Dieffenbachia
Q.

how do I treat the leaves on this plant? I think they are sunburned, from reading this.

Zone richton park | LIZJAMES95 added on August 10, 2019 | Answered

Only new leaves growing out are brown.

A.
A.Answers to this queston: Add Answer
BushDoctor
Certified GKH Gardening Expert
Answered on August 13, 2019

If these are outside, then possibly. If they are in window light, then you won't, usually, have to worry about sunbleaching.

This can also be caused by overwatering, or not letting the soil dry out just a touch before watering again. The most common cause of what you are seeing is, exactly, this.

If moving to a less heavily lit spot doesn't help, you will want to look to a fungicide.

This article will help: https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm

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