Plant Protectors: DIY Plant Covers for Winter | This Old House
How to Protect Plants for the Winter. Shopping List. 1. ½inch exteriorgrade plywood, for sheathing the Aframe plant protector. 2. 2x4s, used to build frame for Aframe plant protector. 3. ¼inch x 3½inch galvanized carriage bolts, washers and wing nuts, used to assemble wooden Aframe plant cover. 4.