Cannot Identify Problem With Impatiens Walleriana.

Question

Hi there, I’m very concerned because I love my walleriana hanging basket and some of the leaves have progressively been looking worse recently with a sandy appearance developing on the top of the leaves only. I can’t seem to find anywhere on the internet this exact issue. I don’t think its a mildew because it doesn’t wipe off and it’s only on the top of the leaves. It’s also not really white but brown/yellow… What am I doing wrong?

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Answer 1

That is, classic, spider mite damage, unfortunately! This will take some diligence to get rid of. Here are some articles that will help:

https://www.gardeningknowhow.com/plant-problems/pests/insects/spider-mite-control.htm

https://www.gardeningknowhow.com/plant-problems/pests/insects/spider-mite-treatment.htm

https://www.gardeningknowhow.com/plant-problems/pests/pesticides

https://www.gardeningknowhow.com/special/organic/natural-home-pesticides-organic-garden-pest-control.htm

https://www.gardeningknowhow.com/special/organic/what-are-organic-pesticides.htm