As with any houseplant, you need to understand what a lemon tree needs before you get started growing one yourself. From the ...

An olive tree is another plant that you want to keep far away from your lemon tree because they can share similar diseases like root rot and canker. Many other trees, like orange trees, will also ...

Olive and lemon trees can get some of the same diseases, including root rot, canker, and anthracnose. According to Sons, it’s never a great idea to plant these trees next to each other.