Build a Simple Cold Framecomments (4) August 14th, 2008
My cold frame, consisting of a bottomless box and glass frames, called lights, is simple to build and designed to last for years. Use rot-resistant wood such as cedar, cypress, or redwood.
The waste strips along the bottom keep the frame off the soil. When the waste strips decay, you replace the strips instead of the entire frame.
|Download the project plan.|
|Cold Frame Gardening
Learn what you can grow and when to plant it, then enjoy fresh food all winter long.
To make a light, you’ll need a tablesaw for cutting grooves and ripping stock lengthwise. Glazed with glass, each light will weigh around 35 lb., heavy enough to stay in place by itself, but too heavy to be raised by an automatic venting arm. Glazed with a lightweight, insulated glass substitute like Polygal or Lexan, each light can be lifted with a venting arm (such as the Univent control from Charley’s Greenhouse & Garden), but will also need to be secured with hinges to keep it from blowing off in a wind.
|Each 8-ft. x 4-ft. frame requires:
• 2 8-ft. x 12-in. boards
• 1 8-ft. x 8-in. board
• 1 4-ft. 2x2 for the brace
• 3 8-ft. 2x2s for the waste strips around the bottom
• 3-in. galvanized drywall screws
• 2-1⁄2-in. drywall screws or 8d nails for attaching the waste strips
• 4 2-ft. x 4-ft. lights
Each light requires:
by Eliot Coleman
from issue #4
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posted in: Projects, fall garden, cold frame