black leaves

So a few days ago I noticed some lower leaves turning brown on the ends and edges, then they started to twist and curl upwards. After I noticed it we had an ice storm. I couldn’t keep my night temps warm enough. For about 3-4 days it got as low as 55-60F in there. Probably even lower below the...

First let me say ive been watching the forums and gathering information for a while now but this is my first post. IVe been reading for weeks trying to figure out the problem, but nothing quite seemed to fit the description, I have several plants that have been showing signs some pretty severe...

There are some amazing photos going around of a phenotype of a cross made by The Captain's Connection. Apparently, it's a phenotype of the Black Raven x Tangie cross called The Big Dirty. It was grown by ganja_grower_girl_710 and medicated_mind. It's got one of the darkest leaves I've seen...