What's your question? Ask


Q.Why Are My Zinnia Leaves Are Drying Up And Turning Brown?

Zone 27545 | KnightdaleGardener added on April 30, 2020 | Answered

My zinnia plants have been in the ground less than a week and already the leaves are drying up and looking terrible. Am I overwatering? We’ve also had quite a bit of rain recently. Or is this something else, like powdery mildew? Thank you!

A.Answers to this queston: Add Answer
Certified GKH Gardening Expert
Answered on May 4, 2020

If you have had rain, AND are watering- Yes, it has been very overwatered. The soil needs to dry completely to about 3 inches in ground before it receives water, ideally.

Overwatering will, first, suffocate the roots. This will lead to infection, which is what you are seeing now.

There are a few things that will need to be done, but it probably won't correct the issue this yea. It will help with the next planting, though.

First, I recommend treating with a fungicide/bactericide. There is a lot of overlap and it can be difficult to pin down an exact ID of the pest, so a fungicide is a better option if you do not not the pest in question.

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

I would recommend, most of all, a biofungicide. This is another group of microbes that will fight for your plant in the soil. They can, also, help prevent future infections. This article will help:


Once the soil has been treated, you will have much better success, even during the rainy seasons!

This article will help you with the general care of Zinnias:


Was this answer useful?

Log in or sign up to help answer this question.

Did you find this helpful? Share it with your friends!

You must be logged into your account to answer a question.

If you don't have an account sign up for an account now.

Looking for more?
here are more questions about...
Join Us - Sign up to get all the latest gardening tips!

Do you know a lot about gardening?
Become a GKH Gardening Expert