How Cold Is Too Cold? (40-50f Nights OK?)

bc_southbuds

Well-Known Member
I have a mix of strains from Northern Lights to Gelato to Gorilla Glue all outdoors (all autos). It has recently been getting down to 44-50f (7-10c) over night, but then warms up to 75f (25c) during the day.

Should I be worried?

I just did another post regarding the yellowing here (my gelato auto) and was told to up my nutrients, but totally just realized how low the temps and night were getting! (Yes I know thrip damage etc, on it).

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AScrilla

Member
That’s good to hear…
Would you take inside if you had the choice?

Would be a pain but would do it if it made for better bud.
No need to take them inside at those temps. Also, auto-flowers tend to weather the cold pretty well due to the ruderalis mix, since it is native to cold climates.
 

calvin.m16

Well-Known Member
I'm an indoor grower so take my info for a grain of salt, when it gets too cold inside (say I forgot i put my AC to 65 so I'm not hot working) and go back in right at lights on I've had temps hit 60 °F and the plants looked kinda durped out, it took like an hour for the leaves to perk up where normally they lift right up to the lights. I think later in bloom cold temps are far less of a problem and the plant will survive through. If anything it'll speed up ripening in my personal experience. Sometimes cold nights my pots dry up quick.
 
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