The Grow Awards 2026 🏆
Start My Diary
Start My Diary
Login
Start My Diary
Home
Diaries
Strains
Shorts
Questions
Contests
Growers
Seeds
Breeders
Nutrients
Equipment
Blog
Login
Sign Up
Following
Follow
Brands
&
Growers
to get updates
Back to Grow Questions
White spots just appeared. Mold?
Harvey1
started grow question 5y ago
I just saw this today. Is this the start of powdery mildew? This plant is about 3 1/2 weeks.
Solved
Week 3
Leaves. White powder
likes
GMSgrows
answered grow question 5y ago
40 parts homoginized milk to 60 parts water spray affected area and repeat as necessary at lights out or near sundown. If your growing inside then lower your humidity. Cheers
1 like
Complain
Selected By The Grower
Similar Grow Questions
Solved
Jerrylarrydalton
Can someone take a look at my bruce pics an tell me if that's mildew? I've never had wpm or had to deal with it but I think most my plants have some sort of it on them.. is it that? Or? Is it my neem oil water mixture? I spray them prob every week an a half.. thanks.
Week 15
Leaves. White powder
6y ago
5
4
Solved
Ganjamanz
Small white spots on leaf
I have a ZKITTLEZ og auto seedling that has some small white spots appearing on one of the first true leafs, they won't rub off. Could anyone please tell me what it could be and what I maybe should do. Many thanks
Leaves. White powder
3y ago
2
1
Solved
IronGrower
Powdery mildew - end of week 3 of flower
Anything else I can do against the powdery mildew? I spray already few times a tea of: 10 g of dry field horsetail 1 Onion 1/2 Garlic ~ 500 ml lower HP water (i use a bit of natron) cook this for around 30 min very low. then i use 200 ml of these with 1 Liter of water and spra
Leaves. White powder
5y ago
1
1
Solved
kopperFloyd
White spots in leaves
What are those white dots and what should I do??
Week 8
Leaves. White powder
5y ago
1
3
Solved
Ah_never_mind
Guy she is having white dots,i dont know what is it ? Guys help me
Week 4
Leaves. White powder
5y ago
2
2
Solved
Tim839
My blue widow has some white spot on some leave and I think it could be a mushroo but I don't know what to do, she also has her leaves that are going down but I think that's just a lack of water because the weather was very hot this week, some leaves are also turning yellow
Week 9
Leaves. White powder
6y ago
3
2
Solved
yungchrist59
Question 1: Is the fertilizer I use the problem for one of the leaves dying or the scenario of me throwing a bit on it?
Week 2
Leaves. White powder
7y ago
1
4
Solved
Jworjik
White powder
I've been noticing some sort of white dust on the bottom leaves and stem. I wiped them off with a kitchen towel with water 2 days ago, but i noticed today that they are back. They look like cigarette aches. I'm not sure if it's powdery mildew. I'm not sure it's visible in the pic
Week 7
Leaves. White powder
5y ago
1
3
Solved
CreamOfTheCrop
Mold/Fungi
Today I've found white spots on some of the leaves. What could it be? Mold/Fungi? I've been strugglin real hard to keep the humidity below 50%, but due to the constant rainstorms I only manage to get it to 54% at daylight and 58-60% at nightime :(
Week 9
Leaves. White powder
Leaves. Other
Other. Mold
5y ago
1
2
Solved
masterofsmeagol
WPM
I found WPM on a few leaves. I was spraying spinosad at night. I stupidly thought spinosad would take care of that to. LED light showed much more PM but early stage. In A.M. sprayed 1tbsp baking soda, soap, veg oil per gal. Used 2 gallons. Will any of this interact? Thanks
Week 25
Leaves. White powder
5y ago
2
1
Solved
GrowStedyFlo
Powdery spots on leaves
Noticed powdery spots on some leaves this week (week 23-24). Plant is over 10 ft tall. Only fed water and got plenty of sun. What should I do to ensure a healthy harvest?
Week 24
Leaves. White powder
4y ago
5
4
Solved
dusk84
powdery mildew problem
I will try spraying the plants with hydrogen peroxide to get rid of powdery mildew. Would appreciate help with how to mix the solution and how many times to spray the plants?
Week 7
Leaves. White powder
4y ago
5
4
Solved
Cannabis_carlitos
Noticed past few days some white powder on my plants. I have two fans and carbon filter going 24-7. The carbon filter is at 60% How can I fix? Worried it's week 3 of flower.
Week 17
Leaves. White powder
3y ago
1
1
Solved
WitekMajestatyczny
Small white spots on leaves in germination phase.
Does anybody know if those small white spots are ok? I have water 7 pH and I add some citric acid to lower it to 6 pH, when I sprinkle the soil I lightly sprinkle the leaves as well and I'm not sure if it's the effect of dry citric acid or something else. Thanks.
Leaves. White powder
4y ago
11
7
Solved
Newbiegrower420
Is this thrips?
Do my girls have what they call thrips? If so what’s the best treatment? Thanks 🙏🏼 😊
Leaves. White powder
5y ago
1
1
Solved
fraankiiee
Albina vs decoloración
¿Alguién podría decrime qué tienen estas puntas? ¿Son albinas, decoloración o puntas blancas cargadas de tricomas?
Week 11
Leaves. White powder
4y ago
3
9
Solved
HighPinePharms
Is this normal?
Is this bugs or Fungus growth. It is not on any of the other plants just this one, I was misting the past couple of days put stop noticed light burn on leaves, keep temp between 76-80 and humidity 60-70%, I noticed this on the 14th
Leaves. White powder
Leaves. Other
3y ago
2
2
Solved
Jorge420
Mildew protection
So how you do you all prevent the plants from mildew ? you put some materials into the soil to make the plant stronger or just spray the plants once a week to protect it ? let me know your best solution
Leaves. White powder
4y ago
1
Solved
CuzICann_abis
Ok folks, went out to check the trichomes and smelled something funny...like mold. Saw these spots on several leaves and now I'm panicking so close to harvest. Let me know what you think and what I can do about it, if anything. Thanks!!
Week 11
Leaves. White powder
6y ago
3
1
Solved
Rojif
I had some dichotomous Earth at the bases and I believe some of the splotches came from when I was trying to kill some fungas gnats.
Week 4
Leaves. White powder
6y ago
1
2