SelecTree: Tree Detail

LEMON-SCENTED GUM
Corymbia citriodora

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Photo Locations: Los Angeles County Arboretum - Arcadia, CA, San Luis Obispo, CA, Cal Poly Campus - San Luis Obispo, CA, Lotusland - Santa Barbara, CA and Santa Barbara Library - Santa Barbara, CA

General Notes

Smog tolerant. Bark can be a litter problem. Hardiness estimate: 24-28 degrees F.

Has fragrant Leaf.

Native to Northeastern Australia.

A Corymbia citriodora in Goleta is registered as a California Big Tree. It measures 142 feet high, with a trunk circumference of 165 inches and a crown spread of 96 feet.

Family: Myrtaceae

Synonyms

Eucalyptus citriodora

Additional Common Names

LEMON-SCENTED GUM, BLUE SPOTTED GUM

Tree Characteristics

Erect or Spreading and requires ample growing space.

Oval Shape.

Has Evergreen foliage.

Height: 80 - 160 feet.

Width: 50 - 100 feet.

Growth Rate: 36 or More Inches per Year.

Longevity 50 to 150 years.

Leaves Lanceolate, Light Green, No Change, Evergreen.

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

Brown Capsule, Small (0.25 - 0.50 inches), fruiting in Spring.

Bark Striking, Cream, Pink, Light Gray or Multicolored, Exfoliating or Smooth.

Shading Capacity Rated as Moderate in Leaf.

Litter Issue is Dry Fruit, Twigs and Bark.

Tree Site Conditions & Constraints

Sunset Zones 5 - 6 and 8 - 24.

USDA Hardiness Zones 8 - 10.

Exposure Full Sun to Partial Shade.

Wet to Dry Soil.

Drought tolerant.

Loam or Sand Texture.

Slightly Acidic to Highly Alkaline Soil pH.

Seaside Tolerance is Good in Mild Zone.

Pests & Disease Information

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

Biogenic Emissions considered High.

Fire Resistance is Favorable.

Attracts Birds and Bees.

Not Deer Palatable.

Cite this tree:
SelecTree. "Corymbia citriodora Tree Record." 1995-2017. Sep 23, 2017.
< http://selectree.calpoly.edu/tree-detail/corymbia-citriodora >

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.