SelecTree: Tree Detail

COOLIBAH
Eucalyptus microtheca

Eucalyptus microtheca Eucalyptus microtheca Eucalyptus microtheca Eucalyptus microtheca Eucalyptus microtheca Eucalyptus microtheca Eucalyptus microtheca Eucalyptus microtheca

Photo Locations: UC Santa Cruz Arboretum - Santa Cruz, CA and Phoenix, AZ

General Notes

Hardiness estimate: 5-10 degrees F. Produces little litter. Can grow much taller in its native habitat.

Has fragrant Leaf.

Native to Australia.

Family: Myrtaceae

Tree Characteristics

Erect or Spreading with a High Canopy.

Rounded Shape.

Has Evergreen foliage.

Height: 35 - 50 feet.

Width: 25 feet.

Growth Rate: 36 Inches per Year.

Longevity 50 to 150 years.

Leaves Linear, Blue Green, No Change, Evergreen.

Cream or White. Flowers in Spring or Winter. Has perfect flowers (male and female parts in each flower).

Brown or Mostly Green Capsule, Very Small (Under 0.25 inches).

Bark Dark Gray, Fibrous, Furrowed, Rough or Smooth.

Shading Capacity Rated as Dense in Leaf.

Litter Issue is Dry Fruit.

Tree Site Conditions & Constraints

Sunset Zones 5 - 6 and 8 - 24.

USDA Hardiness Zones 8 - 10.

Exposure Full Sun to Partial Shade.

Moist to Dry Soil.

Drought tolerant.

Clay, Loam or Sand Texture.

Slightly Acidic to Highly Alkaline Soil pH.

Salinity Tolerance is Good to Moderate Inland.

Seaside Tolerance is Good in Mild Zone.

Pests & Disease Information

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

Health, Safety & Environmental Concerns

Branch Strength Rated as Medium.

Root Damage Potential Rated as Moderate.

None Known Health Hazard.

Not Deer Palatable.

Cite this tree:
SelecTree. "Eucalyptus microtheca Tree Record." 1995-2018. Jan 22, 2018.
< http://selectree.calpoly.edu/tree-detail/eucalyptus-microtheca >

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.