Knockout Rose Bushes

Replanting Knockout Roses.

Zone Elmhurst, Il Zone 5 | BEEGEE added on July 23, 2019 | Answered

My 6 Knockout Rose bushes has a " Virus ", Leaves and flowers shriveled up, and spreading to the healthy plants as well. I dug them up and got rid of them. When can I replant knockout roses ?. Will the harsh Chicago winters Kill the virus, so I can plant next spring ?. What do I do to prevent this from recurring ?

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    Certified GKH Gardening Expert
    Answered on July 23, 2019

    So sorry to hear this. If it truly is rose rosette disease, there is not much one can do. If you dig out the soils in the area of each rosebush about 30 inches in diameter by at least 18 inches deep, sort out all the root matter you can, then mix with a good bagged garden soil with mulch in it. You should be able to replant whenever you are ready to. I will provide you a link on some rose rosette information as well. Link:

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