Casuarina is a genus of mostly Australian and Southeast Asian trees with needle-like green branchlets instead of true leaves. Grown members, such as the common she-oak, are tough, fast-growing trees suited to sunny, open sites.
Family
Casuarinaceae (Casuarin family)
Grows as
Tree
Light
Full sun
Water
Water regularly while young, then tolerate dry spells once established; many species like moist soil.
Soil
Well-drained sandy or loamy soil; tolerates poor and salty soils.
Temperature
Varies by species; most tolerate warm conditions, many are frost tender, protect young plants below about 0 °C.
How easy
Easy
About
Casuarina, also known as she-oak, Australian pine and native pine, is a genus of flowering plants in the family Casuarinaceae, and is native to Australia, the Indian subcontinent, Southeast Asia, islands of the western Pacific Ocean, and eastern Africa.
Plants in the genus Casuarina are monoecious or dioecious trees with green, pendulous, photosynthetic branchlets, the leaves reduced to small scales arranged in whorls around the branchlets, the male and female flowers arranged in separate spikes, the fruit a cone containing grey or yellowish-brown winged seeds.
Where it grows
Casuarina are attacked by a range of herbivorous insects.
Text excerpted from the Wikipedia article Casuarina by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.