The author of the post I read recommends using Klee Klamp fittings. Train the vines to grow along the top and middle wire between the posts, continuing to tie them every 12 inches (30.5 cm.).Īnother idea for supporting a grapevine is by using pipes. Keep a close eye on the ties and remove those that become too tight and re-secure with a new tie. Continue to tie the vine every 12 inches (30.5 cm.) as it grows.Īs the vine matures, it thickens and the ties can cut into the trunk, causing damage. Tie the vine to the center post with landscape ties or twine at 12 inches (30.5 cm.) high. Wrap the galvanized wire around the screws from one post to the other at both the 3-foot (1 m.) and 5-foot mark (1.5 m.). Add another set of screws near the top of the posts at around 5 feet (1.5 m.). Measure 3 feet (1 m.) up the posts and drive two screws halfway into the posts on either side. Pound or dig a hole between the other two posts for a center post and backfill. Pound or dig a hole for another post about 6 to 8 feet (2 m.) from the first and backfill as before. Backfill the hole with a mix of soil and fine gravel to solidify the pole. If your poles are more than 3 inches (7.5 cm.) across, this is where a hole digger comes in handy. Leave 2 inches (5 cm.) of space between the pole and the vine. Pound a pole 6 inches (15 cm.) or so into the ground behind the vine. You will also need at least 9-gauge galvanized aluminum wire or up to 14 gauge, again depending upon the size of the vine. The post should be 6 ½ to 10 feet (2-3 m.) in length, depending on the size of the vine and you will need three of them. This system uses posts that are either wood treated for ground use, PVC, or galvanized steel or aluminum. Most people use a vertical trellis system. These horizontal lines hold the canes in place. Two parallel wires are attached horizontally to the ends of 4-foot (1 m.) long cross arms secured to posts 6 feet (2 m.) above ground. One wire attaches to the post about 3 feet (1 m.) above ground and is used for trunk support. A vertical trellis uses two wires, one about 3 feet (1 m.) above ground to allow for good air circulation under the vines, and one about 6 feet (2 m.) above ground.Basically, you have two choices: a vertical trellis or a horizontal trellis. There are a number of ways to support a grapevine. Also, support allows a greater area of the vine to gain sunlight and air. If the fruit is left in contact with the ground, it will likely rot. Support is needed for grapevines to keep the new shoots or canes and fruit off the ground.
#Grape trellis how to
The following article discusses ideas on how to make a grapevine support. There are many types of grapevine support structures– from simple to complex. Of course, grapevines can be allowed to climb up an existing fence to lend them support, but if you don’t have a fence where you want to put the grapevine, another method of supporting the grapevine must be found.
As the vines mature, they tend to get woody and that means heavy. Grapes are woody, perennial vines that just naturally like to clamber up things.
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