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If the foundation is sound I don't think a tree that far out should be a problem. Soil and the type of foundation are factors though, brick...
It can be done with pines, but it is very slow. Another issue is that if you layer a branch, it will tend to stay a branch, and not want to grow...
Mine have done fine in a very windy & harsh zone 8a, so I'd say 7b is a good bet.