Perennial: A fast grower with masses of white Petunia-like flowers from spring-fall. Blooms don't close at night. Great for ground cover, beds, baskets, borders & pots. Attracts hummingbirds. Plant in sun/part shade in moist well-drained soil. Avoid overwatering. Compact, free-flowering, cascading & mounding growth habit: Height: 4-8". Spread: 12-16". USDA Z8. PPAF