Vote Now 🏆 for the Grow Awards 2025!
By continuing to use the website or clicking Accept you consent to our cookies and personal data policy and confirm that you are at least 18 year old. For details please see Privacy Policy and Terms
Accept
Help!! Anybody know what this weird substance on my plant is??
Colombian_goldstarted grow question 3 years ago
Don’t know what this white substance is. Looks like crystals, could it be dried nutrients or is it powdery mildew??? Never seen it before so a little worried. Thanks in advance for any help on this!
Solved
Leaves. Other
Other. Other
Roots. Other
likes
Chow_13answered grow question 3 years ago
Nothing to worry about. Not PM. Could be dried nuturents. My first thought was salt. Brush it off and continue on.
Happy Growing and good luck.
Similar Grow Questions
Solved
BostonGirlGrows
1/3 plants has leaves that are almost pointing straight up. I have read two opposing things. One being that the plant is actually “happy” soaking in the sun and directing it to the bud sites. The other being some sort of deficiency- either calcium or magnesium? Any thoughts?Week 10
Leaves. Other
6 years ago
6
3
Solved
Zonnetje
Pls check the video and photo i made in week 5.
Are those leaves something i need to worry about?Week 5
Leaves. Other
6 years ago
1
1
Solved
Lord_Will
Please help? All the leaves are getting discolored especially the bottom ones. The upper ones also appear discolored and she looks unwell overall. I gave her a flush on Day 78 and added bloom nutes but 4 days later (Day 81) and I am not seeing any improvements.Week 12
Leaves. Other
6 years ago
2
2
Solved
NIagaraFalls420
Any idea on what nutrient deficiency I'm having? plants are slowing starting to yellow at the tips of the older leaves as well as small yellowish/brownish spots. I think its either potassium or nitrogen. also whats the easiest way to fix? would manure and fertilizer work?Week 2
Leaves. Other
6 years ago
3
3
Solved
Jmanc
The slugs have got to my leaves pretty badly. Should I cut them off or leave them be?Week 5
Leaves. Other
6 years ago
1
3
Solved
GreenCanuck
Can anyone identify what is happening with the shade leaves in weeks 7 and 8?Week 8
Leaves. Other
6 years ago
2
2
Solved
Kitties_and_Colas
The drooping is all me, i should have watered sooner because we've had some extremely hot days this week but this yellowing has me concerned...Does this look like PH, nutrient issue, or just how auto's react under watering? I'm flushing atm, any suggestions?Week 7
Leaves. Other
6 years ago
3
2
Solved
JBOrganix
Wanted to check and see what others thoughts are on the new growths. I know it's been behind for the top dress which was just done so it'll be a day or 2 before shes getting good uptake again. Is the light green small growth near flower sites normal? Or is that a nutrient defic?Week 4
Leaves. Other
6 years ago
1
1
Solved
SlimShimey
The plants are now placed in rows, not on the windowtill but behind & below. This means that they’re:
1. Growing towards the window once again
2. Have parts of them barely exposed to the sunlight.
What do I do?
Do I let them grow how they want to? Should I trim away some leaves?Week 6
Leaves. Other
6 years ago
4
4
Solved
GanjaFarmar
Basically im seeing some deficiencies on plant number #1. It can be calmag but not too sure! Ive also been using filtered reverse osmosis water, which ive heard can cause deficiencies. Im thinking i might have boron deficiencies on my plants by the way it looks. Can someone helpWeek 2
Leaves. Other
6 years ago
6
4