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Cold Frame...Portable Greenhouse for seedlings.
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January 8, 2017
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greenthumbomaha
Tomatovillian™
Join Date: Nov 2011
Location: Omaha Zone 5
Posts: 2,514
Farmette, do you insulate the bottom or keep the "natural" floor. I used styro in mine and it helped keep the temp a few degrees warmer. Maybe the sun hitting the ground compensates for the cold being radiated form the earth.
- Lisa
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