Pruning Trees, Shrubs & Vines by Editors of Garden Way Publishing

Author:Editors of Garden Way Publishing
Language: eng
Format: epub
Publisher: Storey Publishing, LLC
Published: 1980-03-25T16:00:00+00:00

Grapes

Few plants respond to pruning more than grapevines. An overgrown, dense, unpruned vine will not receive enough light to ripen grapes well. Also, because the fruit is borne mostly on year-old wood, it is necessary to maintain an annual supply.

Grapes are pruned while the vine is dormant; usually this means early spring or late winter. Never handle a frozen cane; it is brittle and will snap off. If your winters are severe, and you expect a certain percentage of canes killed by the cold, don’t prune until the early spring when you can see which canes made it through the winter. If you handle the canes after spring growth has begun, however, you are almost certain to injure the tender buds.

Grapes will grow most anywhere in good, well-drained soil. The vines can be trained to any number of different systems involving an arbor or trellis. In fact the different systems could fill a book; different varieties are best suited for different trellis styles. The Four-Cane Kniffen System is preferred by many growers and it is as well adapted to the home garden. The supports for this trellis consist of two horizontal wires — the lower one runs about thirty inches and the upper sixty inches from the ground. The wires should be well-braced to prevent sagging.

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