Answer: Most grapes are propagated vegetatively rather than by seeds. One of the reasons for this is to preserve the characteristics of the desirable vine rather than take a chance on the variations that occur among seedlings. A seedless variety would of course have to be propagated this way.
The plants are then sold as bare root plants or in some cases as container stock. Container stock would be planted at the same depth as it grew in the pot and can be p[lanted at any time the ground can be dug. The bare root stock is usually only available in early spring and would be planted at the same depth as it grew originally. These are normally planted in very early spring so they can come out of dormancy naturally with the season.
The vines are usually trained to a trellis of desired height such as an arbor in the yard or a series of wires in the field. They are pruned back very hard each winter to stimulate new vine growth and subsequent fruiting. Most vines are also treated with a routine spray program to keep them healthy and productive.
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