Brighten your landscape with a burst of brilliant flowers that will return year after year. We make it easy with this all-in-one formula that contains natural wildflower seed, mulch, plant food, and soil conditioners. Our Perennial Mix is a carefully selected blend of a dozen popular perennial wildflowers, including Siberian wallflower, lance leaved coreopsis, sweet William, columbine, purple coneflower, and black-eyed Susan.