Sprouts and lighting duration

[LemonadeJoe]

How many hours of light do I need for veg growth?

18/6 or 24/0, that is the eternal question. Those numbers refer to the amount of light and dark that the plant receives (18 hours of light / 6 hours of darkness). Anything above 14 hours of light per day will keep the plant in vegetative mode-- growing leaves and not buds. When you want to switch to flowering you reduce the cycle to 12/12. Cannabis plants grow without hassle under 24 hours of continuous light. There has been no controlled recordings of increased hermaphroditism or problems-- m…