Thread: how cool?
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Old May 16, 2017   #6
brownrexx's Avatar
Join Date: Feb 2016
Location: Southeastern PA
Posts: 1,044

I had mine totally hardened off and was not worried at all to have them outside with temperatures in the low 40's.

HOWEVER I would not expose them to those low temperatures until I had them hardened off and they were a bit stronger than delicate seedlings that had been living indoors under lights the day before.
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