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Back to Grow Questions
Rust spots on leaves
Aragon
started grow question 4y ago
What are these weird rust spots? I'm guessing too much cal-mag?
Solved
Week 4
Leaves. Color - Yellow
likes
Nor_Cal_Kannabliss
answered grow question 4y ago
Looks like a possible deficency crawling in. She's looking light in color also. Try feeding with a higher nutrient dose. 🤘😤
1 like
Complain
Selected By The Grower
Similar Grow Questions
Solved
AndreWeed96
Is normal that the plant (44days passed, 7^ week) makes yellow bottom leaves?. Photo uploaded.
Week 7
Leaves. Curl down
Leaves. Dropping off
Leaves. Color - Yellow
4y ago
4
5
Solved
Barb420
Leaf deficiency PH
Take a look 👀 please .that was using just tap water 💧 which stood for 32hr..I watered them yesterday and the 🚰 tap water PH was 7.01 I’ve just stated over new 20ltr water with PH 6.54?? Will let it stand lid off for 24hrs ??
Leaves. Color - Yellow
3y ago
3
4
Solved
fnzpator
Yellow spots on leaves in veg stage
I've got 15 days old Opium plant, about a week ago I noticed yellow spots on lower leaves. Substrate is Plagron Growmix, I believe it has optimal PH, I plant is watered once in 3 days with 6.5 PH-ed water. Now the spots have gone upwards also. Please help, what could be wrong?
Leaves. Color - Yellow
Leaves. Color - Mottling
2y ago
3
Solved
Septooth
Any idea what may be causing my leaves to look like this?
Can someone tell me what may be causing my leaves to look like this?
Week 10
Leaves. Color - Yellow
Leaves. Color - Red or pink
Leaves. Color - Pale
5y ago
3
2
Solved
TsukinoKi
Let it grow or cut it out?
One of the seedlings isn't doing so hot. Should I just start a new seedling in it's place or give it more time? I've had a stunted seedling like this before in a previous grow and it ended up yielding a lot...
Week 2
Leaves. Curl up
Leaves. Wilting
Leaves. Color - Yellow
2y ago
1
1
Solved
Broffel
Yellow leafs
Is it nessacery to have yellow leafs on the plant when you harvest the plant?
Leaves. Color - Yellow
5y ago
3
3
Solved
Atalant
Yellow leafs
M problem with first autoflowers I had was due to overwatering and overfeeding with bad soil for autos. Soil didnt change. I cut nutrients last week as i notice discolouration also she get water cut from 300ml to 200ml. Not sure what problem is compare to her sister in same age.
Week 7
Leaves. Color - Yellow
Feeding. Schedule
2y ago
4
5
Solved
halexxo
Bloque de nutrientes?? Ph?? O falta de calcio y magnesio??
hojas de abajo tienen un color amarillo, las más pequeñas del todo se desprendieron. Las hojas de arriba tienen tonos amarillos en las puntas. Usando nutrientes biobizz y siguiendo la tabla tal cual está indicada en todos los riegos. ¿Podría serbloqueo de nutrientes?
Week 5
Leaves. Tips - Burnt
Leaves. Dropping off
Leaves. Color - Yellow
2y ago
1
2
Solved
Felix_DeSouza
Insects
Spider mites.. What to do with them and how to get rid of them?
Week 14
Leaves. Color - Yellow
Plant. Other
3y ago
4
3
Solved
mck372
a week later...what's wrong with her?
she had issues-https://growdiaries.com/grow-questions/82295-mid-flower-yellow-leaves I flushed her a bit and then gave some CalMag and BioGrow+Bloom and Top. Regulated pH↓ and now the runoff=6.9 (was7.5) PPFD for main cola=800-900 Anything else I can fix? How long until harvest..
Buds. Not fattening
Leaves. Color - Yellow
Leaves. Color - Pale
2mo ago
4
Solved
kohlrabi
Yellow leaves at the bottom
Some few leaves, two older and two new ones, turned a little yellow. All of them on the bottom of the plant. I don't know if this is a normal development or perhaps Na deficiency? It's my first grow, so I don't have experience. Help would be appreciated.
Week 6
Leaves. Color - Yellow
3y ago
3
1
Solved
lotuslord
Is this a deficiency?
Hello there, Today I saw that some of my plants have some curled and sad looking leaves (see pic). The soil is pre-fertilized and I currently use normal tap water (p.H. adjusted) for watering. My plants get 18hrs of light a day (approx. 300-400PPFD) Thanks for you help guys :)
Week 1
Leaves. Curl down
Leaves. Twisted
Leaves. Color - Yellow
3y ago
2
2
Solved
Ah_never_mind
The leaves have yellow spot on the blade its a small one though. Is it fine?
Week 5
Leaves. Color - Yellow
5y ago
2
2
Solved
PapaBaer
Mangel Kalzium Phosphor?
Brauche hilfe, meine bloody skunk auto steht ne Woche vor der Ernte. Irgendwas fehlt ihr noch aber eigentlich wollte ich anfangen Auszuschwemmen.... Helft mir mal bitte
Leaves. Color - Yellow
4y ago
2
Solved
MrHightimes
Why do the leaves look like this tight yellowish leaves instead of broad emerald leaves? I think i over watered last week worried about Autopots but my tent is also a bit warm. running 80-85ish. Just wondered what you experts think
Week 4
Leaves. Color - Yellow
5y ago
7
2
Solved
Tweezer
Nutrient Deficiency or something else?
Is this a nutrient deficiency in my auto? I'm Growing in Coco, feed 6X per day drain to waste, PH stays between 5.7 to 6.3. CalMag, then Maxi Bloom powder, then liquid Kool Bloom. I did cut back on the calmag at end of Veg. running a total EC of about 1400. Thanks for any help!🙏
Week 6
Leaves. Color - Yellow
5y ago
7
3
Solved
CaptGrow
Should I cut off yellow leaves?
Bulldog cookies, 5-6 weeks in flowering. The leaves started yellowing, not fast like a disease or something. I'm thinking about cutting them off. should I? Would it be better for bud development, or in this flowering stage is would be too much stress?
Leaves. Color - Yellow
6mo ago
9
5
Solved
Brudog
Can somebody please tell me what this is ??????
Noticed this on my plants leaves ive been feeding advanced nutrients micro grow and bloom at 2ml per plant and also big bud and b-52 at 2 ml per plant my plants in 2nd week of flowering any help would be great cheers guys 👍🏻👌🏼
Leaves. Edges burnt
Leaves. Color - Yellow
Leaves. Other
5y ago
1
2
Solved
Highlymedible
Yellowing leaves
Hi Some of the lower leaves are yellowing on the white widow, is this a deficiency of some kind?
Week 4
Leaves. Color - Yellow
4y ago
1
1
Solved
Starplatinumsrealdad
Yellowing and Reddening of older fan leaves
I’m experiencing a lot of yellowing that progresses into dark red blotches. I suspected a possible cal mag deficiency but after upping the dose multiple times I’m still having issues. Any recommendations on possible causes/treatments? Temp stays between 74-76, humidity around 60%
Week 6
Leaves. Color - Yellow
Leaves. Color - Red or pink
2y ago
5
3