When to top?

Just wondering if anyone could tell me when to top a plant and how? not sure which tip to cut off and how much

this should help ya'

https://www.rollitup.org/general-marijuana-growing/13820-fimming-topping-101-a.html
yer' welcome...stay green!!

thank alot! that helped

sure, anytime ya' needs us, we be here, just post piks of your ladies so we can o-oh and a-ah over 'em like we're supposed to

It helped me too!

I read about this FIM only a few days ago but couldn't find any good info with pictures. This did the trick.

THANKS!!!

"Come Tonto our job here is done, we leave now...Tonto? hey put that mushroom down and find your horse,( dammit, do I have to do everything?)...Sorry Ma'am we'll be moseying along any day now...(dragging semi-conscious peyote-drugged indian down the road