Large shrub-like native with lavender-blue petals with yellow center disk. Tall arched branches with smooth slender leaves grow approx 3-4 ft tall in dry to medium soil. Blooms in full sun Aug-Oct. 
Stems can be trimmed before mid July to promote a sturdy growth habit, but might prolong bloom time. 
Critical late season nectar for Monarch butterflies before migration & bees before winter store. Deer resistant.
Sold in 2x3" pots.