Purple flowers on dark purple stems with blue-green foliage. Shrub-like growth habit. Long lived perennial.
Moist well-drained soil in sun location. Prefers acidic soils and is drought tolerant once established.
'Purple Smoke' 3-4 feet tall purple flowers
'Solar Flare' 3-4 feet tall yellow flowers
'Twilight Prarieblues' 4 feet tall purple and yellow bicolor flowers
Additional pests and problems that may affect this plant:
Slow growing. Reported to be deer and rabbit resistant.