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Back to Grow Questions
Brown Spot on leaf
wwwmitch
started grow question 2h ago
What Kind of deficiency is that?
Open
Leaves. Color - Yellow
likes
Answer
Similar Grow Questions
Solved
smokingskills
Cut off yellow leaves.
Can I cut off these leaves? I am worried that this is an autoflowering plant and it will be an additional stress for it. But it also seems to me that it is spending some effort to keep these leaves alive and it would be better if it spent this effort on the buds.
Week 5
Leaves. Color - Yellow
2y ago
9
8
Solved
HAILEKINGNATTY
Light stress or Nute Problem??
Would this be a light stress problem or a nutrient problem? Seems to be only the ones on the top so I'm guessing lights but want to be sure.
Leaves. Color - Yellow
2y ago
3
3
Solved
MrFink
Fading? Time to start flushing?
There’s a few plants starting to show some yellowing in the bigger fan leaves, I haven’t started flushing yet and am wondering if now is the time to start? I’m almost at the end of week 6 of flower, strains unknown. Also pretty sure that’s light stress/burn so I moved her away.
Leaves. Color - Yellow
5y ago
1
1
Solved
Chase13852
Nitrogen deficiency??
Looking like I have a nitrogen deficiency. Thoughts and what do I do to correct other than what I've done already with a top dressing off earth worm castings and blood meal?
Week 12
Leaves. Color - Yellow
3y ago
1
2
Solved
BigGing432
Nutrient Burn, Leaf Septoria, Nutrient Deficiency? Or something else?
I have been having issues with the Purple Haze. I've tried adjusting the Temperatures, adding additional Cal-Mag, changing lumen intensity etc. I believe this may be nutrient burn? Added an old image of leaf before mainlining, the plant is 1 week old after mainlining was done.
Week 2
Leaves. Color - Yellow
Leaves. Color - Black or grey
Roots. Too few
6y ago
3
3
Solved
greenhousegrowgirl
Possible Nitrogen Deficiency?
Is this a nitrogen deficiency? I had a yellowing leaf or two at the bottom of the plant which have since dropped off, but rest of the plant is looking patchy now. I have just switched from fish mix to bio grow.
Week 8
Leaves. Color - Yellow
5y ago
1
3
Solved
elevensixty6
Still to early to tell? Noticed yesterday and have slightly worsened today. Not sure the issue but potentially magnesium? Getting close to top dress also.
Only on 1 of 3 plants so far. On older growth after getting dose of Recharge the other day. Maybe an N problem as I also use 484? Or mag? Using CalMag every other watering in RO at 150ppm as the soil has some cal and mag. Also getting close to top dress time maybe something else?
Week 4
Leaves. Veins - yellow between
Leaves. Color - Yellow
Leaves. Other
4y ago
4
Solved
Chr0nus
Feeding
How often am I meant to feed and water my plants. I do water my plants every 3 days and after every three feeds I flush. Concerned as all the bottom leaves in my grow are turning yellow but the tops are okay. I do give them Calmag so I’m not sure what the issue is here.
Leaves. Color - Yellow
3y ago
5
3
Solved
Corwinism
What's Happening to my Glookies? Lower Growth Yellowing with Grey/Light Brown Spots.
Yellowing with grey/light brown spots occurring on the Glookies plants (starting from the tip of the leaf). I believe it may be due to the Fox Farm Ocean Forest soil mix but any advice or input on what is possibly happening is greatly appreciated. Fingers also fused together.
Week 2
Leaves. Color - Yellow
Leaves. Color - Black or grey
5y ago
3
1
Solved
Falscher_Hase_069
Weird yellowing
What causes the boating and weird yellowing in the leaves? Does Not seem to be a big Problem but im curious Week 3 of veg, 4L pots, organic, handwatering
Leaves. Color - Yellow
1y ago
3
2
Solved
theWilly
Seedlings with yellowing leaf edges
Any insight on what may be causing the yellow edges on these seedlings? I'm reusing FF Ocean Forest that I used on my last grow. I didn't amend the soil in these containers as I didn't expect they'd need anything before it was time to transplant. pH was good at last harvest.
Week 2
Leaves. Color - Yellow
5y ago
2
3
Solved
Sawar489
yellowing at the tips
I wonder what's wrong, the light is 40cm 14 day
Leaves. Color - Yellow
Plant. Too short
5y ago
2
Solved
GanjaDan
Just looking for some input on how you think the grow is going so far or any advice towards growing LSD25 and Mexican Airlines. I’ve noticed some of the lower fan leaves yellowing and drying up, I read that is normal going into flowering just hope it doesn’t spread up the plant
Week 7
Leaves. Color - Yellow
7y ago
1
1
Solved
CelticSmokey88
Yellow brownish leaves
Any ideas what this is and what i should do to fix it its gorilla zkitlles currently on day10flower Last feed 3ml biobizz vera 3ml biobizz heaven 1ml biobizz bloom 1ml biobizz top max 1.5ml biobizz grow 0.5 biobizz fish mix 2 days ago
Leaves. Color - Yellow
5y ago
2
3
Solved
GanjaGartenZwerg
Blattspitzen Braun langsameres Wachstum
Pflanzen wachsen langsam Blätter haben braune Spitzen sie stehen in cocos perlite mix gedüngt wird mit Canna nach Schema ph ist 6.0 mit Osmose Wasser der strain ist Purple Marok
Leaves. Veins - stay green
Leaves. Color - Yellow
2y ago
2
3
Solved
weedfan133
Strange leaf shape, who has encountered this and what came out as a result?
1. Am I right that it was just overwatering? 2. Who has experienced the same thing? 3. What are the chances of growing a healthy plant? I appreciate all the responses, this is very important to me, thank you!
Week 2
Leaves. Tips - Burnt
Leaves. Twisted
Leaves. Color - Yellow
1y ago
9
4
Solved
Cannabingrowin
Leave colors on 3 week old clones blackberry Kush in Coco coir and a jiffy disk
Sudden yellowing and discoloration of a e or 4 week cutting. I water it when I see the Coco getting a little dry. I make sure there is at least 20% of run off water. I watered with pH corrected water to pH of 6. I also add a small amount of canna bioryzotonic for their roots.
Week 1
Leaves. Curl down
Leaves. Color - Yellow
5y ago
3
9
Solved
Mr_weed_pt
Leaves dying
Having some trouble with my runts.started last week some of the leaves drying and becoming yellow. My ph is correct and I am using biobizz as nutrients I don’t give full strength . The temperature is high because is summer time here some times get to 30*c .
Week 11
Leaves. Color - Yellow
5y ago
3
3
Solved
ElBarto66
Flecken auf älteren Blättern
Seit letzter Woche, gelb braune Flecken auf älteren Blättern. Was kann das sein?
Week 6
Leaves. Color - Yellow
1y ago
14
6
Solved
Ph0en1x
Plant health got worse, flush now or wait until tomorrow?
Its obvious that my plant needs Calmag Pro. Over the weekend i couldnt buy it and now my leaves look even worse. GPT recommended to flush now and then wait couple days until I add Calmag Pro. What should I do because normally tomorrow also wouldve been pour day. Im on Soil
Leaves. Tips - Die
Leaves. Color - Yellow
8mo ago
1
9