Annual: The Lobelia HOTPOT series have extreme heat tolerance!, large flowers, heavy branching, compact growth, and early and season-long flowering. Great for containers, hanging baskets, borders, and mass plantings. Bloom time: spring-fall. Bloom color: purple. Mounding, compact growth habit. Height: 8-12 inches. Width: 6-8 inches. Exposure: sun/part shade. Water: moderate.