SelecTree: Tree Detail

QUEENSLAND KAURI
Agathis robusta

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Photo Locations: San Diego Botanic Garden - Encinitas, CA, Los Angeles County Arboretum - Arcadia, CA, Foster Botanical Garden - Honolulu, HI, Alameda Plazas and Alice Keck Park Memorial Garden - Santa Barbara, CA, San Marcos Growers - Santa Barbara, CA and Santa Barbara City College

General Notes

Drought and frost sensitive. A water loving tree. Grows in rain forests and is valued for its lumber.

Native to Eastern Queensland, Australia.

Family: Araucariaceae

Additional Common Names

QUEENSLAND KAURI, SMOOTH-BARKED KAURI

Tree Characteristics

Erect or Spreading and requires ample growing space.

Columnar Shape.

Has Evergreen foliage.

Height: 80 - 150 feet.

Growth Rate: 24 Inches per Year.

Longevity 50 to 150 years.

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

. Has separate male and female flowers on the same tree (monoecious).

Cone, Very Large (Over 3.00 inches), fruiting in Fall.

Bark Dark Brown or Light Green, Scaly or Smooth.

Shading Capacity Rated as Moderate to Dense in Leaf.

Tree Site Conditions & Constraints

Sunset Zones 15 - 16 and 20 - 23.

USDA Hardiness Zones 9 - 12.

Exposure Full Sun.

Wet to Moist Soil.

Clay, Loam or Sand Texture.

Highly Acidic to Slightly Alkaline Soil pH.

Seaside Tolerance is Not Suited.

Health, Safety & Environmental Concerns

Root Damage Potential Rated as High.

None Known Health Hazard.

Cite this tree:
SelecTree. "Agathis robusta Tree Record." 1995-2019. Nov 22, 2019.
< https://selectree.calpoly.edu/tree-detail/agathis-robusta >

SelecTree Nursery Connection Map
Cal Poly / ESRI