Rough fescue Festuca Var. major common at low campestris; to mid elevations in dry to Festruca moist forests and scabrella grasslands (county level not avail on USDA)
Rough-leaved Oryzopsis Prostrate or spreading ricegrass asperifolia stems, low to mid elevations in dry to moist forest openings and clearings
– B-13 – Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
Sandberg Poa secunda; J. Presl widespread at low bluegrass P. sandbergii; to mid elevations on well Poa secunda drained soils; common in low elevation grasslands
Sedge, Carex rostrata 6-45 in. W S Large clumps; rhizomes; Beaked wet feet
Sedge, Water Carex aquatilis 3 ft. W S/PS Forms a dense sod; rhizomes; wet feet
Spike trisetum Trisetum Perennial bunchgrass, spicatum open dry sites at low to high elevations
Spikerush, Eleocharis 4-50 in. M/W S Round stems; rhizomes; Creeping palustris alkaline soil; forms dense stands; tufted; wet feet
Spreading Stipa Tufted perennial common needlegrass richardsonii at low to mid elevations in grasslands and forest openings often forming solid stands at forest edges
Squirreltail Elymus Scattered in dry to moist grass elymoides; sites in open forests and Sitanion grasslands, all elevations hystrix (Kootenai County and others south)
Stiff occidentalis; Dry areas, low to mid needlegrass Achnatherum elevations open forests, occidentale ridges, grasslands (distribution on USDA in Idaho unconfirmed)
Timber Danthonia Mid to high elevations, oatgrass intermedia grasslands, meadows, wetlands and open forests
Tufted Deschampsia 1 1/2 - Spring- D/M S/PS Riparian Showy plumes in late Hairgrass cespitosa 2ft. Summer summer and fall; dense clumps; reseeds; deer resistant
Western Festuca Widespread and common fescue occidentalis at low to mid elevations in dry to moist forests and clearings
GROUND COVER
Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
Blackberry, Rubus ursinus 2-3 in. June D/M S White flowers; ground Dewberry hugging trailing shrub; edible berries; prickles
– B-14 – Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
Bunchberry Cornus 2-8 in. Spring M PS Moist Forest White flowers; bright red canadensis berries; evergreen; cool acidic soils; spreads by rhizomes
Ginger, Wild Asarum 2-4 in. Apr.- M Sh Moist Forest Hidden maroon flowers; caudatum July fragrant; moist, rich, organic soil
Kinnikinnick Arctostaphylos 6-10 in. D S/PS Paths Urn-shaped pink flowers, uva-ursi red berries; evergreen
Oregon Grape, Mahonia 6-12 in. Apr/ D/M S Path Yellow flower clusters; Creeping repens June blue berries; red leaves in fall; evergreen
Pussytoes, Antennaria 2-18 in June- M PS Subalpine Pink/white flowers in tight Rosy microphylla Aug heads; gray-green leaves form mats; moist forest
Pussytoes, Antennaria 4-24 in. May- D/M PS/Sh White flowers; gray-green Woods racemosa Aug leaves form a mat; rhizomes
Self-Heal, Prunella 4-20 in. May- M PS/Sh Pink to purple flowers in a Heal-All vulgaris Sept. dense head on short stems; spreads
Strawberry, Fragaria 2-6 in. May- D/M Sh-PS White flowers; tasty, Wild virginiana and August edible fruit; spreads easily F. vesca by runners
Sweet-scented Galium 1-4 in. PS Low-subalpine Vanilla fragrance. Small bedstraw triflorum flowers.
Twinflower Linnaea 4 June- M S/PS Moist Forest Trumpet-like nodding pink borealis inches/ Sept flowers; fragrant; organic soil
– B-15 – VINES
Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
Clematis, Clematis 2-15 ft. May- M Sh Moist Forest Blue to lavender flowers; Western columbiana long July feathery, plumed seed Virgin's Bower pods; plant seed in fall
Clematis, Clematis up to May- D/M S/PS Dry Rock Cream-colored open White Virgin's ligusticifolia 60 ft. Aug flower clusters; silvery Bower long plumed seed pods; woody vine; well drained soil
Honeysuckle, Lonicera 6-18 ft. May- D/M PS Arbor Orange-yellow flowers; Orange ciliosa July climbs; orange-red berries
Peavine, Lathyrus 12-40 May- M/D S/PS Cream colored flowers; Creamy ochroleucus in July rhizomes; rocky, open forests; fixes nitrogen; deciduous
– B-16 – PART II - ADDITIONAL PLANT LIST Non-native plants considered beneficial because they are: non-invasive, low water users, locally available and use no or low insecticides or pesticides
Codes: Soil - D = dry; M = moist; W = wet Light - S = sun; PS = part sun or shade; Sh = Shade *Keep away from sewer and septic lines
TREES
Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
Arborvitae
Austrian Pine Pinus nigra
Bristlecone Pine Pinus aristata
Burr oak Quercus macrocarpa
Colorado blue Picea pungens spruce
Common Celtis occidentalis hackberry
Gingko tree Gingko biloba
Goldenrain Tree Koelreuteria paniculata
Green Ash Fraxinus pennsylvanica
Hawthorn Crataegus douglasii
Limber Pine Pinus flexilis
Narrowleaf Populus Cottonwood angustifolia
Oak Quercus sp.
Parrotia Parrotia persica
Plains P. deltoides Cottonwood
Red Maple Acer rubrum
Scotch Pine Pinus sylvestris
– B-17 – SHRUBS
Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
American Viburnum sp. Cranberry Bush
American Prunus Plum americana
Blue Mist Caryopteris sp.
Chokeberry Aronia sp
Common Juniperus juniper communis
Common lilac Syringa vulgaris
Fothergilla Fothergilla sp.
Juniper Juniperus sp.
Oakleaf sumac Rhus trilobata
Pine Pine sp.
Redstem Ceanothus ceanothos sanguinus
Shrubby Dasiphora cinquefoil floribunda
Silver buffalo Sheperdia berry argentea
Staghorn Rhus typhina sumac
Virginia Itea virginica Sweetspire
Western Prunus pumila sandcherry
– B-18 – PERENNIALS
Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
American Vicia vetch americana
Beardtongue Penstemon sp.
Black-eyed Rudbeckia Susan fulgida
Blanket Flower Gaillardia grandiflora
Blazing Star Liatrus sp.
Bluestar Amsonia sp.
Butterfly Weed Asclepias tuberose
Coastal Fragaria strawberry chiloensis
Cone Flower Echinacea
Hyssop Agastache rupestris
Indian Castilleja paintbrush angustifolia
Larkspur Delphinium sp.
Lupine Lupinus sp.
Maximilian's Helianthus Sunflower maximiliana
Oregon Iris Iris tenax
Prairie Ratibida Coneflower columnifera
Yarrow Achillea sp.
Yucca Yucca glauca
– B-19 – GRASSES, RUSHES, SEDGES, REEDS Check with local veterinarians for appropriate species where livestock may graze.
Common Name Scientific Name Height Bloom Moisture Light Arboretum Notes
Baltic Rush Juncus balticus
Beaked Sedge Carex utriculata
Big-leaf Sedge Carex amplifolia
Common or Juncus Soft Rush effusus
Green needle Nassella grass viridula
Hard fescue Festuca trachyphylla
Inflated Sedge Carex vesicaria
Jointed Rush Juncus articulatis
Nebraska Carex Sedge nebraskensis
Prairie june Koeleria grass macrantha
Sheep fescue Festuca ovina
Small-winged Carex Sedge microptera
Softstem Scirpus Bulrush validus
Thickspike Elmus wheatgrass lanceolatus
Three-square Scirpus Bulrush pungens
Western Pascopyrum wheatgrass smithii
Woolgrass Scirpus cyperinus
Wooly Sedge Carex lanuginosa
– B-20 –