Not long really. Just enough to be mature so I could cull males and flower them out. This was grown in a 1.5l pot so actually really small plant. The other one was veged for about a month or so longer and was grown in a 12l pot. Think this is the frostiest I've grown so far.
Downside is I ditched the whole batch when I saw bunch of sacks on the first plant. All the plants from the second batch and all the clones. Turns ot those were sterile.
View attachment 872285
The bigger one spent some time in the iso chamber to avoid ruining the whole crop which was not the case in the end (you can see the small plant at the back left corner of the iso chamber).