Sun: Full sun to part shade
Water Needs: Low, Average
Spread: Self-seeding and creeping rhozomes without being aggresive.
Bloom Time: May-June
Bloom Description: Purple, blue-violet
Soil Drainage: Moist but well-drained
Suggested Use: Well-suited for border fronts, rock gardens, cottage gardens or prairies.
Wildlife: Larval host plant for several varieties of fritillary butterflies.
Notes: Multiplies, naturalizes. Easy, hardy and adaptable. Deadhead to prolong flowering.