Some of the very bottom leaves started dying and the end of some leaves (near top of the plant) started turning brown. What's the problem here? As far as I understand it's nuteburn or heatburn.

They are in the sixth week of flowering. Should I be worried?

Thanks in advance...
canacanna Reviewed by canacanna on . Very early preflower... Need help... They are in their fourth week from putting them into soil and they've started to develop these little funny things. I guess these are preflowers. Can we say anything about the sex? Please enlighten me:) Rating: 5