Thrift Also called sea pink or common thrift (Armeria maritima) Grasslike evergreen with narrow leaves. Six inches tall. During spring and most of summer in cool situations 10-inch flower stems bear 3/4-inch clusters of white, pink, rose, or lilac flowers. Intermittent bloom in warm zones. Zone: 2-10 Light: sun Comments Billowing cover in rock gardens or beds. Does well in sandy soil, near seashore, or in nearly any well-drained soil in full sun. Division of one large clump yields hundreds of new starts. Space plants 8 to 12 inches apart in early spring or early fall. Mulch between plants. For best appearance, lift, divide, and replant when centers of old plants die. Feed with slow-release fertilizer in early spring; again in early fall.