hollyhock leaves have reddish brown lumps underside and they melt away.

what is it and how do I treat the plant?

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1 Comment To "hollyhock leaves have reddish brown lumps underside and they melt away."

#1 Comment By GKH_Susan On 07/12/2020 @ 3:12 pm

It sounds like you have some kind of leaf gall on your plant. Here's an article that should help: https://www.gardeningknowhow.com/plant-problems/environmental/treating-leaf-gall-on-plants.htm ^[1]

The Missouri Botanical Garden's educational website also offers information on how to identify and treat the problem http://www.missouribotanicalgarden.org/gardens-gardening/your-garden/help-for-the-home-gardener/advice-tips-resources/pests-and-problems/diseases/rusts/rust-of-hollyhock.aspx ^[2]

Article printed from Gardening Know How Questions & Answers: https://questions.gardeningknowhow.com

URL to article: https://questions.gardeningknowhow.com/holly-hock-leaves-have-redish-brown-lumps-underside-and-they-welt-away/

URLs in this post:

[1] https://www.gardeningknowhow.com/plant-problems/environmental/treating-leaf-gall-on-plants.htm: https://www.gardeningknowhow.com/plant-problems/environmental/treating-leaf-gall-on-plants.htm

[2] http://www.missouribotanicalgarden.org/gardens-gardening/your-garden/help-for-the-home-gardener/advice-tips-resources/pests-and-problems/diseases/rusts/rust-of-hollyhock.aspx: http://www.missouribotanicalgarden.org/gardens-gardening/your-garden/help-for-the-home-gardener/advice-tips-resources/pests-and-problems/diseases/rusts/rust-of-hollyhock.aspx

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