- 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
- 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.