I am in my 7th week of flower, night temperatures are getting close to 0c and next week may drop as low as -5c. What is too cold for them? And how can I help them to allow them to flower a little longer before harvest? Thanks in advance guys
Yeah if you know the weather is gonna drop cover it with some plastic at night. You’d be surprised how well it will keep your plant a bit warmer under some cover for those colder nights.
Good luck.
That's way too cold mate. Get a heater or two depending on your grow space size, I don't let my temps go below 20 in lights of at very lowest an around 22 at lowest lights on