Applying compost to knockout roses

Asked October 18, 2017, 11:55 AM EDT

when should I apply compost to knockout roses?

Anne Arundel County Maryland shrubs compost knockout roses

1 Response

If you are referring to a top dressing, you can apply an inch or two around the base of the plant in the fall or spring. Here is more information on Knockout Roses http://extension.umd.edu/hgic/rose-rosenot-always-look-%E2%80%98knock-out%E2%80%99-landscape-roses

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