Circle the trunk with fencing. Galvanized hardware cloth is a good choice.

From: "BillC"
Organization: EarthLink Inc. -- http://www.EarthLink.net
Newsgroups: rec.gardens
Date: Fri, 21 Jan 2005 21:04:53 GMT
Subject: Rabbits gnawing bark on small tress, how to...

How do you stop rabbits from gnawing the bark off trees?
Could I loosely wrap the lower part of the tree with burlap?
Is there a better way?

Thanks