How old must the plants be to change the lighting cycle to 12hrs off and 12hrs on to make the plants flower.

Their 9wks olds btw

When the plants get to the size you want set the lights back...the bigger the better : )

as soon as you have an established root system.

How old must the plants be to change the lighting cycle to 12hrs off and 12hrs on to make the plants flower.

Their 9wks olds btw