A customer has a question and I hope we can get some opinions on it, thanks.
“It’s been a cold spring and plants are no growing well, has been 56 days and not seeing much bud. Can I let them go longer than 70 days?”
There’s not really a limit as to how long a plant can grow for with the exception of autoflowering strains. If you’re outside and it’s still spring then you have plenty of time before they flower. If you’re inside, get a heater on them. A cheap space heater from Amazon will do wonders for you. 75°F is what you’re shooting for.
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If growing outdoors, it depends on the length of the nights. Some will say the length of the days, but research has shown it’s really the length of the nights. Either way you look at it, if the plant is a photoperiod plant (i.e. not auto-flowering), it won’t begin to flower until the length of the nights is equal to or greater than the length of the days. Basically, the plant needs at least 12 hours of uninterrupted darkness to trigger the flowering process. It must then maintain this lighting requirement throughout the flowering process… otherwise it will revert back to the vegetative stage. Where I live, we currently have about 9 hours of night and 15 hours of daylight. So outdoor plants would not be expected to start flowering until mid August… unless it’s an auto-flowering variety. Auto-flowering plants flower based on age, not photoperiods.
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