SelecTree: Tree Detail

SWAMP MAHOGANY
Eucalyptus robusta

Eucalyptus robusta Eucalyptus robusta Eucalyptus robusta Eucalyptus robusta Eucalyptus robusta Eucalyptus robusta

Photo Locations: Los Angeles County Arboretum - Arcadia, CA and Pasadena, CA

General Notes

Smog tolerant. Bark can be a litter problem. Hardiness estimate: 11-15 degrees F.

Has fragrant Leaf.

Native to Southeastern Australia.

An Eucalyptus robusta in Claremont is registered as a California Big Tree. It measures 116 feet high, with a trunk circumference of 177 inches and a crown spread of 78 feet.

Family: Myrtaceae

Tree Characteristics

Erect or Spreading and requires ample growing space.

Rounded Shape.

Has Evergreen foliage.

Height: 60 - 75 feet.

Width: 30 - 75 feet.

Growth Rate: 36 or More Inches per Year.

Longevity 50 to 150 years.

Leaves Ovate, Glossy Dark Green, No Change, Evergreen.

Maroon, Pink or White. Flowers in Fall, Winter, Spring or Summer. Has perfect flowers (male and female parts in each flower).

Brown or Mostly Green Capsule, Small (0.25 - 0.50 inches), fruiting in Spring, Summer or Fall Wildlife use it.

Bark Dark Brown or Red Brown, Exfoliating or Furrowed.

Shading Capacity Rated as Dense in Leaf.

Litter Issue is Dry Fruit, Twigs and Bark.

Tree Site Conditions & Constraints

Sunset Zones 5 - 6 and 8 - 24.

USDA Hardiness Zones 9 - 10.

Exposure Full Sun to Partial Shade.

Wet to Dry Soil.

Drought tolerant.

Clay, Loam or Sand Texture.

Slightly Acidic to Highly Alkaline Soil pH.

Salinity Tolerance is Good Inland and on Coast.

Seaside Tolerance is Good in Moderate Zone.

Pests & Disease Information

Resistant to Texas Root Rot and Verticillium. Susceptible to Beetle Borers, Oak Root Rot, 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

Riparian.

Cite this tree:
SelecTree. "Eucalyptus robusta Tree Record." 1995-2018. Apr 23, 2018.
< https://selectree.calpoly.edu/tree-detail/eucalyptus-robusta >

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.