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Back to Grow Questions
Deficiency?
Geenz
started grow question 6y ago
Is this a nitrogen deficiency? yellowing on the edges! I would like to get the little seed into good shape before changing it to 12-12 🌱
Solved
Week 7
Leaves. Color · Yellow
likes
Fusion
answered grow question 6y ago
It's a pH flux. Need to drop your pH more when watering. Bit of Calcium won't hurt her either.
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Selected By The Grower
Shagrath
answered grow question 6y ago
Hi there! Check your pH and make sure you don't have any lockouts or anything. That yellowing starting from the tips looks like a Potassium (K) Deficiency but those curling leaves and darker green says you might have something else too.
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Similar Grow Questions
Solved
Septooth
Leaves turning a yellowish color
My plants are turning a yellow color. The two in front were shorter than the one in back, so I raised the two in front 4" so they all received the same amount of light. Any ideas?
Week 7
Leaves. Tips · Burnt
Leaves. Curl down
Leaves. Color · Yellow
7y ago
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Solved
dlw66299
Blue Dream Yellow Leaves and Sex of Atomic Apple?
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Week 9
Leaves. Color · Yellow
Other. General questions
5y ago
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Solved
Wilmer
What deficit/excess?
I'm noticing that the tips of new leaves have this clear color, what could it be?
Week 4
Leaves. Color · Yellow
6y ago
1
1
Solved
Siriuz
Is it okay at week 4 to have their cotyledons turning yellow? Help
Hey there guys, I'm on day 25 and this girl was doing awesome until today, on day 23rd I had to change her to a better and bigger pot, also fed her and I noticed her cotyledons started turning yellow, they say thats completely normal idk I'm on week 4 what do u think?
Week 4
Leaves. Color · Yellow
Plant. Other
6y ago
1
2
Solved
EL_CHAPO_420
YELLOW LEAFS
CAN ANYONE TELL ME WHATS GOING ON WITH THESE YELLOW LEAFS
Week 2
Leaves. Color · Yellow
4y ago
1
2
Solved
Little_Pot
Droopy leaves, some leaves yellow with brown spots
She has droopy leaves. There are leaves with brown places, and some leaves in the middle of canopy turned yellow. At last she started preflower in week 8(auto) but compared to another girls she is very slow with pistils. Some leaves are curling up.Maybe too much light?
Week 8
Leaves. Curl up
Leaves. Dropping off
Leaves. Color · Yellow
4y ago
3
5
Solved
Machamp
First time grower: Should i defoliate? If yes, where should i cut it? I fear to do something bad.
How to defoliate/should i defoliate my Wedding Cake Auto and Godzilla cookies auto? Some leafs of my Wedding Cake auto are getting yellowish, as you can see in the picture My Wedding Cake Auto is too close to the LED (she is too tall). What should i do?
Week 5
Leaves. Color · Yellow
Other. General questions
Techniques. Defoliation
1y ago
20
7
Solved
QuiGonJib
Almost done
This is our first grow and we are in week 6 of bloom. Does anyone have an idea for the brother in the picture. He grew above the lights. We not sure how to handle it. Two leaves are to close to the light and turned yellow. Should we cut them away or leave them on it
Leaves. Color · Yellow
Setup. Lighting
5y ago
1
2
Solved
jkadabra
Yellowing in the top?
What's with the yellowing in the top? Is it normal? It's in a very nice soil mixture and I've fertilized it with Osmocote, a popular slow release fertilizer: https://icl-sf.com/mx-es/products/ornamental_horticulture/osmocote-plus-standard-5-6-a903226-15-9-12/
Week 5
Leaves. Color · Yellow
6y ago
2
1
Solved
smower
Листья Желтеют, хотя цвести ещё 30 дней
Do you think it's normal for week 4 of flowering that Moby Dick's leaves are starting to yellow and fall off en masse?
Week 10
Leaves. Color · Yellow
4y ago
4
Solved
EddyCoKush
Yellowing and drooping wk 2
Yellowing and drooping getting worse. I’m reading stress so I turned the light down and picked it up a few inches. Been giving them RO water every other morning. What do you guys think?
Week 2
Leaves. Color · Yellow
5y ago
9
5
Solved
Katalist
What could possibly cause all this suffering? =(
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Week 10
Leaves. Color · Yellow
5y ago
4
3
Solved
RedEyes34
When to start using Cal Mag?
Tomorrow my Bruce Banner plants will be 2 weeks old. One plant is showing some yellow on the left side of one leaf. No yellow on any leaf tips and no claws. I believe I may have been under watering. My question is should I/can I start using Cal Mag or should I wait longer?
Week 2
Leaves. Color · Yellow
6y ago
1
3
Solved
TripleCcannabis
Iron deficiency?
I suspect this is an iton deficiency due to excess phosphorus. Opinion? Im using GHE flors trio and added som Gro to make Gro Micro and Bloom in solution at a 1:1:1 ratio. Also added Cal Mend by Dutch Nutrients. Pic are 6 hours apart of new growth.
Leaves. Color · Yellow
7y ago
2
Solved
GreenPower
Old leafs fading and discoloured. Need help!
Hello growers. Something’s up with my girl! Older leafs are starting to look unhealthy. Not sure what I should do to help her. Any advice?
Week 2
Leaves. Color · Yellow
Leaves. Color · Dark-brown
6y ago
3
3
Solved
Grow4charity
Curling and yellow leaves flower stage
Hi, Since the temperature changed I see that the leaves are taking a different shape and colour, is this pure of the temperature change ? It is 2.5 week in flower stage. Min. Temp is 13 with humidity of 88 during the dark hours. During light it is 27 degrees and 50 humidity
Leaves. Curl up
Leaves. Color · Yellow
3y ago
6
Solved
TheRocker
Leaves changing color on tip and edge
The leaves on Red Barchetta are changing color. Refer to pic #2. Is this due to light or nutrients?
Week 5
Leaves. Color · Yellow
5y ago
1
Solved
halluminaty
Leafs yellow, burn spot . Deficiencies or excès..?
The leafs on the blackberry and the gorilla cookie getting yellow with burn spots since few days. U can see exactly what I gave them before on my diairie. What do u think ? Without looking the feeds it look like N & calmag déficiences
Week 7
Leaves. Veins · Yellow between
Leaves. Color · Yellow
6y ago
1
Solved
takid
Yellowing and dying leaves
Hi. What's wrong with it? With my previous grow I was getting exact same problem. Now, with the new plant, I'm starting to get same early symptoms. It starts with twisted leaves. Then the leaves start yellowing from the bottom and die.At flower stage the symptoms gets very severe
Leaves. Curl down
Leaves. Twisted
Leaves. Color · Yellow
2y ago
3
2
Solved
Crwfz1
Yellowing tops
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Week 4
Leaves. Color · Yellow
7y ago
2
2