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Grape Futures

My Rationale for Pruning so Late

Today I put the finishing touches on pruning my grapevines. Yes, it’s late: The buds have already swollen and expanded into clusters of small leaves. But there’s “method in my madness,” or, at least, my tardiness.

Vanessa grapes

My vines often experience some winter damage, some varieties — New York Muscat, Reliance, and Vanessa, for instance — more than others. Waiting to prune until I see some green saves me from cutting off too many living canes and saving too many dead canes. In winter it’s not so easy to tell them apart.

So I do mostly rough pruning in winter, lopping back canes that have to go whether they’re living or dead. Canes also need to be shortened, even those that are to be eventually saved.

Which brings me to another reason I left the final pruning until today. Plants generally make their earliest growth in …

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