Aria wrote:

Do you have to plant more than one tree to ensure pollination? Or does that
have nothing to do with it? I really want a lemon tree but don't know if I
need to buy two....

Not only are citrus self-pollinating, but they are also apomictic.
This means some of the flowers will set fruit without being
pollinated at all.

--

David E. Ross
http://www.rossde.com/

I use Mozilla as my Web browser because I want a browser that
complies with Web standards. See http://www.mozilla.org/.