Succulent, sweet, and a bit tangy at times, guava trees are an excellent addition to any arid garden. Guava is mainly grown in the tropics and will tolerate temperatures between 15 and 45C.

The "grotesque" baobab tree has long been known as the "tree of life" for its ability to create and maintain its own ecosystem in arid regions ... 9 have collapsed and died," the group said.