Sativa's do this too.Alot more then indica from what I've found.
How big is your pot that they are in.
They could be getting rootbound.
Jdog7000 Reviewed by Jdog7000 on . 2 weeks into flowering and leaves are dying. i don't know what is causing all the lower fan leaves to die all of a sudden. the temps between 50 -75. no signs of any bugs. also, what should i do about the leaves? if anyone has an idea:confused: Rating: 5