Depends on the strain too. I got a sativa dom that's at 9+ weeks and still no amber trichs. I've heard of sativas taking even longer than 13 wks to finish.
qdavid Reviewed by qdavid on . turning amber when in flowering when do they start turning amber color cause im a little over 4 weeks and its skunk#1 and a couple of the hairs have a little bit of amber color in them and the rest are still clear? Rating: 5