Woodchucks happen to be very good climbers. One suggestion is to add some chicken wire across the top but keep it loose and wobbly to discourage woodchucks from climbing over it. Burpee sells a small animal barrier that you could see online as a reference.
Woodchucks happen to be very good climbers. One suggestion is to add some chicken wire across the top but keep it loose and wobbly to discourage woodchucks from climbing over it. Burpee sells a small animal barrier that you could see online as a reference.