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Can you identify the issue?
Grishkastarted grow question 5y ago
Leaves turning yellow and brown and curling at the tips
Solved
Leaves. Color - Yellow
Leaves. Color - Dark-brown
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Mikewithgreenthumbs420answered grow question 5y ago
Go here this is the go to spot if anything wrong with plants hope this helps https://www.growweedeasy.com/marijuana-symptoms-pictures
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lonergrower
Brown rust spots on oldest leavesBrown rust spots on oldest biggest leaves with curling inward - the rest of the flower is fine, just some occasional small yellow spots. No sign of pests. Maintaining pH ~6.5 but have soft water. Suspect cal/mag deficiency or nitrogen toxicity. Thoughts?
6mo ago
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Solved
Pxndorx
Problema hojas caidas y amarillamiento DWC PlantulaBuenos dias, queria ver si me podrian ayudar ya que estos teniendo este problema y no se la causa.
Ph = 5.6 / 5.7
Ec = 560ppm a 620ppm
Temp DWC = 21° C
Temp indoor = 24° C
5 Days
Los fertilizantes usados son
Voodo Juice ADVANCED
Solo tek grow GROTEK
Cal y Mag MINER
Leaves. Color - Yellow
5y ago
2
2
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Darth_Cannabis
Critical Purple: Leaves slightly yellow.Just started my first grow. I1 placed the light high in the tent and the leaves slightly turned yellow. I lowered it yesterday to 18” over the top on the plants. Just wondering if I am on the right track to solve the issue. The plants are still growing. Minimal nutrients 1ml/gal.
Week 1
Leaves. Color - Yellow
2y ago
9
6
Solved
hweixd
Day 4, after emerging. Is this coloration on the cotyledons okay?Humidity is 55 - 70, temp is around 20-24c, 50w full spec led
It's my first time, and i think i have been watering it too much
I also fed it 2-0-0 npk water with 4ml per liter and I since learned it's not okay. Will it recover? Is this too little grow for day 4?
Leaves. Color - Yellow
Leaves. Color - Dark-brown
2y ago
4
2
Solved
Wimpy
Brown spots watering in coco multiple times a daySeeing brown spots on the leaves. Assuming it's a calcium deficiency. Added another ml/gal of Cal-Mag for the daily feeding. Besides that, what else could it be? Also, at what point do you water plants in coco twice a day?
Week 7
Leaves. Color - Dark-brown
5y ago
4
2
Solved
Randyb4
Nutrient lock out?Well watered my plants with great value drinking water. Ph 4.11. Didn't check ph until week 3. Currently upping it to 6.5 after I found the issue. Does this look like nutrient lock out? They were in root Riot starter plugs. And I fed the some clonex and great white microbs.
4y ago
5
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Autogrowing
Noticed two leaves where the are damaged on the end, a different color, and a little dryer than the rest of the leaves.Starting bloom nutrients this week. Haven't yet. But I noticed this leaf, there is one more like it. Any idea what it could be?
Leaves. Wilting
Leaves. Color - Yellow
Plant. Other
4y ago
1
Solved
BazookaJoe
I have lots of yellowing on the lower leaves of one plant. After reaserching I think it’s a nitrogen deficiency. Also today I’ve noticed lots of teeny tiny white/clear bugs! I’m super anxious about it, thinking my plants are goners. Any idea on what they are?Week 10
Leaves. Color - Yellow
7y ago
2
3
Solved
TerraDonc
Leaf discolouration. Nutrient deficiency?Leaves are discoloured and clawed. Started about a week ago with yellowing of tips and clawing at top of the plants. Now lots of leaves are slowly changing colour. Thought it was nitrogen toxicity but my runoff is 330ppm. Are they deficient in nutrients?
5y ago
1
2
Solved
Mining_green
Hey see that top leaf on the left its got the brown dots on it. When it was cold this week i piped some heat in the tent flap in front of this girl. I was using a dehumidier heater unit just to keep the temp up a bit. Could the dots be from like an ionised air or am i just missinWeek 9
Leaves. Color - Dark-brown
3y ago
3
9
Solved
OneBakedWalrus
HELP plant had massive overnight changeWhat happened to my friends girl? It was perfectly fine yesterday morning. This morning we checked her and all the hairs were brown and alot of the leaves were brown curled and crispy. Its been hot but to just change all at once is wierd. Some growth still pushing white hairs.
Buds. Other
Leaves. Curl up
Leaves. Color - Dark-brown
5y ago
3
2
Solved
susina
bottom leaves yellowHelloo
So today I've noticed that the bottom leaves are yellow. I don't really think it is a problem since I think the reason is that they don't get enough light because are covered by the bigger leaves on top. But it's better to ask since I'm a newbie. What do you think?
Week 4
Leaves. Color - Yellow
6y ago
3
Solved
CreamOfTheCrop
Possible deficiency/humidity/pH problemI've been struggling with same problem from beginning of grow - leaves having these dry yellow/white spots. The first week I used too high pH which later I replaced by rainwater - new leaves were healthy, but last night I left tent at 70% RH. Somehow it returned - still rainwater
Leaves. Tips - Burnt
Leaves. Color - Yellow
Leaves. Color - Pale
5y ago
1
2
Solved
Cs2810
Hilfe!!!Liebe Grower, bitte um Hilfe...
Seit 10 Tagen in der Blüte
PH 6.5
CALMAG Probleme? Oder nährstoffmangel?
Leaves. Color - Yellow
8mo ago
2
4