This variable tree has a greyish trunk up to half its height with arched spreading smooth branches that from a broad to narrow domed crown. It has glossy green oval leaves and the white flowers appear in cluster during summer followed by woody fruit.

Hardiness zones 9 to 11 

Eucalyptus populnea is naturally found in Australia from inland south-eastern Queensland to north-east New South Wales growing on the open plains and adjoining hillsides in woodlands then extending to the coast in the north. 

It grows in dry or seasonally inundated heavy clay soils in an open sunny position and is drought and light frost tolerant.

The Poplar Box is grown for its hardiness and its spreading habit. It is planted in parks, large gardens and in farms as a wind break or shelter belt. It is also used along roadsides tolerating heavy soils and establishes in 3 to 5 years. It is suitable for dry inland regions and is used for koala food and honey production. ID 2400

Note:
It is a difficult tree to eradicate as it suckers freely after being cut down and the wood is strong and durable. 

Eucalyptus (ew-ka-LIP-tus) populnea (pop-ool-NEE-ah)

Myrtaceae (mir-TAY-see-ee)
Myrtle, Eucalyptus, Clove and Guava Family