Perennial: The Festival series flower early & offer an extended flowering period covering spring-fall. A nice compact mound of blue-green foliage producing a multitude of very small, semi-dbl white flowers. Works well in clusters near the front of gardens as well as in rock & alpine gardens. Mainstay filler plant of the floral industry. Sprays are frequently used as filler in bouquets & arrangements. Ht: 36". Width: 24". Exp.: full sun/pt shade. Water: mod. USDA Z4.