I have 10 grape vines that have overgrown and are not producing. Can I cut them right back to the ground so that I can start over and put in new supports and tend to them better or will I lose the plants by cutting too drastically?
You can't cut them back to the ground. It will kill the plants. We have a vineyard in California and my husband has started pruning them. If you prune too early you can get diseases. I would look on the internet for a site that would tell you how to prune them. It is hard to explain in this letter. They also have to be pollinated by bees to have grapes.
I have grape vines in my back yard and they do produce white grapes in the fall. I am in Nova Scotia Canada so our weather is cold. One tip I would try is putting all your egg shells crushed at the root in the soil. They seem to love the shells. I don't know about cutting back. Try the egg shells and hope it helps. Sharon from Canada.
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