Leaves at bud sites curl like umbrellas

Can anyone tell me if this is strain related? Its under a 400 watt hps about 15 inches above the plant. The room stays at 70 degrees and my cool tube is cool to the touch. Its growing in 100 percent canna coco and I'm using tigerbloom full strength. Its in week 3 of flower.

WHOA! talk about "eagle-clawing"... that is extreme.

You say heat isn't an issue, how about moisture? Whats your humidity at? How often do you water?

Too much nitrogen! (usually too much veg nutes) Had this loads myself before finding out that was the cause.

Does the strain have blueberry in it by any chance?

Humidity is 35 to 45 percent and i water in feed tigerbloom almost everyday. I'm new to growing in coco but it says to water and feed it everyday.

Bigby said:

Too much nitrogen! (usually too much veg nutes) Had this loads myself before finding out that was the cause.

Does the strain have blueberry in it by any chance?

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Not sure about the blue berry but I water and feed it tigerbloom almost daily

PersonalJesus said:

WHOA! talk about "eagle-clawing"... that is extreme.

You say heat isn't an issue, how about moisture? Whats your humidity at? How often do you water?

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• Humidity is 35 to 45 percent and i water in feed tigerbloom almost everyday. I'm new to growing in coco but it says to water and feed it everyday.​
  
  
  
  

I don't water/feed my coco everyday... coco is great for retaining and releasing moisture... Try letting it dry out for a day or two in between waterings. And the above poster could be right about the nitrogen being a little too much. I can't tell with your pics, but are your leaves dark dark green?

nuckyt said:

Not sure about the blue berry but I water and feed it tigerbloom almost daily

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What strain is it? (have also seen it in a couple of retarded Vanilla kush)

It is nitrogen toxicity though, I promise you. You need to drop the feeding down to every other watering or drastically reduce the dose.

PersonalJesus said:

I don't water/feed my coco everyday... coco is great for retaining and releasing moisture... Try letting it dry out for a day or two in between waterings. And the above poster could be right about the nitrogen being a little too much. I can't tell with your pics, but are your leaves dark dark green?

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Ok thanks and ya they're dark green. Should I flush it then?

Bigby said:

What strain is it? (have also seen it in a couple of retarded Vanilla kush)

It is nitrogen toxicity though, I promise you. You need to drop the feeding down to every other watering or drastically reduce the dose.

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Cool thanks I'll try that should I flush it too?

I don't know if you'd be better off with a flush or just dialing back the feedings... If it were me, and I'm always afraid of changing too much at once and making my problems worse, I'd just cut back my feedings/waterings to every other or every third day.
Are you doing a FEED, WATER, WATER cycle? Personally, I do a FEED, WATER, FEED, WATER cycle in my coco... some people tell you that you should feed every time with coco, but I think that is overkill.

way to much food dude! feeding everyday will kill your plant over time like you are doing to yours.. where did you even get the idea of feeding daily? tiger bloom doesn't suggest that anywhere!

PersonalJesus said:

I don't know if you'd be better off with a flush or just dialing back the feedings... If it were me, and I'm always afraid of changing too much at once and making my problems worse, I'd just cut back my feedings/waterings to every other or every third day.
Are you doing a FEED, WATER, WATER cycle? Personally, I do a FEED, WATER, FEED, WATER cycle in my coco... some people tell you that you should feed every time with coco, but I think that is overkill.

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Thanks alot for the help man. I've been feeding and watering everyday so I'll cut back!

kr4x said:

way to much food dude! feeding everyday will kill your plant over time like you are doing to yours.. where did you even get the idea of feeding daily? tiger bloom doesn't suggest that anywhere!

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lol, canna says to feed coco everyday because its inert. Shes far from dead though budding and growing like crazy!

PersonalJesus said:

I don't know if you'd be better off with a flush or just dialing back the feedings... If it were me, and I'm always afraid of changing too much at once and making my problems worse, I'd just cut back my feedings/waterings to every other or every third day.
Are you doing a FEED, WATER, WATER cycle? Personally, I do a FEED, WATER, FEED, WATER cycle in my coco... some people tell you that you should feed every time with coco, but I think that is overkill.

Click to expand...

Maybe I should go back to the canna a b nutes? I was feeding tiger bloom to give flowering a jump start

nuckyt said:

Cool thanks I'll try that should I flush it too?

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Tough one. Flushing too much will mean they end up going without nutrients - not enough and you keep getting the nasty clawing. Experienced a little of it in the grow in my sig; sugar punch (super silver haze X the one) has 'true blueberry' hidden in it's 'the one' side of it's genetics. I saw it on the first fan leaf in veg, then not again until week 2 of flower when all the new growth started showing it. I dropped the veg nutes (BioBizz Grow) down to a third of what they had been getting. Stopped the clawing, but now I have fan leaves yellowing at week 6 flower on an 11 week strain. Due to this, and the fact that the clawing has pretty much stopped, I gave it an almost full does of veg nutes on it's last feed. My intention was to try and balance between the two 'problems' - ie nitrogen toxicity vs nitrogen depletion.

I posted that to try and demonstrate how I 'think through' issues like yours. If it was me with your grow, I think I would flush - but would finish up the flush by giving it some nutrient feed at say quarter dose. That way you clear out all the troublesome stuff, but leave in a little nutrients. I say that because you are growing in coco - if it was soil I would expect some nutes to remain even after a flush. If the clawing remains, then I wouldn't flush again, but would just water with plain water till it stops or signs of nutrient depletion force you to give more.

I hear extra cal/mag can help with this issue too, as it helps the plant use the nitrogen more efficiently (but this is unsubstantiated info - not seen any science behind it).

Just back off on the nutes

I would flush to get the excess salts out then feed with lighter strength nutes.

My current grow had some of this... it is dream lotus which is bluedream x snow lotus. Leaves are super dark green but I was only feeding 300ppm dynagro grow veg dwc.

Wow. Can leaves that far fucked up come back? That is one of the worst plants I have seen. Sorry, as that last statement might hurt a bit. Usually they burn off before it gets to that point. Sorry for your loss of yield or just the plant itself soon.