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Back to Grow Questions
Frisian duck
Organic_LarF
started grow question 6y ago
Please have a look at these leafs! I gave a new dose nutrients by wormcasting rockdust and guano. Also some seashell chalk. I waited a bit, but it seems to continue spreading, at low pace.
Solved
Week 16
Leaves. Color · Yellow
1 like
Athos
answered grow question 6y ago
It looks like potassium defficiency. If You are going the organic route, you can use a banana tea.
1 like
Complain
Selected By The Grower
The8thChevron
answered grow question 6y ago
Could be nitrogen, but I would bet money that your runoff is too acidic so you have to flush just a little bit. Cheers!
likes
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Fusion
answered grow question 6y ago
Did you mix a shake or put directly into soil. There's alot of nitrogen in that mix. I'd flush and remove some of that build up.
1 like
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Similar Grow Questions
Solved
PiterPan
Yellow parts of leaves.
Anyone can suggest what kind of problem is on the photo - brighter inner parts of leaves. My idea would be that it needs more Magnesium?
Week 7
Leaves. Color · Yellow
6y ago
2
2
Solved
Herikus
Help, what are those weird yellow spots in late veg?
Hello everybody, I've checked in on my plant after I was away from home for 2 day. Now I come back to see these ugly yellow spots? During day 23°C / 55% humid. During night 18°C / 50% humid. Checked the whole bud, but no insects. My other ideas are mold or stress from the light?
Leaves. Color · Yellow
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2y ago
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Solved
Segitseg
Leaves and stem
Hello.sorry the bad english. What could it be?
Leaves. Color · Yellow
5y ago
2
Solved
superskunkyfunk
Yellowing leaves, some twisting, early in veg?
Could anyone help me diagnose this plant. Idk if it’s nitro defic., heat stress, or overwatering or all 3. Temps during the day have been getting up around 86-88 daytime and only down to maybe 74 at night in the tent. I try to let the top of the soil dry out when watering as well
Leaves. Curl down
Leaves. Color · Yellow
Plant. Twisted
5y ago
3
3
Solved
m1kax
leaves brown stains
is my 1st time growing weed. my plants start get this brown stains on top leaves 2 weeks ago; i check ph was 5.95; so i think this could be calcium, because internet say they cant absorb calcium; i have high humidity before the stains appear like 80% but was only 4 or 5 days.
Leaves. Color · Yellow
Leaves. Color · Dark-brown
Leaves. Color · Black or grey
3y ago
2
4
Solved
BullWeedDog
Ayuda mis plantas ya en su periodo final con hojas amarillas
Mis plantas ya se acercan a su periodo final pero una de ellas en las hojas que salen de las flores se están colocando amarillas en las puntas y no he empezado a hacer el lavado de raíces y en la misma planta he encontrado una hoja con los bordes negros, que puede ser??
Week 12
Buds. Not fattening
Leaves. Color · Yellow
Other. General questions
5y ago
4
4
Solved
SmallCannabisDojo
Potassium excess, PH or calcium?
What happened to my plant. Is this excess potassium, ph imbalance or calcium issues? This only happens on some lower small leafs.
Leaves. Color · Yellow
2y ago
7
6
Solved
KingMickey
Burning Edges/Yellowing and Drooping?
The yellowing has gotten worse and I'm noticing slightly burnt tips/edges and some droop. Could this be burn/deficiency or over/underwatering? A combination? Is there anything I can do to fix this early or is it just a matter of giving them some time and less nutrients? Thanks!
Week 2
Leaves. Tips · Burnt
Leaves. Color · Yellow
2y ago
4
2
Solved
Misanthrope
Discolouration progressing
The first pic is from 2 days ago, now the yellow has turned to brown spots and is beginning to spread to others. I'm hoping it's an easily corrected nutrient imbalance, please help
Leaves. Veins · Yellow between
Leaves. Color · Yellow
5y ago
1
4
Solved
Techgrower
My plants are 3 years old (counting from soaking the seeds) and they are growing really fast but the leaves are a little bit yellowish in the middle. Is this some kind of deficiency or maybe something else? I’m a newbie to this and need your help guys ;)
Leaves. Color · Yellow
7y ago
2
2
Solved
Bimbadabang
Yellowing on top sugar leaves
Lsd-25 fastbuds auto- I’ve never seen this before, the top sugar leaves look like they’re yellowing, any help in identifying what this is is appreciated.
Leaves. Color · Yellow
6y ago
1
3
Solved
igglepuff
Anyone ideas to what may be causing the lower leaves to yellow and wilt? details; GG4 watered about 750ml/plant every other day alternating ph'd water/nuts (usually still damp 1st day). I over fed then nuts 2 feeds so starting a flush but is the dmg done?:<
Week 6
Leaves. Color · Yellow
6y ago
1
1
Solved
Growpotkin
Yellow/brown and crispy lower leaves?
Some of the lower leaves on my Purple Punch Auto are turning yellow/brown and crispy (day57-58). The one pictured has just developed like this—I trimmed a fan leaf yesterday that was in bad shape. Any advice would be great!
Week 8
Leaves. Color · Yellow
6y ago
1
1
Solved
GrowGermany
Should i worry about some discolored leaves? (picture of some leaves in week 7)
Week 7
Leaves. Color · Yellow
8y ago
3
Solved
Thebeginner
lower leaves turning yellow and stem turning red
hello I ask you for help for a beginning of yellowing on the lower leaves and the red stem what do you think? I don't know what conclusion to draw from this, the leaves at the top are very green, almost dark green, but those at the bottom are yellow.
Leaves. Color · Yellow
4y ago
3
Solved
Gingeryid
Yellowish leaves on 1 out of 3 seeds all fed the same ph water first week little nutrition the second
Leaves. Color · Yellow
5y ago
1
1
Solved
mrbaker4200
Seedling yellowing.
What is causing my seedlings leafs to turn yellow/brown? I've been trying to keep nutrients very low 279ppm, the ph did get high (8) and I changed the water out for dist and after a few days its sticking around 6.3. temps dont seem too hot 80 at the most (need a temp gauge)
Week 2
Leaves. Color · Yellow
3y ago
6
Solved
PlumpPelican
Sugar Leaves Turning Yellow
Sugar leaves around top colas have started to turn yellow? No yellowing on any fan leaves. Plants are same distance to light and the environment has stayed constant. Only changed feeding cycle from alternating feeding/watering to feeding,feeding,watering (ppm still the same).
Week 13
Leaves. Color · Yellow
5y ago
2
Solved
jihun
Deficiency
Hi Guys, I have problems with my girls. 3 box 120x120. - Fastbuds Orange Sherbet FF - 5 pc 100x100 - Green House Wonder Pie 2 pc 90x90 - Green House Wonder Pie 1 pc
… Show more
Leaves. Color · Yellow
3y ago
2
4
Solved
ExoticGrower
Clones have yellow leaves. What should I do?
First time "Monster cropping" (A clone from a flowering plant) and they are rooting inside of humidity dome in a Rockwell cube, being sprayed to keep moist. The clones are yellowing, what should I do until they root?
Leaves. Color · Yellow
Setup. Clones
Feeding. Deficiencies
4y ago
6
6