SelecTree: Tree Detail
Photo Locations: Ruth Bancroft Garden - Walnut Creek, CA, Lotusland - Santa Barbara, CA, Los Angeles County Arboretum - Arcadia, CA and Cal Poly State University - San Luis Obispo, CA
Branches used for floral arrangements.
Has fragrant Flower.
Native to Eastern Australia.
Additional Common Names
KNIFE ACACIA, KNIFE-LEAF WATTLE, DOGTOOTH WATTLE
Rounded or Vase Shape.
Has Evergreen foliage.
Height: 10 - 20 feet.
Width: 10 - 15 feet.
Growth Rate: 24 to 36 Inches per Year.
Longevity Less than 50 years.
Leaves Falcate, Blue Green or Silver Gray, No Change, Evergreen.
Flowers Showy. Fragrant Yellow. Flowers in Spring. Has perfect flowers (male and female parts in each flower).
Brown Pod, Large (1.50 - 3.00 inches), fruiting in Fall, Winter or Summer.
Bark Dark Brown or Light Green, Furrowed or Smooth.
Shading Capacity Rated as Moderately Dense in Leaf.
Litter Issue is Dry Fruit.
Tree Site Conditions & Constraints
Sunset Zones 13 - 24.
USDA Hardiness Zones 9 - 10.
Exposure Full Sun to Partial Shade.
Moist to Dry Soil.
Clay, Loam or Sand Texture.
Slightly Acidic to Slightly 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 Health Hazard.
Not Deer Palatable.
Special Uses & Values
Cite this tree:
SelecTree. "Acacia cultriformis Tree Record." 1995-2019. Jan 22, 2019.
< https://selectree.calpoly.edu/tree-detail/acacia-cultriformis >
SelecTree Nursery Connection Map
Cal Poly / ESRI