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Grow Questions
Weird necrotic spots and dying leaves
Weird necrotic spots and dying leaves
FlowAest
started grow question 4 years ago
Is this a disease or a bad root zone problem?
Open
Week 9
Leaves. Curl up
Leaves. Color - Dark-brown
like
Answer
Chubbs
answered grow question 4 years ago
It looks like a Calmag deficiency. I would add some with your next feeding. 1tsp/gal and the problem should stop. The rust spots on the leafs won't go away but shouldn't spread or get worsem
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Similar Grow Questions
Solved
RaS_Audio
I think my plants are suffering a Phosphorus deficiency due to lockout due to low ph of soil. My first flush only helped for a while. As soon as the medium gets too dry damage resumes. I went to check on them yesterday and the amount of damage they took in 24 hours was pretty bad
Week 6
Leaves. Tips - Die
Leaves. Curl up
Leaves. Color - Dark-brown
4 years ago
3
5
Solved
RaS_Audio
My plants are suffering a Phosphorus deficiancy due to lockout due to low ph of soil. My first flush only helped for a while. As soon as the medium gets too dry damage resumes. what should I do? I went to check on them today and the amount of damage they took in 24 hours was bad.
Week 6
Leaves. Tips - Die
Leaves. Curl up
Leaves. Color - Dark-brown
4 years ago
1
2
Solved
DTaro
pH
DWC grow. 1. pH dropping 6 to 5.3 in a day, changed new nutes still happening 700ppm/ec 1.4 staying same no change. 2. Roots doesn't stink or smell, my roots has always look like that using biodiesel and seaweed 3. Distinct brown spot on leaves Please advise.
Leaves. Color - Dark-brown
Roots. Color - Brown
Feeding. Other
4 years ago
5
3
Solved
JoseTodoLoco
Weird form on 11 day old seedlings
Hi, The leaves of my 11 days old are a little but curly, I suspect it is related to to much light, Did anyone experienced the same issue?
Week 2
Leaves. Curl up
4 years ago
2
3
Solved
Professor_Daank
Is this Calcium Defic? What to do to fix?
Week 9 flower. Rust spots on leaves. Starts at top. This can only be calcium defic from ALL the research I've been doing. Can anyone chime in? I foiler spray a CalMag before lights out and I've added some more to the nute mix. 6.2 pH, runoff seems good.
Week 10
Leaves. Color - Dark-brown
4 years ago
1
3
Solved
Smokin_Joe
Late Flowering Stage Deficiency or Nutrient Burn
I'm not sure if this is nutrient burn or some sort of deficiency. Burnt tips were from possible previous nutrient burn, but now I'm seeing Brown spots and some discoloration. Please check my week to see full details.
Week 16
Leaves. Edges burnt
Leaves. Color - Dark-brown
4 years ago
3
3
Solved
tapciganin
Should I harvest early? Light stress, leaves browned and dried out, buds are all amber pistils
So this plant has been suffering from light stress for the past two weeks or so. I have removed all the dry and brown leaves. The buds still seem fine-ish. Should I just give her the chop early and save what I can? She's been flowering for some 6 weeks.
Buds. Not fattening
Leaves. Edges burnt
Leaves. Color - Dark-brown
4 years ago
2
Solved
e4rtht0ne
Crispy leaves?
Crispy leaves developing as it flowers. Seems to just be those that had some spots from what appeared to be a magnesium deficiency. I hit it with cal-mag and the spots stopped but recently the most affected leaves are shrivelled. Only maybe 4-6 leaves right now.
Week 10
Leaves. Curl up
Leaves. Other
4 years ago
1
1
Solved
TyrannusTyrannus
Fan leaves curling up
Some of the fan leaves are curling up at the tips. Not all of the leaves just a few and only at the longest petal. Is this something I should be concerned about?
Week 6
Leaves. Curl up
4 years ago
1
Solved
ax001
Heat stress? (1st grow)
Hi, Here we start with the problems. The leaves are curling up (little yellow), not much. I've looked that up and it's probably heat stress? -My led lamp is at 55 cm -The plant receives 500 PPFD Also a friend told me to water it nearly 1l, if that's the case I was giving way less
Leaves. Curl up
4 years ago
3
3
Solved
Walleyeguy
Deficiency and heat
Getting more leaf issues after weak nute flush and heat issues this week. I think cal mag and potassium deficiency. Looking for confirmation and suggestions.
Week 12
Leaves. Curl up
Leaves. Other
4 years ago
2
2
Solved
K8T80
Discoloured leaves
Some of the leaves on my plant are kind of golden in the middle.. not sure what this means
Week 10
Leaves. Curl up
Leaves. Veins - yellow between
4 years ago
1
1
Solved
HecticJardin
Leaf curling and misting
Leaves curling in one plant is worse than others. Just noticed the leaves are curling worse on one plant, I think it's the one that had wierd genetics due to coming back from the dead early on The soil was quite dry before watering today How often should I be misting the plant
Week 5
Leaves. Curl up
4 years ago
1
2
Solved
Daweed83
random curling up
Plant looks good to me but has 2 leaves that are curling up. Im not too worried about it yet but really want to know why its happening.
Week 6
Leaves. Curl up
4 years ago
2
2
Solved
Noela
Deficiency/Light Stress Issues
What else can I do? Brown curled tips and spots on older fan leaves climbing up towards main cola. Flushed with pH’d RO yesterday, but was only able to get pH to 6.7, also added small dose CalMag at end of flush. Light wattage has also been reduced by half for the last week.
Leaves. Tips - Burnt
Leaves. Color - Yellow
Leaves. Color - Dark-brown
4 years ago
3
3
Solved
OneBakedWalrus
HELP plant had massive overnight change
What happened to my friends girl? It was perfectly fine yesterday morning. This morning we checked her and all the hairs were brown and alot of the leaves were brown curled and crispy. Its been hot but to just change all at once is wierd. Some growth still pushing white hairs.
Buds. Other
Leaves. Curl up
Leaves. Color - Dark-brown
4 years ago
3
2
Solved
HecticJardin
Leaves curling
I notice some leaf curling and also have some holes. Is it an issue? I raised the lights up a little as they were down below 20" i want to some defoliation but not sure where to start or if getting rid of big fan leaves and small leaves at the bottom will stunt growth
Week 5
Leaves. Curl up
4 years ago
1
1
Solved
TripleCcannabis
deficiency?
Is this a boron deficiency. If not whats going on with this girl
Week 4
Leaves. Color - Dark-brown
Feeding. Deficiences
4 years ago
2
Solved
Royalgorillaxx
Heat or light stress??
Heat or light stress??
Week 1
Leaves. Curl up
4 years ago
3
3
Solved
Walleyeguy
Canoeing and Brown Spots of leaf edges and tips.
I have some Canoeing and Brown Spots forming on tips and edges of some leaves. Both Top and lower leaves. Not sure what issue is ? Please see pictures. This is a coco grow so soil suggestions might not be helpful.
Week 11
Leaves. Edges burnt
Leaves. Color - Dark-brown
4 years ago
5
5