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Q.What Is Going On With This Lily-of-the-valley?

Zone 02474 | Anonymous added on July 17, 2026 | Answered

Are they impacted or is this a disease?

GKH_Susan

Certified GKH Gardening Expert

Answered on July 17, 2026

It looks like it could be a leaf spot disease. Water may be collecting around the foliage, causing a fungal disease. A fungicide may stop it from spreading. These articles should help:

https://extension.psu.edu/lily-of-the-valley-convallaria-diseases

https://www.gardeningknowhow.com/ornamental/bulbs/lily-of-the-valley/lily-of-the-valley-diseases.htm

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Q.What Is Going On With This Lily-of-the-valley?

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