Gardenia Plants
Q.

Why Are Bottom Leaves on My Outside Gardenia Turning Black?

Zone don't know | ssjack added on November 9, 2011 | Answered

Why are the bottom leaves of my outside gardenia turning black? We live in central FL.

A.
A.Answers to this queston: Add Answer
Heather
Certified GKH Gardening Expert
Answered on November 14, 2011

Is it a black that rubs off? If this is the case, then this is sooty mold. It is a byproduct of a pest invasion. Sooty mold grows on the honeydew of several different pests. Treat the plants with both a fungicide (to kill the sooty mold) and a pesticide (to kill the pest).

00
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...
Gardenia Plants
Join Us - Sign up to get all the latest gardening tips!

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

Learn More