Answer: I know of two ways to overwinter fig trees:
When the tree becomes dormant in the fall, wrap with some insulating material such as old blankets, quilts, layers of canvas or even sheets of fiberglass. All insulating material should extend from the ground to the top of the plant. This should be topped with a plastic sheet or large plastic bag in order to keep the insulation dry. Be sure that the plastic does not come in contact with the tree itself. When spring weather arrives, remove the insulating material.
The second way is to wait until the tree becomes dormant, then carefully cut the branches back, and wrap the top part of the plant with water proof paper and shredded newspapers. Then dig a trench along side of the tree and lay it down, covering with topsoil. In the spring, set the tree upright, cover the exposed roots with soil, and remove the insulating material.
Best wishes with your fig tree!
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