Hi!  found this forum because I was looking for info on a Bloomsweet grapefruit tree that I bought today at Brazos Citrus Nursery.  I asked the owner for 10 cold hardy trees not knowing what I would get.  From this forum there was quite a lot to learn about the gentics .  I live in Texas on the Brazos river and have about 50 diferent fruit trees and nuts.   I have a few trees that are frozen and have live root stock to graft back new varietys.  My hardiest citrus is the Texas republic orange.  I bought 4 Kumquat today and calamondin.   I