Perennial: Fast growing, heavy blooming plants with trailing, compact growth habit producing an abundance of small, Petunia-like flowers spring-fall. Excellent for use as a ground cover, in a combination bed and various containers. Attracts hummingbirds. Plant in full sun in moist, well-drained soil. Avoid overwatering. Bloom color: white with a yellow throat. Height: 6-12". Spread: 12-24". USDA Z8.