RE: Avocado Trees Are Flowering Post By (Guest Post) (05/10/2008) I don't know the care for them, but I do know you have to have a male and female tree or at least one of the opposite of what you have near by. My grandmother had a female tree and a neighbor had a male. She had wonderful avocados, which she shared with the neighbor. Hopefully someone around you has the opposite of yours. Good luck. ... View related article.