Jambu Air is water guava or Rose Apple and comes in three colours, red, white and pink. Before a Jambu Air tree bears fruits, the whole crown of the tree will be covered with prickly and hairy light colored blossoms.

A Jambu Air tree in bloom will spread a refreshing light fragrance in the air. Jambu Air tree grows quickly and easily and is quite hardy. The fruits are very juicy, though not exactly sweet or sour. The white variety is sweeter than its colored sisters, although the red ones are more juicy. Jambu Air is an important ingredient in the local salad, "Rojak."