TheGardenLady received this question from Pat:
I am getting ready to plant Knockout Roses in my garden in northern South Carolina, and wonder how to best prepare the soil? We have very dense red clay mixed with some sand. Any recommendations on how to get these roses off to their best start in this type of soil?
Sorry it took so long to get back to you with a response, but TheGardenLady went right to one the sources of KnockOut Roses (see here) to get you the answer. I added a link to Permatill, a product mentioned in this column.
Here is the advice from a spokesperson for Novalis Plants that Work: