|This is a fast growing, spreading perennial, treated as an annual in cooler areas. Flowers profusely throughout the summer, attracting butterflies. Leaves are 1 inch long, dark green, with coarsely toothed edges and a vivid yellow band. The yellow blooms appear in domed clusters, covering the plant from summer to frost. Thrives with full sun, low moisture and poor soil. Withstands salt spray too.