Grape Vine Pruning - Knowledgebase Question

Listowel, ON
Question by jcarmstr
September 4, 1998
I've checked with your archives and found my answers for mulching pruning and small fruit...but does this all apply to a more northern climate where winter damaged from freezing temps is more prevelant? When is late winter? We haven't had good maple syrup for about three years!!!

Answer from NGA
September 4, 1998


Grape vines are generally pruned back when the plant is dormant. If you prune while the fluids are still coursing through the vines, the cut will drip copious amounts of water and minerals. This is not detrimental to the plant, but often causes alarm with gardeners, and can be messy if you're standing under an arbor where grape vines have been recently pruned. Pruning late in the summer season can encourage new growth, which is more susceptible to winter damage because it won't have time to mature. Prune your grape vines before they bud out in the spring. The exact timing will depend upon your local climate, but February is a good time to do late winter pruning.

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