SelecTree: Tree Detail
Photo Locations: Boyce Thompson Arboretum - Superior, AZ, UC Davis Arboretum - Davis, CA, Los Angeles County Arboretum - Arcadia, CA and Other
Drought and frost resistant in adapted zones. Best in dry soils. Saline tolerant.
Native to Australia.
Additional Common Names
WILLOW ACACIA, AUSTRALIAN WILLOW
Spreading or Weeping with a Low Canopy.
Has Evergreen foliage.
Height: 20 - 40 feet.
Width: 15 feet.
Growth Rate: 36 Inches per Year.
Longevity Less than 50 years.
Leaves Linear, Bluish Green or Silver or Gray Green, No Change, Evergreen.
Flowers Showy. Cream, Orange or Yellow. Flowers in Spring or Winter. Has perfect flowers (male and female parts in each flower).
Brown Pod, Very Large (Over 3.00 inches), fruiting in Winter or Spring Wildlife use it.
Bark Dark Gray or Light Gray, Furrowed or Rough.
Shading Capacity Rated as Moderately Dense in Leaf.
Litter Issue is Dry Fruit.
Tree Site Conditions & Constraints
Sunset Zones 8, 9 and 12 - 24.
USDA Hardiness Zones 7 - 10.
Exposure Full Sun to Partial Shade.
Moist to Dry Soil.
Clay, Loam or Sand Texture.
Slightly Acidic to Highly Alkaline Soil pH.
Seaside Tolerance is Good in Mild Zone.
Pests & Disease Information
Susceptible to Invasive Shot Hole Borer, Root Rot.
Health, Safety & Environmental Concerns
Branch Strength Rated as Weak.
Root Damage Potential Rated as Low.
Allergy and Poisonous Health Hazard.
Desirable Wildlife Plant.
Not Deer Palatable.
Wildlife use Fruit.
Special Uses & Values
Cite this tree:
SelecTree. "Acacia salicina Tree Record." 1995-2020. Jul 11, 2020.
< https://selectree.calpoly.edu/tree-detail/acacia-salicina >