I am sorry for this delayed reply to your gardening question. The spring rush has brought a deluge of questions and we are working hard to catch up!
The best green apple for Dallas is the Granny Smith. The trees are grafted on to rootstocks that vary in their degree of dwarfing. Check with the garden center where you buy the plant for its expected size. As a very general guide most such trees should be able to be kept at about 10-12 feet in size. They should begin fruiting in 3-5 years. See the following web site for planting info and additional tips:
Thanks for the question. Best wishes for a wonderful gardening season. Please stop in again soon!
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