Quote Originally Posted by DogtowN
The alt/nodes is a sign of sexual maturity.
True

Quote Originally Posted by dogtown
If you flip before the plant is sexually mature, she won't go into flower right away. She'll continue to veg until maturity, under the 12/12 schedule.
Horse puckey. The plant will start flowering between 10 and 21 days after the light change. I have seen plants that grew for 2 weeks be sent to flower and they flowered just like everything else.

Pipefitter: Go ahead any time you want.