Annual or Tender Perennial: Great as a ground cover, in boders, pots, hanging baskets, rock gardens and window boxes. Easy to grow. Very heat tolerant. Attracts butterflies. Grow in full sun or part shade. Bloom time: spring - fall. Bloom color: periwinkle blue with white throat. Water: moderate. Height: 6-8". Spread: 10-18" USDA Z10.