Need a whole bunch of opinion. I really think theyre having nutrient deficiency mixed with something else. They are outdoor, on an early flowering stage.
Please need opinions!
This could help Grow Weed Easy. I'm no expert but I've been referring to this website for a lot of good info. This may also help. the left picture looks like a potassium deficiency according to the second link i posted.
Yup. Septoria is the real name for the "black spot fungus" I was referring to. Thankfully I've never dealt with it in cannabis...
On tomatoes, it looks like this link below. When I've seen it on tomatoes, I just give them the axe... If that's affecting your only MJ plant(s), you may want to dig deeper for a cure.