Find out about 17 plant varieties and how to care for them in specific zones.
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- Upright perennial with dissected gray foliage and soft yellow flowers in summer
- Plant in full sun; divide in spring every few years
- Plant in average, well-drained soil
- Deadhead to prevent unwanted seedlings
- Height: 18-24 inches
- Width: 15-18 inches
- Hardy in zones 6-11:
Zones 6-11: Plant in spring; plant in full sun; mulch in fall; pull back mulch in spring.
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