![]() It is hard to beat for home gardeners or commercial sales. The Concord variety has that true grape flavor and has been planted for a century. Your local Extension Office, local library or internet should be able to assist you in obtaining additional information. Learning to prune grapevines requires practice and experience. ![]() The best time to prune grapevines is in the dormant season after the danger of severe cold weather has past, In northern United States, this is usually in March. Please consult label directions for proper use.Īnnual pruning is important in maintaining a uniform yearly production of quality fruit. Captan will control harvest rots if used properly. Do not use this chemical near or aound your grapes. Grapes are very sensitive to many chemicals, particulary herbicides containing 2-4-D. In the second year, triple 15 fertilizer can be used, sprinkled in a 6-8 diameter around the plant. The fertilizer tends to promote too much vegetative growth. There is no need to fertilize the first year. Cultivate the youn vines until they become established. Prune each shoot back 2-3 buds, leaving 4-6 buds on the plant. If there are more than two shoots coming out of the top of the plant, it can be trimmed to the two strongest shoots. Set the plant slightly deeper than it was grown in the nursery. Spread out the roots horizontally and backfill with dirt. ![]() Balling up the roots inside a hole that is too small may kill the plant so increase the size of the hole if necessary. There is no need to trim to roots prior to planting. Make sure to dig a hole big enough to spread out the roots. Bareroot grapevines need approximately 2 weeks of 70 degree air temperature in order to break dormancy and grow so planting before conditions are right is to no advantage. Grapes should be planted in early spring in North/South rows. Once the grape are established and properly maintened, they will give you years of bountiful havests. Do not damage trunks with a hoe or chemicals. A clean area 1 1/2 to 2 feet on each side of the vine is necessary. Control weeds by hand hoeing or with plastic or organic mulch. It is important that cultural practices of maintaining soil fertility, weed control, soil moisture conservation, and insect and disease control be followed. The first full crop, however, will not be produced until about the fourth or fifth year. You may be able to harvest a light crop the third season. Patience is the virtue in strarting your new vineyard. Areas with high temperatures and high humidity persent problems because grapes are susceptible to diseases which thrive under these conditions. If you live in an area with extremely severe winter temperatures with no real protection, it will be difficult to grow some varieties. Light soils tend to produce light yields or early-maturing fruit with a high sugar content and comparatively weak vine growth. The soil exerts considerable influence on the crop with a low sugar content. Vine growth is improved by adding organic matter to the soil. Grapes will grow in many different soils. These are central themes in commercial viticulture-full sun, well drained soils and good air drainage. Vines planted next to woods or a structure may suffer if airflow is restricted. In addition, good airflow within a grapevine canopy is absolutely essential for minimizing humidiy and fungal disease. Poorly drained soils hold more water and will grow large, shaded vines with small amunts of poor quality fruit. In addition to full sun, soils must be well-drained. This will grow rank vines that are large, shaded and unproductive. ![]() Due to erosion, topsoil tends to cellect in low areas, resulting in a deep, heavy topsoil layer. In winter, low-lying spots on a property will have lower temperatures, making the vines more susceptible to winter injury. Avoid low spots where cold air collects as this could result in spring frost injury. If vines are shaded, growth may be weak and spindly.
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