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Back to Grow Questions
Potassium deficiency?
SmokeBigBuds
started grow question 3y ago
Possible potassium deficiency? I usually get burnt tips but these are starting to yellow down the sides too.
Solved
Week 7
Leaves. Tips - Burnt
Leaves. Color - Yellow
likes
PEACEMAKER
answered grow question 3y ago
She's beautiful looking like a lil calcium Deficiency that's all but she's beautiful 😍, good luck 👍
1 like
Complain
Selected By The Grower
ChitownCannaChica
answered grow question 3y ago
Looks like nutrient burn
1 like
Complain
Disn00f
answered grow question 3y ago
Looks like it needs a little more K. Looking good.
1 like
Complain
Similar Grow Questions
Solved
NIagaraFalls420
Deficiency issue/problem with leaves
Any idea what problem I’m having with my plant/leaves? I’m guessing some type of deficiency because I’ve only fed once and it was a few weeks ago. (Check photos in most recent week). Any advice/ tips would be awesome, thanks!
Week 7
Leaves. Wilting
Leaves. Color - Yellow
Leaves. Color - Dark-brown
5y ago
3
3
Solved
EddieEd
Need help, Not too sure what going on with the leaves
I have this Neville haze growing. Recently I gave it calmag, and the leaves seems to not like it. Giving out light brown patches, looks almost like rust. Today the serrated tips of the leaves is turning brown. Any idea what seems to be the problem?
Leaves. Tips - Burnt
Leaves. Color - Dark-brown
4y ago
3
2
Solved
Patatone
Yellowing leafs.
Hi, this plant is a green gelato automatic from RQS that I'm growing next to my trained plant. I've been giving her the same nutrients and she didn't show any problem until now, its grown 70 cm tall in 6 weeks and it's now flowering. Am I overfeeding her? Already know it's not PH
Leaves. Color - Yellow
4y 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
5y ago
1
1
Solved
thenewdude
my biggest-plant is going yellow in the center, is that a deficiency or normal? I was going to give it the first feed of fish mix tomorrow with 125 ml of water
Leaves. Color - Yellow
Feeding. Deficiences
5y ago
2
3
Solved
Its3AM
Seedling leaves turning yellow coco
1st coco grow seedling turning yellow been giving calmag every other watering . Should I start with the other nutrients the plant needs?
Leaves. Color - Yellow
4y ago
1
Solved
Maskedcucumber
Brown roots : Is this Pythium?
Is it chlorosis, deficiencies, septoria, pythium ? calmag, iron, H2o2 or mycorrhizae needed ? What would you do to save the crop (preflowering stage) ? Thanks a lot for your help
Week 8
Leaves. Veins - yellow between
Leaves. Color - Yellow
Roots. Color - Brown
4y ago
5
5
Solved
EaRtH
Seedlings tips yellowing
Hey guys, I have noticed that one of my plants starting to show yellowing on the tips of first leaves. I guess I am overwatering. Any advices ?
Week 1
Leaves. Color - Yellow
2y ago
2
3
Solved
Nurse
All leaves turn yellow .Help
I am now in week 8 and most of the leaves turn yellow. I am afraid that the plants will die. Can anyone help me solve the problem?
Leaves. Color - Yellow
5y ago
5
7
Solved
Patillac31
I've noticed yellow on some of the leaves was thinking N or Fe. For sure had a soggy mess at the bottom of the pot. Any suggestions or advice? Thanks in advance
Week 5
Leaves. Color - Yellow
6y ago
4
5
Solved
Plan1Thr33
Burnt Tips
Is Anyone able to help me identify what the burnt tips are possibly caused by?
Week 2
Leaves. Tips - Burnt
3y ago
3
3
Solved
Wuesten
Papaya - looks thirsty and starts yellowing on lower half :'-(
My very well trained photo Papaya (Nirvana - Citric x Ice) is significantly decreasing in happiness since yesterday. She looks thirsty but the fabric pot is still heavy and moist (watered 4 days ago), also the leaves on lower half turned yellow today. Too much / little of what?
Leaves. Color - Yellow
2y ago
6
9
Solved
N_e_O
Send HELP!
I wonder if this yellow ton and even starting the orange should be from the strain of is getting burn? What can i do? reduce sun light? should i start feeding with veg suplement?
Leaves. Color - Yellow
Leaves. Color - Dark-brown
4y ago
1
1
Solved
chris_23
The plants get yellow leaves
Guten Abend ich bin hier neu, und habe folgende Frage; meine 4 Francos Lemon Cheeses werden immer hellgrüner? Sie stehen in einem 50x100cm Zelt und werden von einem Zeus XT 308 in der Farbe 3500K Cri 90 beleuchtet. Die Erde habe ich aus ca. einem Drittel gebrauchter Erde und 2 Drittel Plagron All Mix gemischt, und je 2 BioTabs/Topf gegeben. Stehen tun sie in 11l Pflanzensäcken. Seit einer Woche wird eine extrem hell und später werden die Blattränder braun, aber jetzt werden alle heller und sehen nicht mehr gesund aus. Laut meinen Recherchen schauen sie unterdüngt aus, aber ich bin mir absolut nicht sicher. Vorgestern war Gießtag und ich habe folgendes dem abgestandenen Leitungswasser beigemengt. 3ml/l CalMag von Biobizz 5 ml/l Melasse und 5ml/l Bio Tabs Orgatrex sowie 2ml/l Terra Grow von Plagron. Vor ca. 10 Tagen habe ich zum ersten mal gedüngt und habe ca. 5ml/l Bio Tabs Orgatrex und ein wenig Melasse gegeben und vor 6 Tagen habe ich geflimmt. Die Pflanzen sind etwas über 5 Wochen alt. Ich bin auf Eure Tipps gespannt und sag schon mal danke.
Leaves. Color - Yellow
3y ago
3
3
Solved
Cr8grow
N or Mag deficiency or other? Leaf tips browning, curling up. Pics added to my diary week 10 Day 1 week 11, start week 5 flower Soil Roots Organics 707; amended perlite, worm casings, silica Temp 64 - 81 RH 40 - 35 Water PH 6.5 Nutrients - Superthrive, Budswel, Biocanna Flores
Week 1
Leaves. Color - Yellow
6y ago
15
7
Solved
greenlighter
Leaf tips yellowing in early flower... Nute issue or normal?
Hi guys, so my LSD-25 is on the second day of flowering. Assuming everything else is perfect, does the soil (Happy Frog) need fertilizer or should I let her be? Organic fertilizer: amazon.com/Down-Earth-Organic-Fertilizer-2-5-0-5-2-5/dp/B000CO7ZYI Thanks for the help!
Week 5
Leaves. Color - Yellow
4y ago
4
6
Solved
nukls
light yellow tint on leaf
Any thoughts on the leaves color having a light yellow tint at this stage?
Leaves. Color - Yellow
4y ago
2
Solved
CoronaGrower
2 Yellowing Fan Leaves
I have 2 large fan leaves from the main cola turning yellow and 1 almost looks crisp or burnt on the edges. It is only 2 of the leaves and by my reckoning, they are 2 of the oldest leaves on the plant. From research, it could be the bump in nutes or water issue. Any ideas?
Week 4
Leaves. Edges burnt
Leaves. Color - Yellow
5y ago
1
1
Solved
Verbalist
Getting out of the ideas - VPD, nutrients or deficiency?
I'm getting out of the ideas as the foliar symptoms proceed. Lowered EC down to 1.8 from 2.2, pH in range. VPD is getting problematic as the plants seem to be respirating a lot during the day and it rises tent RH sometimes up to 70% - exhaust duct fan wont keep up. Temps 22-24C
Leaves. Edges burnt
Leaves. Tips - Burnt
Leaves. Curl up
3y ago
1
Solved
Buddhakush
Light bleaching?
I was just wondering if this may be some light bleaching on some of my tips. It's only on 4 tops across 2 plants. Last week of veg, par avg 775-800 in effected area. Light distance to canopy 18". 450w in 4x4 with 4 plants. Thoughts?
Leaves. Tips - Burnt
1y ago
1
1