How to prune concord grape vines. Cut the tops off the canes during pruning season when they have reached the desired height. When removing these weak shoots cut them at least half or one quarter of an inch above. Grape vines produce fruit on one year old wood and thats it seriously. Do not prune during periods of severe frost or after the sap starts to rise.
Choose 4 young healthy trailing grapevines. Select seven or eight healthy lateral. The bottom one is usually about 3 feet from the ground while the other about 5 feet. How to prune concord grapevines prune back to two canes in the first winter after planting.
The easiest way to prune grape varieties that dont require winter protection is by using the four arm kniffen method. When you hold the shears in your hand make sure that the cut you make is at a 45o angle to the bud. When the plant sprouts in the spring and grows a new shoot that shoot turns from green to brown at the end of the growing season. Canes older than 2 years dont produce fruit.
Now after all the dead and dried ones are removed its time to focus on the weak looking shoots. How to prune concord grapevines. Remove all the canes older than 2 years where they attach at the vine using lopping or pruning shears. Once youve chosen 4 vines cut everything else off the grape plant.
Pruning grape vines isnt something you do for cosmetic reasons. The next step is to prune the side branches that are growing on your main trailing. This method involves using two horizontal wires to support the vine rather than one. Prune in late winter when the vines are dormant.
Make the cuts at a 45 degree upward angle to. If you dont prune your vines you wont get much fruit. Pruning grapes step 1. An upper right lower right upper left.