Senior Technical Editor, Mark Powers uses rot-resistant planks and a salvaged window to build a protective box that extends the growing season. (See below for a shopping list and tools.)
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Not all gardeners have the luck to live in temperate climes. Instead of battling frost, install a cold frame to protect your plants like a mini greenhouse. Its natural warmth lets you foster seedlings in early spring and keep veggies going through fall and even into winter. This Old House senior technical editor Mark Powers shows how to build the box from rot-resistant wood and a salvaged window. Once it’s finished, choose a south-facing spot in your yard where water won’t pool, and enjoy all that extra gardening time.
Shopping List for How to Build a Cold Frame:
– 5/4×6 decking by Cambia: http://www.cambiawood.com/. Get at least three 8-foot boards.
– Salvaged window sash
– Pavers. Get enough to set beneath each side of the frame.
– Construction adhesive
– 1 5/8-inch deck screws
– 2 1/2-inch deck screws
– Brass sash pull
– 4-inch galvanized strap hinges. Get two to attach the window to the frame
– 4-inch removable-pin hinges. Get one for the inside of each corner to make the frame collapsible.
– 1/2-inch dowel. Get at least 6 feet to make venting poles of various lengths.
Tools for How to Build a Cold Frame:
– Miter saw
– Caulk gun
– Garden rake
– Garden spade
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How to Build a Cold Frame | This Old House