Have you checked your your temps, PH, nute levels? If not then make sure they are all ok.

If everythings good there, click on the plant problems guide in my sig. Scroll down a bit till you get to potassium. Do your leaves look like that?
Perp Reviewed by Perp on . yellowing leaves during flowering,help!plz i dont know what im doing wrong here,but the plant is curling and leaves are yellowing and dying here is a pic to help better troubleshoot, hope u help me out Rating: 5