Feijoa Sellowiana or Pineapple Guava.
Evergreen tree-like shrub with silver green leaves and pink/red fluffy flowers in Summer. Drought tolerant once established, but lack of water will cause fruit to drop, does not like to be kept too wet. Flowers come in early summer and have fleshy petals.
May not produce fruit if subject to frosts.
Prefers sheltered partially shady areas.
Also available as an evergreen tree.