down to 40 tonight

yea i woudlnt worry about it, ive let my plants frost twice before and thye lived they will be fine wait at least until sept 20
 
28 or below for a few hours will kill most plants. That is the fun part about growing outside. I let them go all the way to the end some years.
 
freeze does not mean your plants are dead, it just cant be like 25 for 6 hrs, then ya your fucked but if it goes to 30-32 for 4-5 hrs i wouldnt worry
 
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