SelecTree: Tree Detail
Photo Locations: Balboa Park - San Diego, CA, San Luis Obispo, CA and San Diego, CA, and Oahu, Hilo, Maui, HI
Typically planted as an ornamental and street tree in warm temperate climates. This is the only widely grown conifer in the Pacific Islands. Individuals always lean wherever they are planted. In the Northern Hemisphere they lean south and in the Southern Hemisphere they lean north. In Hawaii, Cook pines lean five to seven degrees southeast, on average. For the full leaning story, see Johns, et. al., Worldwide hemisphere dependent lean in Cook pines, Ecology, Volume 99, Issue 9, 2017. The Cook pine is often mistakenly referred to as a star pine or Norfolk Island pine, which is a different species: Araucaria heterophylla. Araucaria columnaris has a HPWRA (Hawaii Pacific Weed Risk Assessment) score of -5 (Low Risk), and the Plant Pono link is: https://plantpono.org/pono-plants/araucaria-columnaris/.
Native to New Caledonia.
Additional Common Names
COOK PINE, NEW CALEDONIAN PINE, COOK ISLAND PINE, COOK ARAUCARIA, COLUMNAR ARAUCARIA
Columnar or Conical Shape.
Has Evergreen foliage.
Height: 100 - 160 feet.
Width: 10 - 20 feet.
Growth Rate: 12 to 24 Inches per Year.
Leaves Small, Stiff and Triangular, Light Green, No Change, Evergreen.
Flowers Inconspicuous. . Has separate male and female flowers on the same tree (monoecious).
Cone, Large to Very Large (1.50 to 3.00 or more inches).
Bark Brown, Rough.
Tree Site Conditions & Constraints
Sunset Zones H1, H2.
USDA Hardiness Zones 10 - 11.
Clay, Loam or Sand Texture.
Salinity Tolerance is Coastal Good.
Seaside Tolerance is Good in Mild Zone.
Cite this tree:
SelecTree. "Araucaria columnaris Tree Record." 1995-2020. Jun 5, 2020.
< https://selectree.calpoly.edu/tree-detail/araucaria-columnaris >