How to Build a Cold Frame

Follow these easy steps to extend your garden's growing season.

| April 2016

  • Cold frame
    A cold frame can extend your growing period by two to three weeks at each end of the season. Cold frames can be made from old storm windows, spare panes of glass, or other recycled materials.
    Illustration by Roger Marshall
  • Figure 16-1
    Figure 16-1.
    Illustration by Roger Marshall
  • Figure 16-2
    Figure 16-2.
    Illustration by Roger Marshall
  • Figure 16-3
    Figure 16-3.
    Photo by Roger Marshall
  • Figure 16-4
    Figure 16-4.
    Photo by Roger Marshall
  • Garden Projects book cover
    In "Garden Projects: 25 Easy-to-Build Wood Structures and Ornaments," Roger Marshall provides step-by-step instructions on how to create a variety of simple DIY additions to any backyard or outdoor space.
    Cover courtesy The Countryman Press

  • Cold frame
  • Figure 16-1
  • Figure 16-2
  • Figure 16-3
  • Figure 16-4
  • Garden Projects book cover

In Garden Projects: 25 Easy-to-Build Wood Structures and Ornaments (The Countryman Press, 2015), Roger Marshall provides step-by-step instructions on how to create a variety of simple DIY additions to any outdoor space. Use these project ideas to add a practical, aesthetic element to your backyard or to improve your garden production. Marshall has years of construction experience, and has developed projects that can easily be completed using materials from any local hardware store.

You can purchase this book from the GRIT store: Garden Projects.

Building a Cold Frame

A few years ago, I was given five wood-framed storm windows, each 30" wide, and decided that they would make a great cold frame for my garden. As the growing beds were already 4 feet wide and the windows were 5 feet long, the cold frame’s back height of 3 feet was simple to calculate (3-4-5 triangle). I built two triangular ends and a rear section and screwed the three parts together easily, after which the storm windows were simply set in place.

Tools:

• Handsaw or rotary saw
• Screwdriver or hammer
• Tape measure



Materials:

• Two 4-inch x 4inch x 4-foot pressure-treated posts for the back corners

For the ends:

www.EasyWoodwork.org
5/15/2018 9:16:40 PM

I use the plans at WWW.EASYWOODWORK.ORG to build my own cold frame – I highly recommend you visit that website and check their plans out too. They are detailed and super easy to read and understand unlike several others I found online. The amount of plans there is mind-boggling… there’s like 16,000 plans or something like that for tons of different projects. Definitely enough to keep me busy with projects for many more years to come haha Go to WWW.EASYWOODWORK.ORG if you want some additional plans :)







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