Sprouts and lighting duration

[CasualGardener]

Hi everyone,
General question (from total newbie.). I’ve got two spouts in peat pots, each about 3 inches tall. I just got a 12” LED grow light at Walmart. How many hours of light, on and off should this sprout get?
Thanks!!

[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…

[OleReynard]

How many watts? The main object is to keep them as short as possible for as long as possible but at the same time fill out.
I found out that a 4 bulb ho flouro is the ticket.
I also very depending on what I feel like.
24 on or 18on and 6 off.
I like the latter, more closer to what the plant needs with ma nature.