Scouler's Willow

Salix scouleriana Barratt ex Hook.

Willow family

Plant Type

Tree, Shrub

Life Cycle

Perennial

Mature Height

50.0 feet

Spread

29 inches

Flower Color

Yellow

Bloom Time

Early Spring

Growing Conditions

Light

Shade Tolerance Intermediate

Water

Water Use High

Drought Tolerance Medium

Flood Tolerance Medium

Soil

Soil Types Clay, Loam, Sand

CaCO3 Tolerance High

Fertility Need Low

Stress Tolerance

Fire Tolerance High

Salt Tolerance Low

Climate

pH Range 6.5 – 8.0

Frost-Free Days 180 days

Precipitation 11 – 40 in

Ecosystem & Wildlife

Pollinators Native Bees; Larval Host (Butterfly); Larval Host (Moth); Hummingbirds; Wind

Larval Host Abagrotis trigona, Furcula scolopendrina, Homoglaea dives, Iridopsis emasculata, Lithophane georgii, Lophocampa maculata, Nycteola revayana, Oligocentria semirufescens, Orgyia antiqua, Orgyia pseudotsugata, Orthosia hibisci, Orthosia pacifica, Papilio rutulus, Peridroma saucia, Pheosia portlandia, Phyllodesma americana, Pseudorthodes irrorata, Schizura unicornis, Scoliopteryx libatrix, Synaxis jubararia, Xylena cineritia, Xylena nupera

Fall Color Yes

Evergreen No

Native Range

USA: Alaska, Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, South Dakota, Utah, Washington, Wyoming
CAN: Alberta, British Columbia, Manitoba, Northwest Territorie, Saskatchewan, Yukon
MEX: Mexico Northeast, Mexico Northwest

Regional Native Status: L48 (N), AK (N), CAN (N)

State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.