Vine Layer Forest Design Plants covers all the climbing plants like grapes, some blackberries, and maypop. This layer doesn’t really fall in between any of the other layers and is really a layer all unto itself.
According to the Permaculture Research Institute, there are 7-Layers in a food forest. They are; canopy, understory, shrub, herbaceous, ground cover, vine/climbers, and root/tuber yield.
Please click on the picture below to be taken to information on that particular plant.