tomfarmer
- 5
- 1
RH = something humidity?When leaves canoe like that it's usually a temp or RH issue, or both.
Hmm I think no more than 30 celcius since I have all the vents open to keep heat down. But that's interesting it might not be humid enough? I had it really humid before, too humid but maybe now I've gone too far other direction.What are the temps in direct sun? It looks like heat stress and or low humidity lvls. Over watering tends to make leaves claw downward.
-Ben
Got 1 the same...But not as bad as yours... leaves still fairly green, but cupping uP like yours! U figure it out yet?Hi,
I am growing 4 plants in a polytunnel outside. My oldest, biggest, top to now strongest plant has just started flowering maybe a week ago. But many of the leaves are canoeing and the plant overall looks a little more yellow than it did.
View attachment 1145152
^^ This is the plant I'm worried about
View attachment 1145155
^^ canoed leaf also yellowing
View attachment 1145156
^^ canoed but less yellow
View attachment 1145157
^^ A different plant in same space I am just adding for comparison. Way more free, still vegetating.
So on all these plants I have been using diatomaceous earth. I noticed on the big plant that the drainage was REALLY slow after I added it, and in fact I didn't even see any running out of the bottom of the pot. So I am worried maybe the diatomaceous earth has waterlogged the plant? If that's the case what can I do to fix the drainage in this soil? (it has vermiculite in it btw.) Or maybe it's nutrient lockout? I used a little veg feed when it was probably already flowering but I hadn't realised.
It used too be too humid, I fixed that by having vents now always open (wet climate so water needs to clear) and that's when I got the diatomaceous earth to fix flies that had shown up.
Any help really appreciated!
i got 1 like his, just not tht bad yet.... july was rainy and cool at night, and high humidity all month....? Now Aug is Hot wth high humi....When leaves canoe like that it's usually a temp or RH issue, or both.
Looks like heat stress. I wouldn't enclose them where you get heat build up. Better off out in the weather unless it's late fall and very wet so they can breathe.Hi,
I am growing 4 plants in a polytunnel outside. My oldest, biggest, top to now strongest plant has just started flowering maybe a week ago. But many of the leaves are canoeing and the plant overall looks a little more yellow than it did.
View attachment 1145152
^^ This is the plant I'm worried about
View attachment 1145155
^^ canoed leaf also yellowing
View attachment 1145156
^^ canoed but less yellow
View attachment 1145157
^^ A different plant in same space I am just adding for comparison. Way more free, still vegetating.
So on all these plants I have been using diatomaceous earth. I noticed on the big plant that the drainage was REALLY slow after I added it, and in fact I didn't even see any running out of the bottom of the pot. So I am worried maybe the diatomaceous earth has waterlogged the plant? If that's the case what can I do to fix the drainage in this soil? (it has vermiculite in it btw.) Or maybe it's nutrient lockout? I used a little veg feed when it was probably already flowering but I hadn't realised.
It used too be too humid, I fixed that by having vents now always open (wet climate so water needs to clear) and that's when I got the diatomaceous earth to fix flies that had shown up.
Any help really appreciated!
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