Leaves Twisting PH too low?

[MaximusDecimus]

Hello all,

I’m new to this forum, but not to growing cannabis. I grew my first plants back in ‘03, but stopped in ‘05 due to some…legal complications. Fast forward 10 years, I moved to California, and the first thing I did was get my green card, and start back up. I’ve been at it ever since. That being said, I've yet to see this behavior from what seems like otherwise perfectly healthy plants.

A bit of information about my setup first:

Light - BLOOM PLUS LED BP 3000W
Growing medium - Organic soil
Training method - Mainline/SCROG
Soil PH - Roughly 6.1
Light distance from tops - 24”
Air movement - 1 AC Infinity exhaust fan, and 2 AC Infinity oscillating fans.

I transplanted them into bigger pots about 3 weeks ago. Then about a week ago I noticed my plants started to twist up a bit. No signs of nute burn (tested the soil for NPK, and levels were normal), or overwatering.

I also PH my water to around 6.5, however, I didn’t check the PH of my soil before transplanting, which I normally do. I like to keep my soil around 6.5-7, but when I first checked it, it was right about 6, which is supposedly in the low range of what’s acceptable for soil, but it also means that it most likely started somewhere in the 5-5.5 PH range. I’ve already started PH’ing my water up to 7-7.5 range to raise the soil’s PH. I plan to check the soil PH weekly until it’s around 6.5, and then keep my water and fertilizer PH to 6.5.

Do any expert growers here think I may be on the right track to straightening these leaves out?

As I said there’s no signs of stress, besides the twisting, and they seem quite happy and healthy otherwise.

Thanks foe your help

!

 

[Mothman]

Hello all,

I’m new to this forum, but not to growing cannabis. I grew my first plants back in ‘03, but stopped in ‘05 due to some…legal complications. Fast forward 10 years, I moved to California, and the first thing I did was get my green card, and start back up. I’ve been at it ever since. That being said, I've yet to see this behavior from what seems like otherwise perfectly healthy plants.

A bit of information about my setup first:

Light - BLOOM PLUS LED BP 3000W
Growing medium - Organic soil
Training method - Mainline/SCROG
Soil PH - Roughly 6.1
Light distance from tops - 24”
Air movement - 1 AC Infinity exhaust fan, and 2 AC Infinity oscillating fans.

I transplanted them into bigger pots about 3 weeks ago. Then about a week ago I noticed my plants started to twist up a bit. No signs of nute burn (tested the soil for NPK, and levels were normal), or overwatering.

I also PH my water to around 6.5, however, I didn’t check the PH of my soil before transplanting, which I normally do. I like to keep my soil around 6.5-7, but when I first checked it, it was right about 6, which is supposedly in the low range of what’s acceptable for soil, but it also means that it most likely started somewhere in the 5-5.5 PH range. I’ve already started PH’ing my water up to 7-7.5 range to raise the soil’s PH. I plan to check the soil PH weekly until it’s around 6.5, and then keep my water and fertilizer PH to 6.5.

Do any expert growers here think I may be on the right track to straightening these leaves out?

As I said there’s no signs of stress, besides the twisting, and they seem quite happy and healthy otherwise.

Thanks foe your helpView attachment 2226618View attachment 2226619!

Not an expert grower, and I can’t diagnose this, which makes me think there is a pest in your soil or possibly a virus? I dunno.

BUT, I’ve had your same pH issues in the past. Now I front load my (commercial peat moss) soil mix with dolomite lime. It kinda locks in 6.5 pH. You also can scratch it into the top of your soil and water it in. Plus it adds calcium!

 

[Sunin]

seen them twigglies here. looks like genetic mutation that gives symptoms that look like broad mites.
I would toss it, sorry. I mean -you can try to flower it from curiosity if you have space

 

[BB22]

Something looks really off to me.

N toxicity ( dark green )I think. The crinkle on leaves just looks wrong. Some form stress. IDK what tho.

Heat light bugs ?

Looking forward to the pros thoughts

 

[Mothman]

Beet Curly Top Virus?
Photo from Colorado State Univ.

 

[Stokes]

Severe nitrogen toxicity imo

Did you mix up your soil?

 

[HerbalEdu]

yeah look a lot like BeetCurlyTopVirus.

and plant is rather high i N also

 

[Beachbumm]

Hello all,

I’m new to this forum, but not to growing cannabis. I grew my first plants back in ‘03, but stopped in ‘05 due to some…legal complications. Fast forward 10 years, I moved to California, and the first thing I did was get my green card, and start back up. I’ve been at it ever since. That being said, I've yet to see this behavior from what seems like otherwise perfectly healthy plants.

A bit of information about my setup first:

Light - BLOOM PLUS LED BP 3000W
Growing medium - Organic soil
Training method - Mainline/SCROG
Soil PH - Roughly 6.1
Light distance from tops - 24”
Air movement - 1 AC Infinity exhaust fan, and 2 AC Infinity oscillating fans.

I transplanted them into bigger pots about 3 weeks ago. Then about a week ago I noticed my plants started to twist up a bit. No signs of nute burn (tested the soil for NPK, and levels were normal), or overwatering.

I also PH my water to around 6.5, however, I didn’t check the PH of my soil before transplanting, which I normally do. I like to keep my soil around 6.5-7, but when I first checked it, it was right about 6, which is supposedly in the low range of what’s acceptable for soil, but it also means that it most likely started somewhere in the 5-5.5 PH range. I’ve already started PH’ing my water up to 7-7.5 range to raise the soil’s PH. I plan to check the soil PH weekly until it’s around 6.5, and then keep my water and fertilizer PH to 6.5.

Do any expert growers here think I may be on the right track to straightening these leaves out?

As I said there’s no signs of stress, besides the twisting, and they seem quite happy and healthy otherwise.

Thanks foe your helpView attachment 2226618View attachment 2226619

I wouldn't bet on that being a virus just yet considering what you've said about how far off your pH has been, seems you don't really know what the soil pH is so I'd recommend doing a slurry test and posting the results, both pH & ppm, before I made any other conclusions

 

[Sunin]

eee, bin
or separate grow diary for flowering her. I will watch with interest

 

[yatsisgrowing]

Hello all,

I’m new to this forum, but not to growing cannabis. I grew my first plants back in ‘03, but stopped in ‘05 due to some…legal complications. Fast forward 10 years, I moved to California, and the first thing I did was get my green card, and start back up. I’ve been at it ever since. That being said, I've yet to see this behavior from what seems like otherwise perfectly healthy plants.

A bit of information about my setup first:

Light - BLOOM PLUS LED BP 3000W
Growing medium - Organic soil
Training method - Mainline/SCROG
Soil PH - Roughly 6.1
Light distance from tops - 24”
Air movement - 1 AC Infinity exhaust fan, and 2 AC Infinity oscillating fans.

I transplanted them into bigger pots about 3 weeks ago. Then about a week ago I noticed my plants started to twist up a bit. No signs of nute burn (tested the soil for NPK, and levels were normal), or overwatering.

I also PH my water to around 6.5, however, I didn’t check the PH of my soil before transplanting, which I normally do. I like to keep my soil around 6.5-7, but when I first checked it, it was right about 6, which is supposedly in the low range of what’s acceptable for soil, but it also means that it most likely started somewhere in the 5-5.5 PH range. I’ve already started PH’ing my water up to 7-7.5 range to raise the soil’s PH. I plan to check the soil PH weekly until it’s around 6.5, and then keep my water and fertilizer PH to 6.5.

Do any expert growers here think I may be on the right track to straightening these leaves out?

As I said there’s no signs of stress, besides the twisting, and they seem quite happy and healthy otherwise.

Thanks foe your helpView attachment 2226618View attachment 2226619!

Just saw these on 09/04/25. What ended up happening if you don't mind my asking? I work at a commercial large scale grow and have some plants in some rooms showing these symptoms!

 

[mariana9puntas]

Ayuda!!! Que le pasa a ésta?

 

[Ninjadogma]

Ayuda!!! Que le pasa a ésta?

Maybe fusarium wilt? But it also reminds me a little of when I accidentally gave a plant a massive dose of Flora Micro. If you don't suspect micronute tox, you might want to treat for root fungus.

 

[mariana9puntas]

¿Podría ser marchitamiento por Fusarium? También me recuerda un poco a cuando, por accidente, le di a una planta una dosis excesiva de Flora Micro. Si no sospechas de toxicidad por micronutrientes, quizás deberías tratarla contra hongos en las raíces.

¡Hola! ¡Gracias por responder!
No creo que tenga sobre fertilización.
Con que producto puedo tratar el hongo?

 

[Ninjadogma]

¡Hola! ¡Gracias por responder!
No creo que tenga sobre fertilización.
Con que producto puedo tratar el hongo?

La fusarium suele ser un problema grave, pero puedes intentar un lavado con peróxido de hidrógeno.

 

[mariana9puntas]

La fusarium suele ser un problema grave, pero puedes intentar un lavado con peróxido de hidrógeno.

Lo intentaré!!! Muchas gracias por responder!!!!!

 

[ChairmanFester]

The light numbers would better help in terms of spectrum graph and PPFD at the canopy. Because if the light is jacking high but the temps are cool, the nitrogen is sky high and the transpiration is like a vacuum, you'd get this.
Or the virus ideas.
Try a little Great White microrhyzzial mid veg. Flush by preferred method.
Of course there are smarter people than me here, they might notice this and help too.

 

[mariana9puntas]

Los datos de luz serían más útiles para obtener un gráfico de espectro y un PPFD más preciso en el dosel. Porque si la luz es muy alta pero las temperaturas son bajas, el nitrógeno está por las nubes y la transpiración es prácticamente nula, se produciría esto.
O las ideas sobre el virus.
Prueba con un poco de Great White Microrhyzzial a mitad de la fase vegetativa. Lava las raíces con tu método preferido.
Por supuesto, aquí hay gente más inteligente que yo; puede que se den cuenta de esto y también ayuden.

Gracias por tu respuesta!!