Bring whimsical color to a front porch or patio with Illusion in hanging baskets, mixed containers, or window boxes. This plant attracts hummingbirds and requires only regular water to flourish in full sun. Caliloco Illusion, also known as Million Bells or Trailing Petunia, is a flowering plant native to South America. This cultivar has a mounding habit of 6-12" tall and 12-24" wide with prolific trumpet-shaped pink flowers with magenta to blue to yellow centers from spring through late fall.