|'Robert Bloom' is a fast growing perennial. Ideal plant for low maintenance gardens. Profuse mahogany-centered flowerheads with large mauve-crimson petals, atop reddish-green stems. This perennial blooms all summer and into fall. Basal leaves are 6 inches long and ovate, stem leaves are ovate to lance shaped and 3 to 8 inches long. Superb in the perennial or mixed border. Good cut flower. May be divided in spring or fall. Plant in full sun; requires average soil.