Re: Frost Damage

Plants will go into a cold protection mode about 24-36 hours after exposure to a drop in temperature. If temperatue drop is sudden, then they can't do that, and if in active growth can easily be damaged or killed.
Min/max thermometers are cheap (about $15-25) and will record min and max between any time you choose to reset. Per hour, per day, per week, per month, per year etc. I record temp each day (except when away) and keep records for reference. 

Chuck Chapman

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