Dianthus superbus (Fringed Pinks). Perennial. Summer Bloom. 12-20" height. Sun/Shade. 600,000 per pound. Origin: Europe. Zones: 3-9 Recommended Coverage: 1 oz. Up to 250 Sq. Ft -- 4 oz. Up to 1000 Sq. Ft -- 1 lb. Up to 4,000 Sq. Ft -- 5 lbs Up to 20,000 Sq. Ft