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Back to Grow Questions
Are my leaves light stressed?
Noahbear
started grow question 3y ago
Are my leaves getting too much light? They seem light stresses. Any input would be great- thanks
Solved
Leaves. Color - Yellow
Setup. Lighting
likes
ChitownCannaChica
answered grow question 3y ago
Maybe? Looking like ph and possibly heat/light
1 like
Complain
Selected By The Grower
Organoman
answered grow question 3y ago
Not light stress, but the beginning of magnesium deficiency. Giving cal/mag will solve this and prevent it from getting too much worse.
2 likes
Complain
Similar Grow Questions
Solved
cannabis_connoisseur_circle
What kind of leaves problem I am facing in veg phase?(edges and tips getting yellow)
Dear Growers, leaves on the top of plant and even bottom of plants changing color to yellow on tips and edges. Growing indoor in soil with 600w HPS light. The distance from light to the top of plant is around 80 cm Day temp is 25, night temp is 18. humidity level is around 60%
Leaves. Color - Yellow
5y ago
5
Solved
Tbag2020
Leaves not looking healthy
I have this plant on 20/4 with PH 5.5-5.8 its an auto from fastbuds, not sure why the leaves keep burning like this? Can someone help please
Leaves. Tips - Burnt
Leaves. Color - Yellow
5y ago
2
6
Solved
CarpediemOK
Germination yellowing
I don't know what is happening with my two babies... 1 is almost dead and other on the same way... any suggestions?
Leaves. Color - Yellow
Germination. Substrate
4y ago
3
4
Solved
Blabina
What kind of issue is it ?
What kind of issue is it ? Is it deficiency or leaf damage ? If deficiency, which one ?
Week 5
Leaves. Color - Yellow
4y ago
4
1
Solved
NCbud
Autoflower light schedule change
Day 8 autoflowers; can I change from 24/0 to 18/6 now I'm going to be introducing a more intense light (from 250w cfl to gavita plasma) or am I best leaving 24/0?
Setup. Strain - Autoflowering
Setup. Lighting
Setup. Seedling
2y ago
5
5
Solved
Dunno
Any ideas? Is it okay?
Is this normal? First timer doh :/
Leaves. Color - Yellow
5y ago
1
2
Solved
tavaresf
Yellowing and brown spots on leaves
Can anyone identify why this is happening? I am growing 2 other plants (one the same strain) with identical treatment and this started happening with one of my Royal Jacks. Everyday new leafs show the same symptoms.
Week 6
Leaves. Color - Yellow
Leaves. Color - Dark-brown
4y ago
2
2
Solved
FeebleSnane
Leaves turning yellow and dying
I have a plant that gets a lot of rust spots, even though I give it CalMag once a week. That plant also started getting a handful of leaves that turn yellow and fall off. Is there a nutrient I'm missing in my regiment? Should I do CalMag every watering for the rust spots?
Leaves. Dropping off
Leaves. Color - Yellow
Feeding. Deficiences
5mo ago
2
Solved
Doomguy420
Swapping lights during flowering
Do you guys think that swapping lights at the late flowering stage is going to harm my girls in any way? Been fortunate enough to be able to order myself a Viparspectra xs4000 to replace the v600. And as I understand it should be quite an upgrade. Thanks for any advice!
Week 7
Setup. Lighting
4y ago
1
1
Solved
FrostyFireFlowers
UV light how to use
Does anyone know if I'm supposed to turn the UV light on by itself for 2 hours a day or is it ok to have it come on while my main LED light is on too? It's the AC Infinity U2 UV Ionbeam they were in stock for 4 days a few weeks ago and I got lucky getting one,ty 4 any help
Week 5
Setup. Lighting
2y ago
4
8
Solved
MangJs
Substrate Germination - lighting
Hi Growmies!, just a quick question on lighting on germination just want to know your methods. do you 18/6 lighting or 24 hours on germination period? is it worth doing 24 hours? whats your preffered method Thanks all
Setup. Lighting
Germination. Substrate
5y ago
4
4
Solved
Cynthia1710
Someone please help. Lol
Two of my leaves are a yucky yellow color. What is the issue and how do I fix it? And the leaves are clawing. Also yes I know my plant is stretchy. I had a bad light in the beginning of her life and since gotten a better one. Lol
Leaves. Curl down
Leaves. Color - Yellow
4y ago
4
4
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
GrowerLacey
Change light schedule
My babies are now in 8wks, the light schedule is 17:7. I have scheduled the 8hrs sleep frm 5am-12pm (this is my sleep time) and now that I hve changed my sleep time, I would like to change their sleep time too, from 10pm to 5am. How will I change the light without stressing them?
Setup. Lighting
3y ago
1
Solved
DarkOG
Deficiency?
Would it be a nutrient dificiency?
Leaves. Color - Yellow
Feeding. Deficiences
5y ago
2
3
Solved
MicroNighthawk
Not enough nutrients for Nirvana Maui Waui in light soil?
I have overfed my last grow by spraying it with Alg-A-Mic... so this time around I kept giving her only a minimum of nutrients. Looking at the yellow leaves and the brown spots... most of the leaves touched the tent... am I UNDERfeeding her now?
Week 11
Leaves. Color - Yellow
3y ago
2
3
Solved
Pupper
What’s the ideal amount of LED light for top quality in a 4x4 tent.
I’m exclusively looking to grow top end quality. Already can with HPS setup but wanting to switch. Is 480w Kingbrite LED quantum board with 385,660,730nm enough for this or do I need more? Any other suggestions? Aliexpress/Alibaba manufacturers preferred due to shipping costs.
Setup. Lighting
4y ago
4
4
Solved
spelly
Yellow tips
I'm looking for someone to explain me why the tips of the leaves are yellow. I still haven't found out and have tried everything. Thx
Leaves. Color - Yellow
4y ago
2
Solved
auto_floo
Purple edges
Hi Gfam, What do they need? Or what’s wrong? These purple edges and light green color.
Leaves. Color - Yellow
Leaves. Color - Red or pink
Leaves. Other
4y ago
3
3
Solved
LeroyDagobert91
Can i add a light to help flowering
can i add a light to help flowering even if it is a 6500k one i noticed that my actual 2700k led light is less powerful that the one i used for vegetative phase can i add (with the 2700k one) it even if it is a 6500k one ?? will it slow down the flowering ? thanks !
Setup. Strain - Autoflowering
Setup. Lighting
2y ago
2
3