Can you prune Concord grapes in the summer? I have some grapes that I planted 2 years ago and want to know if it would be ok to prune some of the vines that have not reached the top wire. Will it hurt them or should I wait til next spring to prune. I have attached some pictures. Any advice will be appreciated.
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This is a video on muscadines and getting them to the wire. I think what he is doing applies to grapes also. Good luck
https://www.youtube.com/watch?v=3BBtr91Oh90&t=304s
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