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Cold frames are fantastically versatile, helping the gardener to cheat the seasons and enjoy more harvests.
With just a few inexpensive and reclaimed materials, a drill, some screws and a screwdriver, it’s straightforward to make your own cold frame to protect plants from the elements.
In this short video we’ll show you how to make a cold frame of your own, simply, cheaply, and with very few DIY skills required. Take your growing up a notch and give it a try!
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Can you use plexiglass instead of glass?
I'm new to your channel (?), anyway, I saw you had a layout for gardens and which veggies go well with others, where do I find that?
Can the same effect not be had by buying a big clear storage box from a discount store and just covering your plants with it? Weigh it down with a brick to stop it flying off, drill holes in it for ventilation or just leave a small cap at the bottom.
Hi. If you want to build it yourself just google for 'Woodprix' . I know you'll find good solutions for your idea.
One year I made a cold frame by using leftover potting soil bags filled with compost for the walls and an old glass table top for the lid. Lovely, unfrozen lettuce in the middle of winter!
Wow, please next time use a wood drill bit when you driling pilot holes in the wood.
I'm sure you can find awesome woodworking plans on woodprix website
Your glazed roof will trap rainwater runoff between the glass and lower frame leading to the wood rotting very quickly. Better to allow the glazing to only be sandwiched in the frame on three side and to allow the glazing to overhang the lower wooden support. The glass will be secured by adhesive sealant or polycarbonate can be drilled and screwed.
Top Tip – Don't try and drill timber with a masonry drill bit as in the video.
where to get the timber,
I made my own coldframe from old scrap wood i had laying around, plus some corrugated polycarbonate sheet. I used corrugated sheet instead of flat as my site is windy and i wanted the sheet to be as strong as possible. Dont forget to get galvanised or stainless screws, they wont rot as quickly.
Hi, I was just thinking about building a couple of cold frames and a small greenhouse. I want to reuse some double glazing unit but can’t seem to find any info on wether they would be suitable. I know some units can come with coatings to reduce UV etc. What do you rethink about reusing these units, I thought it would give them a second useful life and avoid them going in a landfill.
Definitely never use pressure treated wood in a garden. the toxic chemicals & heavy metals leach into the soil defeating the purpose of organic or just plain healthy nutritious food.
I grew a cold frame this year with my dad, and for school I am doing a non-fiction report on cold frames because my grandparents homeschool me. I love to grow lettuce in it and the buds are already starting to come up. I am so excited!
What’s the difference in functionality with a cold frame and a greenhouse is it just size
Does it really need to be slanted.
I would like to put some window frames on my flat raised garden beds to start growing a bit early this year.
do you have the dimensions of the wood you use, you mention thickness but no other dimensions, apprciate you can make these to suit.
Hmmm… I finally followed Ann's advice and took Stodoys. It's great for beginners and has some advanced stuff too.
How do you make windows?
What did you use to cut the wood diagonally? Thanks
Three points I would add. I would have used wood glue to make it with as well as screws. You need to select the right type of wood because pine for example would rot quickly if left outside so applying a water proof varnish to the out side exposed wood will prolong the life of the cold frame, use a hard wood. I think you should have mentioned about securing from strong wind, especially the lids but a good video with useful information. Best wishes.
All the boards have to be of the same width and depth.
Bloody difficult to build with mixed sizes and a hand saw…. But can be done
A good idea is to paint the inside of the frame white to help reflect the light. You could just use water based emulsion
If I make one of these I think I'll paint it with Linseed oil!!
How do you know if the wood contains anything harmful to growing plants? Thanks
We made one over the last 2 days in week after Xmas – great job! Thanks, no salvaged items as not so easy to get anything old in France no skips anywhere and the tip burns everything and won't let you take away but can't wait to get it used it is 130cm long and 70 cm wide.
Does the angle of the top depend on where you are? I’m at 2000 ft in Northumberland!
This is great. We’ve got brand new allotments in the village and we are a bit wary of poly tunnels as it’s a bit breezy sometimes (bottom of an open field) so would rather invest money in these rather than a flimsy tunnel that might not last a harsh winter!