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Back to Grow Questions
Orange/Brown spots
Rebelgoose
started grow question 6y ago
I need some help. One of my plants has started to get orange/brown spots on its leaves and some lower leaves are yellowing a bit too. Its not bugs and its.not light or heat burn. Any Ideas?
Solved
Leaves. Color · Mottling
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NorthernFrostCannabis
answered grow question 6y ago
Calcium Deficiency IMO or Manganese Deficiency... Hope this helps, https://www.growweedeasy.com/cannabis-symptoms-pictures
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Selected By The Grower
Similar Grow Questions
Solved
GWSD82
Should I remove foliage affected by deficiency, or just let it ride?
Autoflower started showing sign of deficiency at week 8. Assuming CalMag, as I filter my water and affected area is new growth at top of plant (see pic). 1) Can someone confirm CalMag deficiency or something else? 2) Should I remove affected leaves or leave them be? Thanks
Week 8
Leaves. Color · Mottling
Feeding. Deficiencies
6y ago
1
3
Solved
Gewroo
What's wrong?!?
Help! I thought I had this. Is this calcium deficiency? I've been using treated water (1tsp CalMag+ 1tsp Grow Big per gallon). It's just getting worse. See photos and descr. from past few days.
Week 8
Leaves. Color · Mottling
6y ago
5
6
Solved
MyWeedAccount
Droopy leaves, curling at tips, and now brown/yellow splotches on leaves in DWC. Not sure what the issue is
Unfortunately, I can only write so much here, but I have a lot more details in my grow diary. The droopiness started about 3-4 days ago, but now has started showing deficiencies in the leaves, and plants seem stunted on height. Day 19 since sprout.
Week 3
Leaves. Curl down
Leaves. Color · Mottling
Plant. Too short
5y ago
3
4
Solved
xbrico
Deficiency or OD?
Early signs of deficiency or OD? Have some small yellow spots on a few leaves of my plant - also a small bit of edge deformation and one with twisted leaves. Wondering am I looking at Early Calcium Deficiency or Early Nitrogen OD. Any Advice? Thanks in Advance.
Leaves. Color · Mottling
6y ago
2
3
Solved
Kappakrusade
Leaf changed color and spotting, help!
Any idea what I need to do to fix this? I think I over fed and then I recently did and RO flush. Then I fed it calcium herkley and harvest recharge in a little general organics bloom.
Leaves. Color · Yellow
Leaves. Color · Mottling
6y ago
1
1
Solved
Doraemon
Leaves damage: PH levels from nutes?
Chemical question: growing 3 autos since 3 weeks, last 2 days had symptoms of deficiency after adding 1ml/L of Calmag, BioHeaven and B'cuzz root stimulator, soil is Kilomix which has PH 5.7, tap water has PH 8.1, is it possible that nutes made PH that acid/basic to hurt plant?
Leaves. Color · Mottling
Feeding. Deficiencies
6y ago
1
1
Solved
salviadiv
light spots
3 week, light spots appeared on some leaves, the plant grew normally, and there seemed to be no other problems, what is it? Thank you
Leaves. Color · Mottling
2y ago
2
2
Solved
scotch_egg
Calcium issues?
Is this the start of a calcium deficiency? Aside from these couple of spots the plant looks healthy, but I really don't want this to progress. I can't measure my PH for a couple of days, sadly, until I get the equip through the post to do so.
Leaves. Color · Mottling
5y ago
3
Solved
Pablo77
My plant has being well so far but now have found in one of them this sort of discoloration / spots in some of the leafs. Going into flowering now, anything I should worry / correct? Have added a bit of background in the comments
Week 6
Leaves. Color · Mottling
8y ago
3
4
Solved
slowing
Leaf yellow dots, small holes and dry/degraded leaf
Hello guys. although some of the guys here said that my plant looks healthy (I just posted some pictures in another question and in my diary), I'm really wondering about some leaf (lower ones). I also found some "tiny" hole, you can check one in a picture. It's all right?
Week 4
Leaves. Color · Mottling
6y ago
2
4
Solved
Cannapprentice
Hi! I have spots forming between the leaf veins. Most are a red/rusty color and necrotic but a few are purplish red and still flexible like the healthy part of the leaf. The only affected leaves are near the top of the plant but not the very top either. Do anybody have an idea?
Week 9
Leaves. Color · Mottling
7y ago
2
2
Solved
NamasteDaze
Problem or No?
The leaves have been loosing some of their dark green color between the veins, looks a bit washed out or mottled on both plants. Slow progression over the past couple of days. This is my first grow, any advice would be greatly appreciated!
Leaves. Color · Mottling
4y ago
4
Solved
Pointlessmike
Some spots appeared. Only on mid leaves. Yellow spots. I've counted four. I'm feeding her with a mix of tap water and bottled water (using pH down to adjust at 6.0) and atami Terra leaves.
Week 5
Leaves. Color · Mottling
7y ago
1
1
Solved
curious_jules
Brown leaves - what am I doing wrong, folks?
They look yellow in the photo, under 250W of blue light, but they are brown. This starts at the tips of the large lower leaves and spreads quickly to the whole leaf. Also modest edge curl.
… Show more
Leaves. Curl up
Leaves. Color · Dark-brown
Leaves. Color · Mottling
6y ago
3
3
Solved
absolutgrow
When I wanted to water my plants this morning, I discovered that a leaf was nibbled on. I searched the whole tent for snails and caterpillars but found none. What could it be? Please give me a quick answer, I don't want to lose the plant. Also, the tips of my leafs turnet yellow.
Week 3
Leaves. Color · Mottling
7y ago
2
3
Solved
MicroPlant
Brown dots
White Widow Auto RQS 9 weeks old Third grow. My plant started making brown spots one week ago. Today, the problem continues. I feed my plant with Pelargon Terra Bloom, sometimes add Pelargon PK13-14. I don't control ph level, but previous two plants don't have this problem.
Leaves. Color · Mottling
5y ago
1
3
Solved
SeanR
BROWN SPOTS on seedling leaves!! PLS HELP!!
My Seedlings are at day 10 now and on 1 of them, im starting to notice small brown spots on it. -coco medium -PH 6-6.1 -current feed EC at 425 -feeding once a day, water with calmag (7ml for 10L water), and root protection (hydroguard) -temp 25-27C, Humidity 70-80%
… Show more
Leaves. Color · Mottling
6y ago
3
Solved
Dante
There are some strange spots on some of the leaves. Does anyone know what they are?
Week 4
Leaves. Color · Mottling
8y ago
2
Solved
Bennygen2
Is this nutrients
Does this look like a nutrition problem? Grown in bio bizz light mix she's a zkittlez authaven't done grow diary yet so can't link she's just gone on to 1ml per l of bio grow and has always been cal.mag also used pirana and nevana from advanced nutrients any help would be awesome
Leaves. Color · Yellow
Leaves. Color · Mottling
Feeding. Deficiencies
4y ago
1
2
Solved
MoWax
Yellow spots and dry ends on leaves
Hello! What could be wrong with the plant on the left? What do the spots on the leaves indicate? They are 17 days old.. Thanks for the info
Leaves. Dropping off
Leaves. Color · Yellow
Leaves. Color · Mottling
2y ago
2
2