SelecTree: Tree Detail
RIVER RED GUM
Photo Locations: Los Angeles County Arboretum - Arcadia, CA, Santa Barbara, CA and Cal Poly Campus - San Luis Obispo, CA
Bark and twigs can be a litter problem. Hardiness estimate: 12-15 degrees F.
Cal-IPC (California Invasive Plant Council) classifies the invasiveness of this plant as limited.
Has fragrant Leaf.
Native to Australia.
An Eucalyptus camaldulensis in San Luis Obispo, CA is registered as a California Big Tree. It measures 111 feet high, with a trunk circumference of 267 inches and a crown spread of 130 feet.
Additional Common Names
RIVER RED GUM, RED GUM
Erect or Spreading and requires ample growing space.
Oval or Rounded Shape.
Has Evergreen foliage.
Height: 45 - 150 feet.
Width: 45 - 105 feet.
Growth Rate: 36 or More Inches per Year.
Longevity 50 to 150 years.
Leaves Lanceolate, Medium Green, No Change, Evergreen.
Yellow or White. Flowers in Summer. Has perfect flowers (male and female parts in each flower).
Brown or Mostly Green Capsule, Small (0.25 - 0.50 inches), fruiting in Summer or Fall.
Bark Dark Brown, Green, Light Green or Multicolored, Exfoliating, Mottled or Smooth.
Shading Capacity Rated as Moderately 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.
Clay, Loam or Sand Texture.
Slightly Acidic to Highly Alkaline Soil pH.
Salinity Tolerance is Good Inland.
Seaside Tolerance is Good in Mild Zone.
Pests & Disease Information
Resistant to Oak Root Fungus, 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.
Allergy Health Hazard.
Biogenic Emissions considered High.
Fire Resistance is Unfavorable.
Attracts Birds and Bees.
Not Deer Palatable.
Special Uses & Values
Cite this tree:
SelecTree. "Eucalyptus camaldulensis Tree Record." 1995-2018. Apr 23, 2018.
< https://selectree.calpoly.edu/tree-detail/eucalyptus-camaldulensis >