Answer: It is best to prune each winter when the tree is fully dormant and has dropped all its leaves - this is when it is easiest to see the branch structure. With caution, prune away any damaged branches, any branches located in a poor area like a roof, wires, etc. You can certainly prune off any low hanging or othwerise poorly located branches at any time of the year. Here is a webpage of good general pruning advice, so that you prune the best way, without causing harm to the tree's structure and
Hope this information helps!
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