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Back to Grow Questions
Nutrient burn/nitrogen toxicity?
Tubington9
started grow question 4y ago
I seem to be experiencing nutrient burn and nitrogen toxicity, is this fixed by just flushing with PH’d water for the next couple feedings?
Solved
Leaves. Tips - Burnt
likes
ChitownCannaChica
answered grow question 4y ago
Yes! Do exactly that! Major tip burn and curl! ✌️🏻💚🌿💨
1 like
Complain
Selected By The Grower
Similar Grow Questions
Solved
Smokeybbq88
Diagnosis.
Can someone diagnose this problem for me please. I'm putting it down to nute burn but would like a second opinion.
Leaves. Tips - Burnt
Leaves. Curl up
Leaves. Color - Yellow
5y ago
2
4
Solved
Homegrown_Meds
Anyone's take on the browning on some of the leaves? Thinking maybe pests or nute burn?? Appreciate any help or thoughts on the situation. Thanks 😁🖐️
Week 9
Leaves. Tips - Burnt
6y ago
3
3
Solved
6ix6ix6ix
(Mimosa auto in coco) Yellowing tips on new growth
The top of the plant (new growth) is showing some unhealthy signs. The tips of the leaves are yellow and there are lighter green stripes on the leaves themselves. I googled and the signs match to a number of deficiencies, but i lack the experience to diagnose correctly. Plz help
Week 5
Leaves. Tips - Burnt
Leaves. Color - Yellow
3y ago
2
3
Solved
Goblinman
CalMag Deficiency?
Hi, I've noticed these spots appear on one of my plants and a burnt end on it's neighbor. Do I need to up my MagCal?
Leaves. Tips - Burnt
Leaves. Color - Yellow
3y ago
1
2
Solved
Jose671
What could this be?
High fam. New grower here and wanted to know what this means and how can I fix it/prevent it. Take a look at the leaves start forming brown spots. I only see it in a couple of leaves and slight browning at the tips. Please help. Thank you. Many mote questions to come.
Leaves. Edges burnt
Leaves. Tips - Burnt
9mo ago
4
Solved
Verbalist
Getting out of the ideas - VPD, nutrients or deficiency?
I'm getting out of the ideas as the foliar symptoms proceed. Lowered EC down to 1.8 from 2.2, pH in range. VPD is getting problematic as the plants seem to be respirating a lot during the day and it rises tent RH sometimes up to 70% - exhaust duct fan wont keep up. Temps 22-24C
Leaves. Edges burnt
Leaves. Tips - Burnt
Leaves. Curl up
3y ago
1
Solved
RudieCantFail
Cal/mag problem or heat issue?
A few leaves have some problem spots popping up here in week 6 (see pics). No nutes, PH’d water. FFOF/HF/Perlite mix for medium under 20 hours of light. I’m guessing either got too hot from being in 90F heat for an hour or needs cal/mag? Any advice from any veterans out there?
Week 6
Leaves. Edges burnt
Leaves. Tips - Burnt
5y ago
1
1
Solved
Whitey307
Nutrients burn light burn
Hi all can anyone tell me if this is light burn or nutrients burn. I've marshydro ts1000 2x2 lowered light to 22 inches on 60 percent and upped nutrients from .05 to 1ml a litre so have moved light back to 25 inches 50 percent and flushed with water and calmag at ec 1.0 any ideas
Leaves. Tips - Burnt
2y ago
7
7
Solved
Aleatoric
Possibly Potassium Deficient? Based on ALL the pics I could find, but not sure.
I noticed these brown splotches and leaf edges on one area bud and pistils of my Orange Sherbet last night. Based on what I can find online, this might be potassium deficiency? This is mostly on one spot near darkest edge when tent closed. Thanks!
Week 5
Leaves. Edges burnt
Leaves. Tips - Burnt
Leaves. Color - Dark-brown
1y ago
3
3
Solved
skeeter
I have black spots and burnt edges on a couple leaves. Some of the leaves are also curling down which I'm guessing is too much nutrients.
Week 10
Leaves. Edges burnt
Leaves. Tips - Burnt
Leaves. Curl down
4y ago
3
6
Solved
Nocturnalgardener
Calcium Deff
im just wondering if you think this is a calcium deff?
Week 9
Leaves. Tips - Burnt
Leaves. Color - Black or grey
4y ago
2
1
Solved
Cedji_Grows
Second week of veg now and one of my 2 plants is showing some weird symptomes... can anyone tell me what is wrong with it? I really wouldn't know :(. 😵
Week 2
Leaves. Tips - Burnt
6y ago
1
1
Solved
blackcald
Strange brown dots.
What is it?
Week 1
Leaves. Edges burnt
Leaves. Tips - Burnt
5y ago
1
4
Solved
aussiegrower
stunted seedling/early life suffering
Anyone have any idea what's wrong with her? More pics in diary (purple sunset)
Week 2
Leaves. Tips - Burnt
Plant. Too short
Plant. Twisted
4y ago
1
3
Solved
Noob_quest
Yellow leaves black tips
What’s happening with this plant? After watering all my plants 2 days ago, one of them has been quite droopy and developed these yellow areas with dark tips. Is it a watering issue / heat / deficiency? Thank you
Week 4
Leaves. Tips - Burnt
Leaves. Color - Yellow
5y ago
3
2
Solved
AlpAge_Cino
Discolored, burnt and curled up tips on higher leaves
Several symptoms, always on tips of higher leaves : they are discolored/burnt or burnt/curled up. LED @40cm (deemed 70% of 300W) and I just gave them the 2nd flowering feeding, 4 days after first one (pots were very light). I was planing to start compost tea... What should I do ?
Week 4
Leaves. Tips - Burnt
Leaves. Curl up
Leaves. Color - Pale
2y ago
3
2
Solved
Stolas2
Canoeing leaves and burnt ends
Canoeing and burnt tips of leaves. Temperature usually between 27 tp 29 degrees. Quite low humidity says 10% but not sure this is correct. Veg stage week 3 Any help greatly appreciated.
Leaves. Edges burnt
Leaves. Tips - Burnt
Leaves. Curl up
4y ago
3
Solved
Haitian
Plant issues
Hi, can anyone help me diagnose my plant issues please.
Leaves. Edges burnt
Leaves. Tips - Burnt
Leaves. Curl down
4y ago
3
3
Solved
Septooth
Leaves turning a yellowish color
My plants are turning a yellow color. The two in front were shorter than the one in back, so I raised the two in front 4" so they all received the same amount of light. Any ideas?
Week 7
Leaves. Tips - Burnt
Leaves. Curl down
Leaves. Color - Yellow
5y ago
2
4
Solved
Hotcerdi123
Is this a nutrient burn?
What do you guys think. Is my nutrient level too high? Currently in week 3 of flower with my 25liter pots and am ec of 1.5-1.6. Lower leaves look a little burned. Had some issues in the beginning with spider mites.
Week 7
Leaves. Edges burnt
Leaves. Tips - Burnt
Leaves. Curl up
5y ago
1