When to go from 18/6 to 12/12?

[turtle420]

What exactly do you mean?

The leaves on your plant right now are growing one on each side of the stem...

"Alternating Nodes" is when the stem has one leaf on its left, then, a little further up, a leaf on its right.

turtle420 Reviewed by turtle420 on 02-15-2006. When to go from 18/6 to 12/12? I've identified my 3 plants as all females( I ordered female seeds), they are about 9 inches tall and appx. 4 weeks old. When should I go to 12/12? Rating: 5