Grapes serve as a fruit crop and a wine crop. It takes at least 165 to 180 frost-free days for a complete growing cycle. This includes the harvest time and acclimation of the wood for winter. valiant grape vines bear fruit on 1-year-old wood, so they need to be pruned to have a good harvest. Valiant grape vines can also grow out of control if they are not trained and snipped back to a desired form. Pruning also keeps the vines healthy.
Prune valiant grape vines in late winter or early spring. Trimming before the buds start growing ensures that you keep damage to a minimum.
Remove shoots that are growing against the direction of the rest of the valiant grape vine. Vines should be planted along a fence or trellis. Cut off shoots that are growing between the wires as opposed to along the wires. Snip them off at the base, where they meet the main stem of the plant.
Train the valiant grape vine by cutting off weak or damaged shoots. They are using nutrients and ruining the form of the plant.
Cut of small, secondary suckers and shoots growing out of the bottom of the main cane. They steal energy from the valiant grape vine. They may never develop enough to bear fruit, so cut them off where they touch the main stem.
Snip off dead foliage in the fall to improve the look of your grape vines. Target the stems that are brittle in texture, with no fruit yield. Removing them right before winter ensures the plant can use its energy on healthy foliage over the winter.