Agapanthus ‘Storm Cloud’ is a medium-sized perennial that features narrow dark green, evergreen leaves. In early summer,  short stiff inflorescences rise above the foliage with large flowering heads of bright blue-violet flowers. This easy-to-care-for beauty prefers full sun to light shade with regular water. If you’re looking for an eye-catching flowering beauty, you will not be disappointed installing this plant in just about any Bay Area landscape.