Check the winners The Grow Awards 2026 🏆
Start My Diary
Start My Diary
Log In
Start My Diary
Home
Diaries
Strains
Shorts
Questions
Contests
Growers
Seeds
Breeders
Nutrients
Equipment
Blog
English
Log In
Sign Up
Following
Follow
Brands
&
Growers
to get updates
Back to Grow Questions
Harmful mold/rot/fungus on degrading old plant matter?
Flex1
started grow question 3y ago
Mold/fungus? Harmful? Haven't seen something like this in my living soil and I suspect it could be from high moister or humidity level. Its only seen on old dead cover crop.
Solved
Other. Mold
likes
Organoman
answered grow question 3y ago
Not harmful at all, actually beneficial for your soil biology.
1 like
Complain
Selected By The Grower
GrowingGrannie
answered grow question 3y ago
I wouldn't worry about this... not at all... if it's just the old, dead cover crop, it's naturally decomposing... Good luck!
1 like
Complain
Flex1
answered grow question 3y ago
Update: seems fungus related not mold. Not certain it's harmful rather just part of living soil.
likes
Complain
Similar Grow Questions
Solved
foyef66149
Is it mold in flowering stage?
I've noticed some discoloration in 3 buds and I'm not sure what it is. I am at week 7 of the flowering stage. The strain is Honey Cream FAST version feminized. I was planning to start flushing and harvesting in 2 weeks. What should I do? Thanks in advance.
Buds. Other
Other. Mold
4y ago
4
4
Solved
Hoolyhead
Lot of mold on the end of branch should I be worried or will I be good for the next few days how are my buds lookin
Week 5
Other. Mold
5y ago
3
4
Solved
Michael1234
nutrient deficiency??
is it a nutrient deficiency? she was watered once with TerraVega after transplanting and starting the vegetation stage
Other. Mold
Feeding. Deficiences
Feeding. Other
5y ago
2
3
Solved
Boneco
Diferença das Auto para as feminizadas
Alguém me pode explicar a diferença das sementes auto para as sementes feminizadas ? Ao certo? Qual é a diferença ? Sem ser o horário de luz
Week 2
Other. Mold
5y ago
3
5
Solved
Elpicor
Smartpot harmful mold?
Hi guys, in the last two weeks a kind of mold has formed in the lower part of the smartpot, should I be worried? plant doesn't seem to have anything at the moment, the humidity is at 35 40% max, daily temperature max 30, min 20, do I have to flush to cleaning organic residual?
Other. Mold
4y ago
3
2
Solved
Raf87
Mashrooms and Plants Height
Is the height of the plants too much? They seems too high and weak. As you can see in the pictures I have to remove mashrooms every day, I reduced humidity value down to 55% and I keep open the room window and closet door to ensure air recirculation. Is it so bad?
Week 2
Other. Mold
Plant. Stem - Weak
5y ago
4
3
Solved
Dudeluke
Budrod ?!
Hi Guys I Harvested Today. While growing everything was absolutely Fine. At the end of the grow i put the plants in darkness for about 36 Hours. Today i saw something on the buds. It was a small Area which was Brown and looked very dry. Is it budrod or something like that ? Thx
Other. Mold
3y ago
5
10
Solved
malumalu
I am Having problems with humidity I already bought extractor of 220 cfm with 125mm downsized to a 100mm tube with a Carbon filtre of 190 cfm I bought a 75 watts 650ml/day dehumidifier I m watering less but more frequently and the Rh keep at 70% Please help me !!
Buds. Other
Other. Mold
Setup. Ventilation
4y ago
1
2
Solved
DonCorleone
Buds Problems
At week 11, 12-12 hours were taken. Flowering was 7-10 degrees in the first 4 weeks. It's 18-20 degrees right now. Will it continue to grow?
Buds. Other
Other. Mold
Plant. Too tall
4y ago
1
Solved
Spike-GreenGrower
Organic growers: question about mold
First picture includes both molds. Second picture is the 'spider-web' mold. (Good mold, correct?) Third picture is the unknown mold. (Is this good or bad mold?) The red wrigglers living in the soil eat mold, but can/should they eat the second mold? Should it be removed?
Week 21
Other. Mold
1y ago
10
8
Solved
Daves_not_here_man
Is this mold?
Noob here. Are the cloudy areas mold in this pic? I thought so and I chopped the cola to be safe.
Week 11
Other. Mold
6y ago
1
5
Solved
Theonewhogrows
Growing weed in high humidity
Can you grow weed in fall/ winter without a dehumidifier? Ice only grown weed a few years ago in summer time, when humidity was no problem. In fall/winter time it is very humid in my country, atleast 60% is it possible to grow without mold growing everywhere? Thanks in advance
Other. Mold
Other. General questions
Other. Other
3y ago
4
5
Solved
Beerus
Day 49 of 77, the top of the plant is touching the LED panel. Yellow tips on the top leaves.(pics above) It hasn't stop growing. Right now im bending it with thread, i researched about suppercroping. I would love some help on the matter. What should i do?
Week 7
Other. Mold
8y ago
2
1
Solved
jokgga
Mycelium or Fungus - Too much Part 2
I am seeing a ton of mycelium on all of my autopots. Because I have a bottom feed system, it is hard to keep my top medium wet without getting mold. Is this going to effect my end result if I do not do anything about this? Should I leave it alone or put sand on it? Thanks all
Week 7
Other. Mold
Other. General questions
Setup. Ventilation
6y ago
2
3
Solved
Georgekush42092
Green Perlite Please Help!!
I’ve noticed that my Perlite is starting to turn green? Currently day 14 humidity 60 and temps from 66-76. Using FFOF at 30/70 perlite mix. No nutrients at this time and all PH is 6.5. Please Help!!!!
Week 2
Other. Mold
3y ago
1
1
Solved
Accidental_Grower84
Mold in my early flowering?
I just inspected my plant and noticed some grey/darker areas in my buds, I cannot understand if it's due to the purple stem or it's just pure mold. What do you guys think? Is this Botrytis?
Week 10
Other. Mold
5y ago
2
2
Solved
LSDMan
Early Harvesting
Do you think I should harvest the early gorilla and the serious six # 2 right now? given the very rainy weather forecast? (Knowing that I am harvesting serious Six # 1 today, this only concerns the other two plants which are missing about 3/4 weeks of flowering)
Week 17
Other. Mold
6y ago
6
4
Solved
ZigkGrow
Pest or Deficiency
This leaf seems also bitten. There are 4 bitten leaves. I will be checking to see if they become more. Is this white powder?
Week 3
Other. Bugs
Other. Mold
Feeding. Deficiences
6y ago
1
Solved
Legendaryseedthumb
Deficiency?
Hey what is happening to my plant?
Leaves. Color - Pale
Leaves. Other
Other. Mold
5y ago
7
6
Solved
whoawhoa
Bugs? Funghi? Help me!
There are some white spots at the base of my stem, and I noticed that lady #1 haves some red/purple stems. 5min into Google and I'm already panicking here. Things that I read that made me worry: Scales, Fusarium, root rot and other fungi life. Should I continue freaking out? 😶
Week 3
Other. Bugs
Other. Mold
Plant. Stem - Red or purple
6y ago
4
5