So I'm at 13 months after a large FUE session and still have stubble hairs in the crown and rear part of the mid scalp. Around 7-8 months I tried to have a few pulled out with tweezers but they are stuck in the scalp like any other hair. They just aren't getting any longer. I read a few similar threads with people having old shed hair shafts still remaining but I can assure you this is not the case.
Could it have something to do with a weakened donor area, miniaturized grafts or DHT affected grafts that leave hairs in the resting stage for longer? I sure hope not.
The result of the transplant is otherwise good, growth timeline has been a little strange and slow though. Great early growth 3-5 months but already slowed down at the 6 month mark. Then not much change at all between 6-9 months. Slowly getting better again from there and a significant improvement from month 11-13 (now).