Narrowleaf Willow

Salix exigua Nutt. - Willow family

Size

Mature Height: Up to around 10.0 feet

Planting Distance: 6.0 feet

Plant Type: Tree, Shrub

Root Depth: 20 inches

Growth Form: Rhizomatous

Growth Rate: Rapid

Features

Flower Color: Yellow

Conspicuous Flowers: No

Bloom Time: Early Spring

Seasonal Growth: Spring and Summer

Evergreen: No

Fall Colors: No

Conditions

Shade Tolerance: Intermediate

Clay Soil Tolerance: No

Sandy Soil Tolerance: Yes

Drought Tolerance: Medium

Flood Tolerance: High

Fire Tolerance: High

Salt Tolerance: Low

Ecosystem Interactions

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

Larval Species depending on Narrowleaf Willow: 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

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.