Perennial: The Calitastic series is very early to flower with an incredibly uniform habit. Fast growing & heavy blooming that produces an abundance of small, Petunia-like flowers from spring-fall. Excellent for use as a ground cover, in combination beds and containers. Attracts bees & hummingbirds. Full sun with moist, well-drained soil. Avoid overwatering. Bloom color: bright purple. Height: 6-12 inches. Width: 8-12 inches. USDA Z8.