Elegant spires of clear pink flowers are held candelabra like above purpls tinted foliage on strong upright stems to 90cm. Clump forming perennial for average soil in sun.
An attractive North American prairie species making upright plants with hairy leaves and spires of light purple flowers in summer to 60cm. Can be short lived but is very hardy.
Very rarely seen slow growing form with completely golden yellow new foliage fading to light green and single rich blue flowers in late winter and spring. 15cm.