What Soil To Put In The Cold Frames At Our Community Garden

Q: Our community garden has two cold frames that are 8 long, 4 wide and 1 deep. We’ll only fill them 6″ high. What should we use to fill them? How much? 

A: Since you are making cold frames to nurture plants in winter, you’ll want to be sure you have the best quality soil in them. Calculating the volume is simple: 8 x 4 x 1⁄2′ = 16 cubic feet of material needed for each. I have never found bagged topsoil selling for less than $3.00 a bag to be useful. But I experimented with three bagged commercial raised bed products and was impressed with how well they performed. Details at bit.ly/GAraisedsoil.

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