|A spreading and generously blooming perennial that reaches about 24 inches to 28 inches tall. Fern-like leaves are grayish white, linear, and toothed. Flowerheads are flattish clusters in white with creamy colored disk florets. Blooms midsummer to fall. This heat and drought tolerant perennial has a fiberous root system and can become invasive. Divide annually to maintain. Butterflies are attracted to this plant. Good cut flower that dries well too.