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Back to Grow Questions
Nitrogen toxicity?
RallyAutos
started grow question 6y ago
Are these dying leaves a result of the nitrogen toxicity or something else? Thanks for all your help!
Solved
Leaves. Other
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The8thChevron
answered grow question 6y ago
Could be really bad light stress... My guess would be that a high PK nute has locked out calmag and other micronutrients. If you're using a booster, roll it back a bit. As always, check your pH and EC going in and coming out.
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Selected By The Grower
Fruitgrower
answered grow question 6y ago
I had this before and although not entirely sure I put it down to a pk overdose. N Overdose looks very different - dark green claws.
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Similar Grow Questions
Solved
KalooNie
Largest plant's bucket got empty on accident; Filled a 15gallon reservoir of full strength nutes and pumped the solution into the bucket as always. Next day my largest plant is dying and the other two are fine, looks like lockout. Flushed for a day and then added nutes, nothing..
Week 9
Leaves. Other
8y ago
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Solved
Neelbilly
Lime green
Week 6 slowly progressing... however i think there is a problem. Maybe PH deficiency or Nitrogen deficiency?? Referring to small leave burns on some places and lime green sprouts. Still enough space from light. Ps: dont have a ph meter will need to get one
Week 5
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Setup. Ventilation
6y ago
4
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Cheezy_G
Hi does anyone use the 48hrs of darkness before with an autoflower harvesting and if so when is the best time to do it? Cheers
Week 8
Leaves. Other
7y ago
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Drmambo
First timer, am I doing ok?
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Leaves. Curl down
Leaves. Other
Plant. Other
6y ago
1
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ZeroKnown
wrinkled leaves after starting 3rd week
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Week 3
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Leaves. Other
6y ago
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Solved
MaryJones
What are these symptoms?
Hello everyone! My plant is currently experiencing a few symptoms that I don't quite understand. Pics 1 and 2 show them the best, with the leaves from pic 3 to 5 having similar, not so heavy symptoms. Pic 6 I believe is something else, Not windburn though, leaf is too far inside
Leaves. Other
6y ago
1
2
Solved
Nickeluring
Ora
Her leaves started to get orange/brown spots a couple of weeks ago. Now all leaves go yellow and dry and die. Flushing her didn't help. Now I get similar symptoms on my Glue Gelato plant.
Week 11
Leaves. Other
6y ago
5
6
Solved
GhettoStyle
Some suggest adding Cal Mag others suggest adding potassium!!! help to understand!???!!!!
I use 0.3 EC tap water it should have enough Cal/mag in it! I don't understand why I recommend adding Cal/mag?!! And the second option is a block of potassium!!! help me figure it out!!!!
Week 5
Leaves. Other
Feeding. Deficiencies
Feeding. Other
6y ago
4
2
Solved
Ah_never_mind
Leaf
Is there something I should worry about ? I can see grey color patches just on one leaf though
Week 6
Leaves. Other
6y ago
1
Solved
AMSFiend
Week 7 Flower - No Color Loss?
What’s up Gromies! I have see almost always in late flower phase around weeks 5-6, leaves will begin to discolor as thebuds suck up all that yummy nutrition. This AK-47 XTRM from AMS is retaining its color and tomorrow is the start of week 7 of 8. LMK your thoughts!🧐
Leaves. Other
Plant. Stem · Red or purple
5y ago
3
2
Solved
grofreq
????
I'm getting some spots on the fan leaves. And some tip burns. Not sure if its nats or too much fertilizer. I exfoliated four of the first fan leaves. See pics
Week 5
Leaves. Other
6y ago
4
4
Solved
Bryankush
Foglie
My LSD 25 only has small leaves, while normally my other autoflowering plants have always had large leaves. Do you know the reason?
Week 10
Leaves. Other
6y ago
2
2
Solved
klaus420
Fungus?
Hi, whatever is on the leaves seems to be spreading. I tried not watering it for a few days like advised but it’s getting worse. Any ideas?
Leaves. Other
6y ago
1
1
Solved
2x2growing
Seedling praying
Is it normal for my seedlings leaves to be praying so much? Never seen a seedling do this before. Using a ts600 at 20 inches.
Leaves. Other
5y ago
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Solved
buddhi_coop
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These leaves are stressing me out. I’m not sure if I’m having a lockout or if I’m not feeding enough phosphorous. Either way, I’ve been using 3 ml/gal of tiger bloom, 3 ml/gal formulex, 3 ml/gal big bud & 1tbsp of molasses for feeding. What do I do ?
Leaves. Color · Yellow
Leaves. Other
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5y ago
3
3
Solved
Growfun
Nute problem
Okay so this is probably my 5th indoor grow. I have nothing A deficiency ever except for some maybe leaves really low I can't say much else but one plant is fine one is not and they in the same conditions and substrate. Same strain dif pheno. Don't say calcium LOL. Not Nute burn.
Leaves. Other
4y ago
4
5
Solved
DoubleDsTrees
Missing fan leaf?
Anyone ever see a missing fan leaf like in my very last photo posted?
Week 3
Leaves. Other
4y ago
5
4
Solved
StDeacon
Leaves are spotty
@Ttrichome Here is the picture of the yellow glue trap with the black little flies
Leaves. Other
6y ago
1
4
Solved
Overgrotho
Update
How do my girls look? Ready to hang scrog net and flower when to optimize canopy? 15 gallons of soil enough for this 4x4?
Week 8
Leaves. Other
6y ago
1
1
Solved
Kaya666
I have symptoms of both N deficiency AND toxicity. Paleness is spreading up from the lower leaves, but there's also downward clawing & "burnt" tips on other leaves. Plus some weird brown ends on the larger fans. Haven't fed any bottled nutes. Halp?
Week 5
Leaves. Other
8y ago
2
2