---
title: "Noticed this yellow orange stuff on my cactus today. Any idea what it…"
description: "Noticed this yellow orange stuff on my cactus today. Any idea what it is or how I could help?"
url: "https://getplanta.com/community/lKxUkhzRR_aIJD7o1QvtwQ/VyaCc4ky5hjR5duY4VT4yh?language=ja"
community: "Pests, diseases and problems"
author: "Alexander 🌵🌱🌿🪴🌻"
published: "2025-03-21T05:19:23.616815Z"
language: "en"
image: "https://images.getplanta.com/v1/resize/O4UPfDgVOKMtdG8HMaWaVcYmcgXrVXwGAeZ5BrvxuVc/LP8KyYGkT_mMMJczSQyVtA.webp?size=large"
---

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# Noticed this yellow orange stuff on my cactus today. Any idea what it…

_Alexander 🌵🌱🌿🪴🌻さんが2025-03-21に投稿しました_

Noticed this yellow orange stuff on my cactus today. Any idea what it is or how I could help?

![1件中1件目の添付ファイル](https://images.getplanta.com/v1/resize/O4UPfDgVOKMtdG8HMaWaVcYmcgXrVXwGAeZ5BrvxuVc/LP8KyYGkT_mMMJczSQyVtA.webp?size=large)

## 2件のコメント

### Tokkomioさんが2025-03-21にコメントしました

Not too familiar with rust fungus but it kinda looks like that with the orange hue and spotty pattern. I'd treat it with some fungicide

### Alexander 🌵🌱🌿🪴🌻さんが2025-03-21にコメントしました

Thank you!

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