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Keeping roots cool in extreme heat?
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October 8, 2020
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Tormato
Tomatovillian™
Join Date: Feb 2006
Location: MA
Posts: 4,966
2 1/2 to 3 inches of mulch does it for me. It will compact a bit over the season. Anything less, and you may be courting trouble.
I don't use it on peppers, as it keeps the soil too cool.
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