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Back to Grow Questions
Deficit
halexxo
started grow question 5y ago
Some small spots have started to appear on the lower leaves of one of the plants, and I can't figure out what it could be. Does anyone know? Thanks!
Solved
Week 7
Leaves. Edges burnt
Leaves. Color · Dark-brown
likes
SanchoPanza
answered grow question 5y ago
it could very well be lack of calcium and magnesium. you can google "comon lack of nutrients cannabis plants", from the examples shown, this seems CalMag deal.
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Selected By The Grower
Similar Grow Questions
Solved
Cana_Gen
Weird burn
Thought I had a calcium deficiency but now I’m not so sure. Could have got a bit too much direct sun out of the tent. Any ideas on this ?
Leaves. Edges burnt
Leaves. Color · Yellow
Leaves. Color · Dark-brown
6y ago
1
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Solved
Rams3s
What happen?
Can somone tell me what happen to my love?? much/less light? Carence ? Excess? Im at the end of the strench (3th week of bloom)
Leaves. Edges burnt
Leaves. Curl up
Leaves. Color · Dark-brown
4y ago
1
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Solved
Smokin_Joe
Discoloration and Spots
I'm still not sure if this is a deficiency or some sort of burn. It's definitely spreading a bit more, and I'm unsure if there's time left to address it in the grow. Video of full plant in week.
Week 18
Leaves. Edges burnt
Leaves. Color · Dark-purple
Leaves. Color · Dark-brown
6y ago
2
2
Solved
kushinator
Help! Lower fan leaves drying out slowly at the tips and edges. Doesn't look like nitrogen deficiency to me, but please prove me wrong!
10 days ago the lower set of leaves started drying out (they get brown not yellow). They don't receive light, but now it's already started showing on the third set of leaves. Does it look like nitrogen deficiency or can it be something else? Just gave it full strength nutes.
Week 6
Leaves. Edges burnt
Leaves. Tips · Die
Leaves. Color · Dark-brown
6y ago
2
2
Solved
Paul71
Help <3
Hello, im growin 2 NL auto, Day 32 VEG, only fed 50 gr of Easy Boost by RQS mixed in soil, nothing more. Soil is BioBizz LightMix. Temp≈ 29C on , 25 off. Average RH≈68%. I dont know which deficiency i have, also newer growth's leaves tips seems like burned idk. Thank you guys <3
Leaves. Edges burnt
Leaves. Tips · Burnt
Leaves. Color · Dark-brown
4y ago
4
Solved
Jo3108
Are there any reasons to worry about these spots? And somehow on these two side leaves, the tips have darkened?
Leaves. Edges burnt
Leaves. Color · Dark-brown
4y ago
1
4
Solved
JABS420
Burnt and drying leaves
Any idea what I might have done wrong on the sick mothman maybe nutrient lock or overwatered? It was the only plant without drainage hole and stayed pretty soaked as I was out of town for 3 days. Any advice is appreciated!
Week 2
Leaves. Edges burnt
Leaves. Curl down
Leaves. Color · Dark-brown
4y ago
3
3
Solved
Walleyeguy
Canoeing and Brown Spots of leaf edges and tips.
I have some Canoeing and Brown Spots forming on tips and edges of some leaves. Both Top and lower leaves. Not sure what issue is ? Please see pictures. This is a coco grow so soil suggestions might not be helpful.
Week 11
Leaves. Edges burnt
Leaves. Color · Dark-brown
6y ago
5
5
Solved
JesusChrist
Saw this first day of 12/12
Pretty sure this is just where I got nutrient solution on my plant yesterday when watering unless it's something else? I pulled these leaves off 1 plant when lights came on this morning. Every Plant looks 💯 great besides these 3 leaves, all from 1 plant rest of plant is great.
Leaves. Edges burnt
Leaves. Tips · Burnt
Leaves. Color · Dark-brown
6y ago
1
1
Solved
AnriDaiki
Yellow leaves and yellow circle on leaf
Hello , maybe someone knows what's a yellow color on Cookies leaves? not sure about ph level...
Week 1
Leaves. Edges burnt
Leaves. Color · Dark-brown
4y ago
3
Solved
Deli_Weed
Mancha en hoja
What’s causing some of the leaves to look like this? Is it a deficiency or excess? I was watering with 1000 ppm, but I saw some burnt tips and dark green color on the leaves, so I gradually lowered it to 500 ppm, and today I noticed those spots (the drained water is at 750 ppm) (coco and perlite).
Leaves. Edges burnt
Leaves. Color · Dark-brown
7y ago
3
3
Solved
elevensixty6
Calcium "deficiency" at 8ml/RO gal and still no improvements in weeks.. now my other tent has started the same spots.
Cal excess or Mag problem? My Blueberry and Wedding Cake Autos are now spotting in new and old growth. Even at 8ml/gal CALiMAGic for a couple weeks no improvements. feeding nutes with two days of just calmagic RO water in between with runoff about 0.5 gal daily in FFOF soil
Week 7
Leaves. Edges burnt
Leaves. Curl up
Leaves. Color · Dark-brown
5y ago
4
6
Solved
Horvi
Pls help
Is IT magnesium deficiency again?
Leaves. Edges burnt
Leaves. Color · Dark-brown
4y ago
1
1
Solved
Lancelot420
Help me please
Hello everyone! I'm currently in the 2nd week of flowering and I've been dealing with this issue for a month now. I haven't been able to find the source of the problem. What should I do? Thanks for your help :)
Leaves. Edges burnt
Leaves. Color · Dark-brown
Feeding. Deficiencies
4y ago
3
6
Solved
Aleatoric
Possibly Potassium Deficient? Based on ALL the pics I could find, but not sure.
I noticed these brown splotches and leaf edges on one area bud and pistils of my Orange Sherbet last night. Based on what I can find online, this might be potassium deficiency? This is mostly on one spot near darkest edge when tent closed. Thanks!
Week 5
Leaves. Edges burnt
Leaves. Tips · Burnt
Leaves. Color · Dark-brown
3y ago
3
3
Solved
Netherman
Girl scout cookies auto
Hey guys can you tell me what is the problem here ? Is it too much fertilizer or too less ? I'm using plagron and plagron light mix soil. I can't check pH because I don't have EC meter :( they're in pre flowering state I gave them 1/4 grow feed and 1/2 flowering feed
Leaves. Edges burnt
Leaves. Tips · Burnt
Leaves. Color · Dark-brown
5y ago
2
2
Solved
Hesperik123
Brown spots. Any idea guys ?
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Leaves. Edges burnt
Leaves. Color · Dark-brown
Techniques. ScrOG
6y ago
1
2
Solved
TheNoobDude
Nutrient lockout, ph imbalance or nutrient burn?
Unfortunately I don't have a ph meter, so my best guess is one or more of these problems: nutrient lockout, ph imbalance or nutrient burn. The first 3 photos are from an Auto Northern Light and the last 2 are from an Auto Jack Herer.
Week 6
Leaves. Edges burnt
Leaves. Color · Yellow
Leaves. Color · Dark-brown
6y ago
1
1
Solved
Krzymek
Is it normal?
Hi its my first growing time so I'm not sure is it normal or not. It's around second week of flowering Plant is (I'm not sure) white widow automat or "quick one automat" I don't write any label 👏 As you can see something is happening on the leaves 🍃
Leaves. Edges burnt
Leaves. Color · Dark-brown
3y ago
2
1
Solved
Jannis_Botanicum
Yellow/Brownish colored tips of leaves.
So, my girl now is 11 days old, while i was looking at here i noticed that the tips of the second pair of true leaves is soightly yellow/brownish colored, im worried for my plant. Could it be a wind burn ? I have a ventilator in my tent which was blowing at here. I moved it now.
Week 2
Leaves. Edges burnt
Leaves. Color · Yellow
Leaves. Color · Dark-brown
5y ago
2
3