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Back to Grow Questions
Good grow
Growmun
started grow question 7y ago
Good grow
Solved
Week 2
Leaves. Color - Dark-brown
likes
Tazard
answered grow question 7y ago
Looks like acid burn. Maybe a drop of nutrients hit the leaf?
2 likes
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Selected By The Grower
Similar Grow Questions
Solved
Therapy420
Leaf discoloration
What is happening to my leafs? Are they fading or is it nute problem?
Week 10
Leaves. Color - Dark-brown
5y ago
1
1
Solved
GracelessGardens
Brown spots, light green leaves?
Any ideas? It's only happening to the sativa in my tent. The 2 indica's are fine . Been using 6.4pH clean water the last 2 waterings and letting it dry out good in between. Calcium deficiency??
Leaves. Color - Dark-brown
3y ago
2
Solved
born_it_all
Deficiency or excess of nutrient?
Hi guys, I need help please, i'm noob. What kind of deficiency/excess nutrient is that? Thanks a lot
Week 5
Leaves. Color - Dark-brown
Feeding. Deficiences
3y ago
4
3
Solved
tangie
Yellow & brown spots in 2nd and 3rd week in coco-perlite nursery cup. What am I doing wrong? Fed until 20% runoff (extra), strained. Smth with roots?
2nd grow in 70/30 coco-perlite mix* & very similar issues w. yellow/brown spots in weeks 2-3, then stabilizes. *CalMag & pH buffered 6h @ 0.5mS, pH5.8, strained** & seed planted. Feed: W1: **Strained sol. + water 70/30, pH5.8 W2: AN M+G+B 1-1-1 + Simplex CalMag Plus 0.4mS Help
Week 2
Leaves. Edges burnt
Leaves. Color - Dark-brown
Leaves. Color - Black or grey
10mo ago
9
6
Solved
Danger90946
Brown spots older fan leaves
Hello all can some one please help identify what is going on here. I am watering every two days nutrients only Sunday and all watering PH to 6.3-6.4. Just noticed the brown spots some a few older fan leaves.
Week 7
Leaves. Color - Dark-brown
4y ago
1
2
Solved
Luke123
Leaf problems
Just started to have problems with my leafs 2nd week in flower . I know I had some calmag issues but thought I got on top of that, don't really want to be putting to much calmag in flower as mine is 4/0/0 Any knowledge is priceless thanks girls and guys
Leaves. Color - Dark-brown
5y ago
1
3
Solved
Piquillo
Brown spots, droopy leaves
I'm trying to figure out what's wrong with them. Leaves look stiff, droopy and feel a bit dry. Am I overwatering? Potassium deficiency?
Week 5
Leaves. Curl down
Leaves. Color - Dark-brown
5y ago
2
Solved
TheIceCreamParlour
Check out my week 7 update for more info. Only one plant in the tent affected so it's really bugging me?!? Thought it was overwatering. Left them 2 days between feeds and they are bone dry and pots are light. Any suggestions or could it just be a trait of the Pheno?
Week 7
Leaves. Color - Dark-brown
7y ago
1
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
3y ago
3
4
Solved
BigBuddy91
Cotyledon issue from seedling
Have seedlings from Auto Colorado Cookies (Dutch Passion). One already has cotyledons, but not opened yet. I see some yellow and bigger brown spot of the tip. In the beginning I had 250 PPFD, could this be the issue? Now I am around 100 PPFD and put the light a bit up. See photo.
Leaves. Color - Dark-brown
3mo ago
2
Solved
elevensixty6
Brown Spots on Leaves
I've got some brown spots showing up on the Wedding Cake leaves, first thought it may be mold but it doesn't rub off and I sprayed both plants with neem oil about a week ago just in case. Could be CalMag deficient? I use RO water with about 150-200ppms in 3 liters once a day.
Week 5
Leaves. Color - Dark-brown
4y ago
5
4
Solved
DegenMJ
Too soon for leaves to be turning brown and curling!
The auto widow circular leaves are curling at the tips and the tips are turning brown, and one of the pineapple kush auto circular leaves is not only brown at the tip but looks like about a third of it on the end is gone. See photos. What might be going on and what can I do?
Week 1
Leaves. Color - Dark-brown
3y ago
1
1
Solved
Saven
Week 8 Toof Decay Auto
What's wrong with the plant here? Deficiency? pH Problem? pH: 6.5-6.8 Watering: 1.5L every 3 days with Advanced Nutrients 3 part (4mL/L)+ CalMag (1mL/L) Light: 240W QB from Meijui at 18 inches
Week 8
Leaves. Edges burnt
Leaves. Curl down
Leaves. Color - Dark-brown
5y ago
3
3
Solved
Mysteriogo
Leaves problems
Can you please help me ? This little one is week 9, but seem to have a lot of trouble :( Also, I can't find the perfect watering spot. It's indoor with 18L pot, but if I'm watering more that 1L each 3 days, it's wet all the time. How can I do ? Thanks a lot
Leaves. Color - Dark-brown
4y ago
4
9
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
3y ago
2
3
Solved
Splifflicious
Brown spots on bud sites leaves
Hi all, I’ve been getting these brown spots in the past 2 weeks, mainly on the top leaves located nead bud sites. What could this be? Ph is ok, I’ve already tried to flush her, Rh is around 45%. This is day 65, ~20 more to go. Will this affect the bud formation or quality? Ty 🙏✌️
Leaves. Color - Dark-brown
Leaves. Other
5y ago
3
3
Solved
TschupZ
Possible lockout, what could've caused it, all 3 get the same water & feeding
Hey, i'm new as grower and really glad about any tipps I got some rusty spots + pale looking, tested the runoff and need help reconstructing on what went wrong IN: 2l Osmosis + 0,6ml calmag + ph down 7 - 6,5 -Ph: 6,5 -ec: 540 OUT: ca 200ml -Ph: 5 -ec: 630
Leaves. Color - Dark-brown
Setup. Strain - Autoflowering
Feeding. Deficiences
8mo ago
5
4
Solved
Smoking_Joe_Frazier
Discoloration underneath the leaves. Should I be concerned?
Leaves. Color - Dark-brown
1y ago
2
2
Solved
Titocat
calcium deficiency
one plant is showing signs. pic included. had a few nute feeds, recipe as follows (per 2 litre) 1ml bio-grow, top-max & bio-heaven 2ml bio-bloom 24/7 lights; biobizz allmix i treated with bug clear on leaves and added sticky yellow tape q: what dose of CalMag with above ?? ^
Leaves. Color - Dark-brown
Other. General questions
2y ago
4
3
Solved
EelGrows
So closing week 7 now and my 4AM are showing signs of deficiencies again. I watered(with nutes) ph'd around 7 past few times and the runoff has still been ~5.9, indicating acidic soil(nute lockout)?At this point, you think it's best I just flush with plain tap water(ph ~7.7)?
Week 6
Leaves. Color - Dark-brown
7y ago
2
2