Growing plants using Espalier Trellis What is Espalier Trellis? Espalier Trellis is a technique that teaches the plants and trees to grow flat. This technique was used by the ancient Romans in their courtyards where their space was limited. The process in which we use Espalier to train trees, woody vines and shrubs against a flat wall or fence doesn’t stop there, you can train them to grow on a freestanding object as well. To use Espalier Trellis, you need to prune the plant to make a vertical stem, then go on to send the side branches into the shape you desire. It can take a year or so depending…