From a fellow grower: I have a plant about six weeks into flowering…probably 3 to 4 weeks from harvest. I’ve started seedlings and want to switch the lights back to 18 hours. Will that affect the flowering plant?
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Yes, unless it is an auto. Autos don’t care about the light cycle. The plant will attempt to go back to veg and will cease maturing the flowers if it is a photo plant.
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I suggest start your seedlings in another space. An leave light Schedule on 12/12 . @MidwestGuy Has you covered.
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Yes it will. Your plant could reveg or even hermie. The plant wants to reproduce. Keep your seedlings in a different area…
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Welcome to the community. Like the others said I have seedlings growing right now in a spare room under a 2ft T-5HO florescent light until I can move them on Sunday.
Wait a couple weeks and start seeds on 12/12 with the flowering plant. The plants started from seed won’t be mature enough to flower, as long as you harvest within a couple weeks then you can switch light to 18 hours and the young plants will never know the difference.
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