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Back to Grow Questions
Folhas com manchas escuras
HoobenWeed
started grow question 4y ago
Does anyone know what's happening with these leaves?
Solved
Plant. Stem · Red or purple
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GrowingGrannie
answered grow question 4y ago
Classic phosphorus deficiency... Read up about it here: https://www.growweedeasy.com/cannabis-plant-problems/phosphorus-deficiency Good luck!
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Similar Grow Questions
Solved
GrowAllOut
Purple stems on some seedlings?
Why would the plants on that edge of the tray have purple stems? Nutrient deficiency? I noticed the one I checked with a purple stem had more roots showing from the rockwool cube than any others... think they're trying harder to get to the juice cause they got shorted?
Week 1
Plant. Stem · Red or purple
6y ago
3
2
Solved
D42ONubie
Need help! Nutes, light, or something else going on..??
First grow, indoors. Candy Kush Auto currently at 8wks, flowering. Been going smooth up until 1wk ago. Now lower and mid fan leaves yellowing, browning, top leaves turning purple and look wilty, stems also deep purple color. Come this far, don’t want to loose her
Leaves. Veins · Yellow between
Leaves. Color · Mottling
Plant. Stem · Red or purple
5y ago
1
1
Solved
Eroben
Wilty
Is this just underwatering? (see pictures) LMK if anyone would like more info
Week 8
Leaves. Curl down
Leaves. Wilting
Plant. Stem · Red or purple
4y ago
2
4
Solved
BLAZED
Older leaves are yellowing, brown/red rusty spots, dying tissue, red stems.
Older leaves have brown/red rusty spots and looks like dying tissue in between the veins. Burnt tips, and yellowing leaves. The soil was really dry and my PH meter was 0.4 too high. I gave each plant 3L of water with EC: 0.0 PH: 6.4 to check runoff. Runoff was PH: 6.1 EC: 0.8
Week 7
Leaves. Tips · Burnt
Leaves. Color · Yellow
Plant. Stem · Red or purple
3y ago
3
2
Solved
jeannoTapin
Royal highness with purple stem. Is it a problem? Plant seem to be health Day temp is 26°C Night temp is 18-20°C
Week 8
Plant. Stem · Red or purple
3y ago
7
4
Solved
BudmanFlyingjoint
Should incres the EC?
Should incres the EC? Right now is on EC:0,8 PH:5,9 TA Nutrient She's genetic is Zkittles Auto
Leaves. Veins · Stay green
Plant. Stem · Red or purple
3y ago
2
4
Solved
Phurlax
stem went from white to brown/purple
any body know why my stem turned a darker red/purple/brown color? Seems to be doing fine and has proper ventilation etc. Its in fox farm ocean forest watered&misted with plain dechlorinated water about 3-4 days after planting.
Week 1
Plant. Stem · Red or purple
6y ago
4
3
Solved
GlockAbuser
Is this new growth or a nitrogen deficiency
Is this a sign of nitrogen deficiency? Or is it just lots of new growth?
Leaves. Color · Yellow
Plant. Stem · Weak
Plant. Stem · Red or purple
3y ago
4
Solved
Khmma46511
Buds stems
12 weeks old 3rd week of flowering, I'm worried do the stems n buds look alright or normal, 1st grow here, i have nightmares about her. I am working on anphid problem. I really dislike them.. I gave her a bath, sprayed with insecticidal soap, little boogers are still there.
Buds. Other
Plant. Stem · Red or purple
6y ago
1
Solved
Killabarbie
Deficiency or genetic?
Hey growmies, I need your help again 🙂 the French Macaron have purple stems since three days and no other signs of deficiency or burn. I know that this strain getting really dark an purple, but so early? Night Temps are between 18-20°. Thanks and stay safe
Week 7
Plant. Stem · Red or purple
7y ago
9
5
Solved
Randy_Custy
Does this look normal? Purple areas on stem appearing on multiple plants. Day 22 flower
Hi guys, I just defoliated my plants the other day and today I noticed these purple areas on the main stem of 2 of the plants. Does this look normal or like some sort of deficiency, or could it be stress related from the defoliation?
Plant. Stem · Red or purple
6y ago
1
2
Solved
Skyhi
Not sure why the plants leaves are curling downwards. Slight yellowing and red stem on one seedling. I havent fed much nutrients so I dont think its nutrient burn. Can anyone tell we what Im doing wrong? Assistance will be much appreciated
Week 2
Leaves. Curl down
Leaves. Color · Yellow
Plant. Stem · Red or purple
4y ago
3
3
Solved
grassfanatic
How to fix nutrient issue
I’m wondering if it is nutrient lockout my plant is experiencing. I did some defoliation on day 40 but now i will stop to not further stress the plant. I use citric acid as ph down and runoff ph is 7.1. Day 41 and still no vertical growthe or much new leaves :/
Week 6
Leaves. Veins · Yellow between
Leaves. Color · Yellow
Plant. Stem · Red or purple
1y ago
11
6
Solved
NIagaraFalls420
Leaves continue to get yellow and fall off. Plant dying, bud looks okay.
Still having issues with my plant. Leaves are getting more and more yellow and 2 have fallen off. Pretty far from harvest still for the leaves to be getting this yellow. Temps in tent are 18-22 c with leds 200w act wattage. Overwatered once but I doubt it would cause this. Ideas?
Week 7
Leaves. Dropping off
Leaves. Color · Yellow
Plant. Stem · Red or purple
6y ago
4
3
Solved
Kwczekus
Missing nutrients high ph
I put my moisture/light/pH thing in the soil and it is high in alkaline. We have a lot of Alkaline in our water here. Soil is made out on my growers farm. She has grown for 30yrs now. Never had these problems till this year. What can I use to compensate and bring the ph down?
Leaves. Veins · Yellow between
Plant. Stem · Red or purple
4y ago
3
2
Solved
Natrona
Brown tips and purple stems
What is causing brown tips and purple stems om my OG Kush? She is 9 inches from the light and recieving 850-1000 ppm fertilizer 2xper week. She is in week 2 of flower.
Week 8
Plant. Stem · Red or purple
4y ago
7
8
Solved
SlamFM
Natural or Problem?
Is this natural yellowing or is there a problem? pH to 6.3 and runoff is 5.7. The stem is awfully purple, watering/feeding is where I struggle. 1st pic - 4/21 and 2nd pic - today(4/24). Seems to have escalated over the last few days. Do-si-do auto about 10 weeks.
Leaves. Color · Yellow
Plant. Stem · Red or purple
2y ago
3
5
Solved
Mattuston
Purple Stems
Hi, Phenos like Sideral do not normally tend to color at the end of flowering (unlike Wedding Cake). However, the stems are already quite purple! I know low temperatures cause stress causing staining, but that much ? UV's and IR's of led light? An excess of something? Thx a Lot �
Week 12
Plant. Stem · Red or purple
6y ago
1
1
Solved
Mekster
Turned purple and bent down.
Is the soil too hot? Had her in water and planted in soil today. Did I mess up? Usually DWC grower. Trying something new.
Leaves. Color · Dark-purple
Plant. Stem · Red or purple
3y ago
3
Solved
buddhi_coop
Red stem
I got a pink stem on my Runtz plant. Just transplanted it from a 1 gall to. 5 gall 2 days ago & I did drop it on its stem 2 times. Now the stems red & ive been worried ever since I dropped it that it’s not gonna make it. Why are my stems red ? Is it the amount of nutrients ?
Plant. Stem · Red or purple
Roots. Too few
Feeding. Other
6y ago
2
3