Opinions? Help please!

alliesan

Member
2 weeks into flowering. Not sure what strain. Started noticing this a couple days ago. So far its just on the upper leaves. Over fertilizing perhaps?
 

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It doesn't look like overfertilizing. It looks more like heat stress. Are there any discolorations on any leaves? Can't tell from the pics.
 
Overwatering and waaay too much Nitrogen. They look almost black under that light! Flush and cool off on nutes for a week, then start at 1/4 strength.
 
From the look of the whole plant pic, only the top is wilting, getting worse as it goes up. If this is the case, it's not overwatering.
 
Temp is around 23C-25C pretty consistently.
This plant is much taller than all the rest in the flower room so the top isn't getting light much. Dunno if that would cause the leaves to wilt like that though. Definetly letting the soil dry in between waterings. Leaves at the bottom are yellowing. The wilted ones dont look discolored to me. I dunno, I'm pretty confused.. It's not very hot in there. Would underwatering cause that? Gets pretty dry and FAST in between waterings.
 
Underwatering is a possibility. It would also cause worse problems at the top of the plant with healthier growth closer to the soil but would normally show more yellowing.
 
Temp is around 23C-25C pretty consistently.
This plant is much taller than all the rest in the flower room so the top isn't getting light much. Dunno if that would cause the leaves to wilt like that though. Definetly letting the soil dry in between waterings. Leaves at the bottom are yellowing. The wilted ones dont look discolored to me. I dunno, I'm pretty confused.. It's not very hot in there. Would underwatering cause that? Gets pretty dry and FAST in between waterings.

What sort of light you using cause it's not looking very bright. Looks like she's not getting enough light. Is this only happening to the plant in the corner?
 
Heres a better picture of the entire scene. I'm using a 600w HPS. Basically..I let 2 of them get too tall before starting flowering (the other one is around the corner looking sad too)..and the smaller plants were a few weeks behind. I dont think i can move the light up any more because then would the little guys will suffer?
Its 21C(70F) in there right now. Could heat stress even be possible at temps. in the 20's?
Yeah, its only happening to the 2 taller plants. One has it worse than the other.
 

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