Pothos Plants
Q.

Pothos has white grainy gravel-like stuff on underside of leaves

Zone I live in northern New Jersey | marysea2 added on September 26, 2015 | Answered

My Pothos has white grainy gravel-like exudate on the underside of the leaves. Is this something I need to be concerned about? The plant looks healthy but the underpart of the leaves looks as if someone splashed milk on the underside of the leaves.

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on September 28, 2015

Without seeing the substance I would be on the cautious side and treat with Neem Oil.
Neem Oil works as both an insecticide and fungicide and is safe for people and pets.

If this is a newly purchased plant it is likely it is a residue from watering, fertilizer and pest control from the greenhouse grower.
It could be just wiped away with a damp, soft cloth.

Here is a link with more information.

https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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