Perennial treated as an annual: Deer resistant. A vigorous, robust grower that is extremely heat tolerant. Great for beds, borders, ground cover, and various kinds of containers for instant color. Foliage: burgundy edged in gold. Bloom time: summer-fall. Bloom color: lavender. Height: 12-24 inches. Width: 15-24 inches. Exposure: sun/part shade. Thrives in moist spots, rich well-draining soil. USDA Z10-11.