• Plant in humus-enriched, moist, well-drained soil in full sun
    to partial shade.
  • Space 24″ apart.
  • In spring, thin new shoots to 4-6 stems.
  • Deadhead to keep the plant vigorous.
  • Water deeply during periods of drought. Avoid
    wetting the foliage; plant is susceptible to powdery
    mildew.
  • Divide plants every 2-3 years in early fall.
  • Replant only small, strong outer divisions.
  • Grows 36-60″ tall.
  • Blooms June-September.
  • Hardy in zones 3-8.