Granny Smith is a self pollinating variety. It is also an excellent pollinator of other variety apple trees. How old is the tree? (I'm assuming you got it in a pot?) I planted my apples bare root and it took 5-6 years to bear fruit. But an older tree in a pot, you'll probably get apples in 2-3 years. It needs 600 chilling hours each winter. (45 degrees or lower)
Semi Dwarf trees will still get pretty darn big.
Here's a lot of information on Granny Smith Apples:
http://www.orangepippin.com/apples/granny-smith
The tree I have is at least 5 - 6' tall. I may try to find a Crab Apple tree to plant with it. Do I need to worry about Deer or rabbits? I will surround it with hardware cloth just the same.
I bought a smaller enamel canner at the Farmers market. This way I can make my jelly and jam without having to eat up a big pot of water. Also I usually have an extra jar or two that has to be done by it's self so I'll same that way too.
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