Narrowleaf Willow

Salix exigua Nutt.

Willow family

Plant Type

Tree, Shrub

Life Cycle

Perennial

Mature Height

10.0 feet

Spread

6.0 feet

Flower Color

Yellow

Bloom Time

Early Spring

Growing Conditions

Light

Shade Tolerance Intermediate

Water

Water Use High

Drought Tolerance Medium

Flood Tolerance High

Soil

Soil Types Loam, Sand

CaCO3 Tolerance High

Fertility Need Low

Stress Tolerance

Fire Tolerance High

Salt Tolerance Low

Climate

pH Range 6.0 – 8.5

Frost-Free Days 120 days

Precipitation 20 – 30 in

Ecosystem & Wildlife

Pollinators Native Bees; Beetles, Wasps, Flies; Butterflies; Larval Host (Butterfly); Larval Host (Moth); Wind

Larval Host Agapema homogena, Anacampsis sacramenta, Antheraea polyphemus polyphemus, Aristotelia fungivorella, Aristotelia salicifungiella, Automeris io, Caloptilia stigmatella, Hemileuca eglanterina, Hemileuca maia maia, Hemileuca nevadensis, Hemileuca nevadensis -complex, Hyalophora cecropia, Hyalophora columbia gloveri, Hyalophora euryalus, Hyalophora kasloensis, Hyles lineata, Limenitis archippus, Limenitis weidemeyerii, Malacosoma disstria, Micrurapteryx salicifoliella, Nymphalis antiopa, Papilio rutulus, Phyllonorycter salicifoliella, Rothschildia lebeau forbesi, Saturnia homogena, Saturnia mendocino, Satyrium acadicum, Satyrium sylvinum

Fall Color No

Evergreen No

Native Range

CAN: Alberta, British Columbia
USA: Arizona, California, Colorado, Idaho, Kentucky, Montana, Nebraska, Nevada, New Mexico, Oklahoma, Oregon, Tennessee, Texas, Utah, Washington, Wyoming
MEX: Mexico Gulf, Mexico Northeast, Mexico Northwest

Regional Native Status: L48 (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.