This dioecious tree has an upright greyish trunk with spreading weeping branches forming an open conical habit. It has dark green needle-like foliage that turns blue-grey and the brown male flowers appear in spring followed by are cylindrical cone-like fruit. 

Hardiness zones 8 to 10 

Casuarina glauca is naturally found along the east coast of Australia from Queensland to New South Wales and Victoria, commonly growing around salt-water estuaries or along watercourses. 

It grows in moderately drained to well drained fertile sandy to clay loams in a protected semi shaded to full sun position. It is tolerant of drought; frost, saline or very alkaline soils and can grow in exposed positions.

The Swamp Oak is an attractive soft textured tree that is grown for its habit. It is planted in small to medium size gardens or parks and along watercourses as a soil binder. It is fast growing establishing in 2 to 3 years and is long lived. It is suitable for coastal or inland regions and is used as a specimen tree or for screen planting. ID 1068

Casuarina (kazh-yoo-ar-EYE-nuh) glauca (GLAW-kuh)

‘Casuarina’: Linnaean name: cassowary-like (refers to the drooping branches of some spp. which supposedly resemble the plumage of a cassowary); ‘glauca’: blue/grey/green colour.

Casuarinaceae (KAS-ew-rin-AY-see-ee)