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M. Ritter, J. Reimer and C. Stubler
Photo Locations:
Cal Poly State University - San Luis Obispo, CA, San Francisco, CA, Milpitas, CA and Santa Barbara, CA
BLACKWOOD ACACIA
Acacia melanoxylon
General Notes
Grows best in light, well-drained, fertile soil. A timber species in Australia. Cal-IPC (California Invasive Plant Council) classifies the invasiveness of this plant as limited. Native to Eastern Australia.
An Acacia melanoxylon in Fremont is registered as a California Big Tree. It measures 56 feet high, with a trunk circumference of 150 inches and a crown spread of 69 feet.
List all Fabaceae | Acacia
- Acacia melanoxylon - Fabaceae
- Synonyms:
Common Names: Blackwood Acacia, Black Acacia, Sally Wattle - Native To: Eastern Australia. Cal-IPC (California Invasive Plant Council) classifies the invasiveness of this plant as limited.
- Habit: Erect or Spreading
with a High Canopy.
Has Evergreen foliage. - Shape: Conical or Rounded
- Sunset Zones: 8, 9 and 13 - 24
- USDA Hardiness Zones: 9 - 11
- Exposure: Full Sun to Partial Shade
- Water Needs: Wet to Dry Soil. Drought tolerant.
- Soil Type: Loam or Sand
- Soil pH: Slightly Acidic to Highly Alkaline
- Salinity Tolerance: Good Inland
- Seaside Tolerance: Good in Mild Zone
- Height: 40 - 80 feet
- Canopy Width: 20 - 40 feet
- Growth Rate: 36 or More Inches per Season
- Landscape Use: Pollarding.
- Longevity: 50 to 150 years
- Leaves: Oblanceolate Gray Green or Dark Green. Evergreen.
- Flowers: Showy, Cream or White. Flowers in Spring. Has perfect flowers (male and female parts in each flower).
- Fruit: Brown or Purple Pod, Very Large (Over 3.00 inches), fruiting in Winter or Summer.
- Bark: Black or Dark Brown, Furrowed
- Pest & Disease: Susceptible to Beetle Borers and Thrip, Phytophthora and Root Rot
- Shading Capacity: Rated as Dense in Leaf
- Branch Strength: Rated as Weak
- Litter Issue: Dry Fruit
- Root Damage Potential: Rated as High
- Health Hazard: Allergy
- Biogenic Emissions: Moderate
Cite This Page:
SelecTree. "Acacia melanoxylon Tree Record." 1995-2012. May 20, 2013.
< http://selectree.calpoly.edu/treedetail.lasso?rid=28 >
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