Cold weather, what happen to thc levels if plant freezes

[Plantzco]

In a unheated green house , but it is getting down to 35 at night frost not getting to plant plants staying at 40 in green house, looking at plants i think i should try waiting but will i lose thc potency.

[Rwise]

You do have a ways to go yet, any way you can add some heat to hold that 40 (maybe a tad higher like 50) F. I covered and heated last year, its a pain but it can get you to harvest.