they won't show 'stress' over needing more light, they just will slow down in their growth, and produce less ... if you do add lights, it can only help the growth ... be sure to maintain them at 12 hours duration for flowering ... :smokin:
roadcam Reviewed by roadcam on . Lights in greenhouse? I'm growing medicine in my greenhouse and have 4 sativas that are about 4 1/2 feet tall and have been flowering for about 4 weeks and three younger plants (BB and RHS) about 2 feet tall just beginning to flower. They're all in soil in containers rather than in the ground. They've been staying really healthy with just normal sunlight and feeding but now that the weather is changing I'm concerned about them. I've been putting heat on at night for them but after a beautiful sunny start to the Rating: 5