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Old March 31, 2018   #11
Gardeneer
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Join Date: Feb 2015
Location: NC - zone 8a - heat zone 7
Posts: 4,915
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Tomatoes are pretty cold tolerant
They wont die unless 32f or lower. 42f is pretty safe.
Yeah , soil temperature is more portant. To me soil temp of 52-55f minimum will do.
I second waterung with warm water, if in hurry.
In cold soil tomato plant cannot effectively uptake nutrients.
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