Vote Now 🏆 for the Grow Awards 2025!
Start My Diary
Login
Sign Up
Login
Home
Diaries
Shorts
Questions
Contests
Growers
Breeders
Nutrients
Lights
Equipment
Blog
English
Espanól
Русский
Deutsch
ไทย
Login
Start My Diary
Sign Up
Following
Follow
Brands
&
Growers
to get updates
Chat
By continuing to use the website or clicking Accept you consent to our cookies and personal data policy and confirm that you are at least 18 year old. For details please see Privacy Policy and Terms
Accept
Grow Questions
Deficiency or insect damage?
Deficiency or insect damage?
Barbieslapping808s
started grow question 5 years ago
Deficiency or insect damage? And from what nutrient or insect 😁
Solved
Week 16
Leaves. Color - Dark-brown
likes
Rap_a_cap
answered grow question 5 years ago
Oh Bro, considering the good general health of the leaves, these spots are very suggestive of droplet sunburn.
1 like
Complain
Selected By The Grower
GMSgrows
answered grow question 5 years ago
Could be dry areas in your root system if your using fabric planters.
likes
Complain
Similar Grow Questions
Solved
Eotrio
Brown spots on leaves
i got those brown spots on my leaves and cant quite get on why they are there, im sure i watered enough biobizz calmag, so i dont think its that, the second plant looks just fine, meanwhile the plant with the brown spots have a lot more trichomes, really weird
Leaves. Color - Dark-brown
2 years ago
1
2
Solved
Hazzazza
Deficiency identification week 5
Hi, I discovered following deficiencies in my plants. I’m using light soil and biobizz fertilizers as per nutrients schedule. PH is 6.8 - any ideas?
Leaves. Color - Dark-brown
2 years ago
2
2
Solved
electabruce420
Brown spots on leaves
What could be the cause of those brown spots ? pH has been over 7 because of organics fertilizers, could that be it ?
Week 9
Leaves. Color - Dark-brown
2 years ago
2
2
Solved
Lol_You_Looked
VPD related leaf issue? Brown spots, don't think its Cal related. Pls, any help would be appreicated.
Brown spots on leaves, I thought it was Cal related, and tried different doses, with no success. Could it be VPD related? It can and does get very hot and very humid in the 1.5ftx2.5ft closet. Even when running no humidifier (Live in AZ). I've been struggling with this for months
Leaves. Tips - Burnt
Leaves. Color - Dark-brown
Leaves. Other
2 years ago
4
Solved
pepeti
Mofo substrato?
Mofo no substrato e machas castanhas, o que cauda isto e como resolver? Obrigado.
Week 14
Leaves. Color - Dark-brown
Roots. Other
2 years ago
3
4
Solved
uktuk
Calcium / PH issues? Did I take the correct steps?
Am I on the right track to remedy my plant's issues? Seems like calcium deficiency to me. Soil test comes in at just under 6.5, my reservoir water going in is 7.3ph, in case its actually a lack of calcium and not the PH i've top dressed gypsum (and epsom salts).
Week 7
Leaves. Color - Yellow
Leaves. Color - Dark-brown
2 years ago
2
3
Solved
OGbros
rust-colored spots
Hi, I noticed those rust colored spots on some leaves. What it could be? Day 40 flowering (hydro)
Leaves. Color - Dark-brown
Leaves. Other
2 years ago
1
1
Solved
TiredHerbalist420
What is wrong with my purplematic cbd?
Whats wrong with her? Could it be too high PH?, it was around 7.2.., i also noticed i had my temperature raised 30'C but i got it fixed it to 22'C, some leaves are crispy dry, some bluish coloring, few leaves have little bit brown on tips, now i noticed some brown spots on leaves
Leaves. Tips - Burnt
Leaves. Color - Dark-purple
Leaves. Color - Dark-brown
2 years ago
4
9
Solved
TheProfessorGrows
K deficiency? Or something else?
Not sure how to go about this deficiency. PH is solid at 6.5 so it’s not a ph issue. It seemed I had corrected the deficiency when it first appeared a few weeks ago, but now the brown spots seem to be spreading again. I think it might be K but not sure? Any ideas?
Week 9
Leaves. Color - Dark-brown
2 years ago
1
3
Solved
BullWeedDog
Hojas dobladas y puntas marrones
He empezado la Primera semana de floración con los fertilizantes grotek, ph 6.4 y ec 2.83, mis plantas después de 2 dias están así que puede ser la tierra está seca al momento de revisar..
Leaves. Color - Dark-brown
Other. General questions
Plant. Other
2 years ago
2
2
Solved
Needweed
Nitrogen toxicity? Or calmag deficiency.
Calmag added previous feeding 1 ml for 3L water. My plants just started to preflower and added 3L water for 3 plants 3ml grow, 2ml heaven, 3ml topmaxx, 3ml bloom That was my last schedule. I feed with every watering 2-3 times a week. Most damaged plant is Northern Lights Auto RQ
Leaves. Color - Dark-brown
2 years ago
2
Solved
moswald14
leaf tips are dying back, what is the cause for this?
leaf tips are dying back, what is the cause for this? leaves are curling and twisting too, could it be from too much light?
Week 4
Leaves. Edges burnt
Leaves. Color - Dark-brown
2 years ago
1
5
Solved
Young_agronomist
Что происходит с листьями ?
Leaves. Color - Dark-brown
2 years ago
1
Solved
Grazynka
Flush or what to do ?
Advice please. I watered yesterday but the stains on the leaves are getting worse. Now I don't know if it is deficiency of cal n mag due to nutritient lock out which might be due to ph being off as I have 5 reders and all of them show a different thing. 🤦♀️...or it is it rust?
Week 7
Leaves. Tips - Burnt
Leaves. Color - Yellow
Leaves. Color - Dark-brown
2 years ago
1
1
Solved
DegenMJ
Grayish brownish fuzz on sugar leaves
Turned my northern lights plant around today and noticed this on the back of it. Yikes! Is it bud rot, pest damage, something else? If it's bud rot I need to get rid of it ASAP because I have 6 other plants in the same grow room.
Leaves. Color - Dark-brown
2 years ago
3
3
Solved
WorldPeas
Rust Spots
Rust spots on fan leaves. Suspected nutrient burn as I let the medium get too dry. Though it would be helpful to get others opinion.
Week 7
Leaves. Curl down
Leaves. Color - Dark-brown
2 years ago
1
6
Solved
Young_agronomist
Что происходит с листьями ? Подскажите пожалуйста 🙏
Leaves. Color - Dark-brown
2 years ago
4
3
Solved
Lancelot420
Help me please
Herkese merhaba ! Şu an çiçeklenmenin 2.haftasındayım ve 1 aydır bu sorunla uğraşıyorum sorunun kaynağını bulamadım ne yapmalıyım? Yardımınız için teşekkürler :)
Leaves. Edges burnt
Leaves. Color - Dark-brown
Feeding. Deficiences
2 years ago
3
6
Solved
MicroNighthawk
Deficiency on Fem. Girl Scout Cookies?
I am watering sporadically and only every 2nd watering I add nutrients... haven't checked PH in a while but is usually around 6.5 The top leaves have no burnt tips - so am I (finally) having a nutrient deficiency?
Week 9
Leaves. Color - Dark-brown
2 years ago
1
3
Solved
KabakciLar
my daughters leaves turn yellow early
my daughters leaves turn yellow early
Leaves. Color - Yellow
Leaves. Color - Dark-brown
2 years ago
4
6