Grey leaves
herbalistsswordstarted grow question 6y ago
Noticed some leaves getting a brown grey colour. Any idea what this is? Seems to only affect leaves on one branch
likes
MangoDuduanswered grow question 6y ago
I think calcium deficiency next to the clorosis the leaf will start necrosis if is calcium def ✌️🏽
Similar Grow Questions
Solved
Fishcake
Black/brown spotshi all its currently day 14 of flower i have noticed that there is spots on another one of my plants hope you guys could help me out
Leaves. Color - Dark-brown
Leaves. Color - Black or grey
Feeding. Deficiences
6y ago
2
2
Solved
urbanbud
dark discolouration developing in flowering wk 3howdy growbuds, noticing the pictured discolouration. hope someone w more experience/knowledge might recognise what's happening to my gals before it develops. advice/opinions welcome on if maybe nut burn/def, temp or ??? a heap more detail in entries to help diagnose. cheerz 🙏
6y ago
2
4
Solved
Cookie_monster12
What is this caused by? Spreading through mid leaves quite fast
Week 8
Leaves. Color - Black or grey
5y ago
4
4
Solved
hazaj
Dark leaves, clawingSo couple weeks ago my plant started turning into dark green colour . Using biobizz nutrients, using always 1/2 dosage, sometime even less in big pots. I though it was nitrogen toxicity. But not sure anymore. If anyone has idea what it could be? Using 0,5ml of their grow
Leaves. Color - Black or grey
1y ago
4
5
Solved
FiFrElOt
Demande de diagnosticBonjour, je suis actuellement en semaine 7, mon problème dure depuis la semaine 5 et je n'arrive pas à l'identifier... Quelqu'un à déjà eu un problème comme celui la?
Leaves. Color - Dark-brown
Leaves. Color - Black or grey
Feeding. Deficiences
5y ago
2
2
Solved
Pav28
Light distance and powerI have lumatec Zeus pro 600w 2.9
Plan is to have it 50cm away 25% power 1st week veg
50% power rest of veg
75% power for 3 weeks of flower
100% power till the girls are finished
In the 1st grow I’ve made mistake in the light management.
Am I correct in my thinking this time?Week 1
Leaves. Color - Black or grey
4y ago
1
4
Solved
growbie
What deficiency it can be?what deficiency it can be? its start from upper fun leaves
Leaves. Color - Black or grey
6y ago
2
2
Solved
Clutch
What leaf problem am I dealing with?Fan leaves are turning black from the inside to outside. What's going on here?
Leaves. Color - Black or grey
5y ago
3
4
Solved
HomeGrowBro
Late flowering damaged leavesHi. Should I be worried? What action must I take. I dont want to spoil this grow. Thanks
Week 15
Leaves. Color - Black or grey
4y ago
1
3
Solved
The_Wanderer
🌌👽 Harvest Alien Sparkle on auspicious day... or wait? 👽🌌Harvest on the Winter Solstice? Or wait? What would you do? Wife says harvest. I say wait. What do you say?
Buds. Other
Leaves. Color - Black or grey
6mo ago
3
5
Solved
RunWithIt
Popped up around last week (week 4, monday). Prior to week 4, i had been watering with tap water, which in my area is pretty hard.(7.8+ pH) Been correcting pH to 6.8 with each watering since. (2 waterings since then.) Should i just continue feeding 6.8 pH water or add cal-mag?Week 5
Leaves. Color - Black or grey
8y ago
2
4
Solved
baddawgLLL
a black spotSuddenly, a very small black spot appeared on the leaves of the plant, very, very small.
help！
Leaves. Color - Black or grey
4y ago
3
3
Solved
kem0s
what is this?1 plant has grey interveinal leaf spots and grey wilted edges. never seen this before. its only on top of the plant.
my temps dropped to 17°C last night.
light intensity is about 500ppfd.
im guessing that it is a ph issue or overfeeding
the other 2 plants are fine
Leaves. Twisted
Leaves. Color - Black or grey
6mo ago
4
7
Solved
Organic_LarF
1 branch doing strangeThe entire plant is looking fantastic, just this 1 branch, the lowest or first 1 to form has never grown like it supposed to. The other 1 is allready gone for 1 month. Ive pulled it of because I dont like the colour of those leafs.
Week 11
Leaves. Color - Black or grey
6y ago
1
1
