SelecTree: Tree Detail

WHITE WILLOW
Salix alba

Salix alba Salix alba Salix alba Salix alba Salix alba Salix alba Salix alba Salix alba

Photo Locations: Morton Arboretum - Lisle, IL

General Notes

Needs ample water. Texas root rot problem in desert. Cultivars are favored over species.

Trees may be referred to as male or female.

Family: Salicaceae

Tree Characteristics

Erect, Spreading or Weeping and requires ample growing space.

Rounded, Umbrella or Vase Shape.

Has Deciduous foliage.

Height: 50 - 80 feet.

Width: 40 - 70 feet.

Growth Rate: 36 or More Inches per Year.

Longevity Less than 50 years.

Leaves Lanceolate, Medium to Light Green, Gold, Deciduous.

Flowers Inconspicuous. Flowers in Spring. Has either male or female flowers (dioecious). Trees may be sold as male or female.

Brown Capsule, Very Small (Under 0.25 inches), fruiting in Summer.

Bark Dark Brown to Yellow Brown, Fissured.

Shading Capacity Rated as Dense in Leaf.

Shading Capacity Rated as Moderately Dense out of Leaf.

Litter Issue is Dry Fruit and Twigs.

Tree Site Conditions & Constraints

Sunset Zones 1 - 11 and 14 - 24.

USDA Hardiness Zones 2 - 8.

Exposure Full Sun to Partial Shade.

Wet to Moist Soil.

Clay, Loam or Sand Texture.

Highly Acidic to Highly Alkaline Soil pH.

Seaside Tolerance is Good in Mild Zone.

Pests & Disease Information

Resistant to Verticillium. Susceptible to Aphids, Beetle Borers, Caterpillars and Spider Mites, Anthracnose, Willow Blight, Armillaria, Phytophthora, Root Rot, Rust and Sooty Mold.

Health, Safety & Environmental Concerns

Branch Strength Rated as Weak.

Root Damage Potential Rated as High.

Allergy Health Hazard.

Special Uses & Values

Riparian.

Cite this tree:
SelecTree. "Salix alba Tree Record." 1995-2018. Sep 20, 2018.
< https://selectree.calpoly.edu/tree-detail/salix-alba >

This tree is not part of the SelecTree Nursery Connection. If you would like to see this tree listed, or know of a nursery that sells it, please contact us at ufei@calpoly.edu.