The average last frost for this area is April 11. So this morning the
temperature got down to 31. Thankfully the only thing that got hit
was basil. Thankfully I had only put out 1/2 of the basil plants. We
also put the citrus trees back in the greenhouse yesterday. They may
get to stay there for a few more days.
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USA
North Carolina Foothills
USDA Zone 7a
To find your extension office
http://www.csrees.usda.gov/Extension/index.html