---
title: "Anyone know what the issue is? I am most concerned about the black…"
description: "Anyone know what the issue is? I am most concerned about the black spots on the leaves in the center. These are from dahlias."
url: "https://getplanta.com/community/lKxUkhzRR_aIJD7o1QvtwQ/64c91b29757ede6382e05c3a?language=ja"
community: "Pests, diseases and problems"
author: "Lazy Gardener"
published: "2023-08-01T14:48:09.091Z"
language: "en"
image: "https://images.getplanta.com/v1/resize/uaCreljUfMSi64HTYluLhzjVoSZ9xDj14z51raOV4mo/1538e64ac8bd47a7ba49cf0c095895a0.webp?size=large"
---

[コミュニティ](https://getplanta.com/community.md?language=ja) / [Pests, diseases and problems](https://getplanta.com/community/lKxUkhzRR_aIJD7o1QvtwQ.md?language=ja)

# Anyone know what the issue is? I am most concerned about the black…

_Lazy Gardenerさんが2023-08-01に投稿しました_

Anyone know what the issue is? I am most concerned about the black spots on the leaves in the center. These are from dahlias.

![1件中1件目の添付ファイル](https://images.getplanta.com/v1/resize/uaCreljUfMSi64HTYluLhzjVoSZ9xDj14z51raOV4mo/1538e64ac8bd47a7ba49cf0c095895a0.webp?size=large)

## 2件のコメント

### Rhondaさんが2023-08-01にコメントしました

I think it’s some kind of mildew or fungus. I’ve seen it a lot on dahlias

### exitJiraffeさんが2023-08-02にコメントしました

Sooty mold perhaps?

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