Living deer barriers called hedgerows have been used for centuries for deer control as a fence that never needs repair.
Living deer barriers are esthetically pleasing and natural and have many advantages over steel wire and post fences. However it often takes a long time for the barrier to be thick enough and strong enough to repel deer. A living deer fence will often work better than expected simply because deer will usually take the path of least resistance. Caution is required because many of the plants that make a good living deer barrier are fast growing and invasive.