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Coneflowers are perennial plants but the tops will die down with your first frost. When this happens you can prune away the dead stems and then cover over the top of the plant with 3-4 inches of organic mulch, shredded leaves, pine needles or pine boughs. The organic mulch will help insulate the roots from the winter cold. In the spring you can rake or brush away the organic material and your plants will sprout new stems, leaves and flowers. Enjoy! |
