---
title: "Watering my aglaonema pictum tricolor and saw this…should I be…"
description: "Watering my aglaonema pictum tricolor and saw this…should I be concerned? Do I need to isolate it? Any ideas what could cause this to occur?"
url: "https://getplanta.com/community/lKxUkhzRR_aIJD7o1QvtwQ/3iAAorl4oUCG9EHsVSZ3TX"
community: "Pests, diseases and problems"
author: "Becca"
published: "2026-01-17T19:58:48.024255Z"
language: "en"
image: "https://images.getplanta.com/v1/resize/4x2vwCH5K-MQLpc7blKij4-jYj5SHsswR8KfZT05Ys8/LJV2_ZE4RZGni7zJBbiO3w.webp?size=large"
---

[Community](https://getplanta.com/community.md) / [Pests, diseases and problems](https://getplanta.com/community/lKxUkhzRR_aIJD7o1QvtwQ.md)

# Watering my aglaonema pictum tricolor and saw this…should I be…

_Posted by Becca on 2026-01-17_

Watering my aglaonema pictum tricolor and saw this…should I be concerned? Do I need to isolate it? Any ideas what could cause this to occur?

![Attachment 1 of 1](https://images.getplanta.com/v1/resize/4x2vwCH5K-MQLpc7blKij4-jYj5SHsswR8KfZT05Ys8/LJV2_ZE4RZGni7zJBbiO3w.webp?size=large)

## 1 comment

### zollol commented on 2026-01-17

Its natural, its called corking. When a plant gets large and mature enough, it will start to grow a tough bark.

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