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Old March 11, 2011   #9
creister
Tomatovillian™
 
Join Date: Feb 2006
Location: Abilene, TX zone 7
Posts: 1,478
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Dewpoint plays a role in frost formation where you don't have to be at 32 for frost on plants. I keep mine covered in row cover until they are quite large due to our high wind speeds in the spring. I would cover them if you can.
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