Helping You Become a More Successful Gardener
Michael Charters, www.calflora.net
This large, evergreen tree is native to Northern Australia. The wood is extremely hard and difficult to work with but is excellent for firewood and makes long-lasting fence posts. Its trunk may be single or multi-stemmed and is often crooked. Rough, gray, platy and furrowed bark lines the trunk and adds landscape interest. The gray-green to blue-green leaves are long, lance-shaped and highly aromatic. They are flattened, smooth and flutter in the breeze. The flower clusters are grouped in branched stems at the ends of the branches. Each bloom is small and bristly with many white filaments. The small fruit is a light green conical capsule that ages to tan and is filled with black seeds.
Coolibah trees have a dense, rounded shape and are wind resistant. They are one of the most commonly planted eucalyptus species in the southwestern United States because they are lovely and easy to grow. Plant them in full sun and perfectly drained soil with average to poor fertility. Coolibah is quite cold tolerant, and will withstand below freezing temperatures. It is medium to fast growing and reaches a substantial size, so plant it where there is plenty of space. Prune while young to develop the desired stem number and branch structure. Coolibah trees are useful as shade and specimen trees. They also help to control erosion, so they are often planted to conserve soil.
10 - 11
H1, H2, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
30'-60' / 9.1m - 18.3m
24'-54' / 7.3m - 16.5m
Fall, Late Fall, Early Winter, Winter, Late Winter
Clay, Loam, Sand
Xeric/Desert, Drought Tolerant
Spring, Summer, Fall, Winter
Feature Plant, Shade Trees, Street Trees
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