Quote Originally Posted by stinkyattic
If you do this, read up on 're-vegging'. You really should only do it once; it takes 3 weeks to a month to fully re-veg a finished female. Then the best thing to do with her is to take cuts. The more you switch photoperiods the more likely you are to produce herms.
Good catch by Stinky. I should have mentioned that this will greatly lengthen a plant's life, but will not keep it alive indefinitely.