For more photos and projects visit:br br Your grape orchard needs a strong, well build trellis if it's gonna continue to provide your grapes vines with the support they need to produce grapes for years to come.br br There’s a lot of different trellis systems out there depending on the grape variety and their attended purpose. I’m building a single wire High Cordon trellis because it’s the simplest to construct and maintain. It consist of one wire place about 5 feet above the ground, two end post to keep the wire tight as the grapes grow, and a few post in between the grapevines to prevent sagging.