What's your question? Ask

Hyacinth Plant

Q.Rust on Knockout Roses

Zone 5 | nothis added on April 26, 2012 | Answered

HELP! For the first time ever my knockouts have a terrible case of rust. My local garden center told me to use a product called BONIDE INFUSE. I was advised to spray Infuse and in a week or so cut them back to get rid of any infected leaves. I am very upset as I have 25 of them lining my driveway. What is the purpose of spraying a chemical to only cut them severly back? I do realize Infuse is a systemic, but, why waste product. What have you done if you have this horrible problem? HELP.

A.Answers to this queston: Add Answer
Nikki
Certified GKH Gardening Expert
Answered on April 27, 2012

This article should be of some help to you: https://www.gardeningknowhow.com/ornamental/flowers/roses/rose-rust-disease.htm

Also, our rose specialist normally recommends treating this issue with Green Cure fungicide, as it is both effective and safe to use (do chemicals to worry about).

Was this answer useful?
00

roseman
Answered on April 29, 2012

Nikki is correct. The article will give you some information and the Green Cure is proven very effective to help with this problem.

Was this answer useful?
00

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...
Hyacinth Plant
Join Us - Sign up to get all the latest gardening tips!

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

OK