SelecTree: Tree Detail
Photo Locations: Cal Poly State University - San Luis Obispo, CA
Tropical. Rarely found in California.
In its native region, Karri is a commercially important timber species. Its leaves are dark green on top and much lighter underneath. The tree's scientific name (diversicolor) refers to this distinguishable color difference in the leaves. It is the tallest tree in Western Australia, sometimes growing to almost 300 feet tall, and one of the tallest hardwood flowering plants in the world.
Has fragrant Leaf.
Native to Southwestern Western Australia.
An Eucalyptus diversicolor in Cal Poly, San Luis Obispo is registered as a California Big Tree. It measures 154 feet high, with a trunk circumference of 201 inches and a crown spread of 74 feet.
Erect or Spreading and requires ample growing space.
Has Evergreen foliage.
Height: 90 - 210 feet.
Growth Rate: 36 or More Inches per Year.
Longevity 50 to 150 years.
Leaves Lanceolate, Dark Green, No Change, Evergreen.
White. Flowers in Summer or Fall. Has perfect flowers (male and female parts in each flower).
Brown or Mostly Green Capsule, Very Small (Under 0.25 inches), fruiting in Fall Wildlife use it.
Bark Cream or Blue Gray, Exfoliating or Smooth.
Shading Capacity Rated as Moderately Low in Leaf.
Litter Issue is Dry Fruit.
Tree Site Conditions & Constraints
Sunset Zones 5 - 6 and 8 - 24.
USDA Hardiness Zones 9 - 10.
Exposure Full Sun to Partial Shade.
Wet to Moist and Well Drained Soil.
Loam or Sand Texture.
Highly Acidic to Neutral Soil pH.
Salinity Tolerance is Moderate Inland.
Seaside Tolerance is Good in Mild Zone.
Pests & Disease Information
Resistant to Texas Root Rot and Verticillium. Susceptible to Beetle Borers, Armillaria, Phytophthora and Root Rot.
Health, Safety & Environmental Concerns
Branch Strength Rated as Medium.
Root Damage Potential Rated as Moderate.
None Known Health Hazard.
Desirable Wildlife Plant.
Attracts Birds and Bees.
Not Deer Palatable.
Wildlife use Fruit.
Special Uses & Values
Windbreak or Shade Tree.
Cite this tree:
SelecTree. "Eucalyptus diversicolor Tree Record." 1995-2020. Aug 14, 2020.
< https://selectree.calpoly.edu/tree-detail/eucalyptus-diversicolor >