"Cupid's Dart" and the Greek word Katanangke (a strong incentive) suggest that this was once used in love potions :: » Blooms mid summer to early fall (July-September) » Starburst-like flowers are cornflower-blue, foliage is grass-like and clump-forming » Tolerates full sun, or half-day shade » Grows 12-18", spreads 12-18" » Hardiness zones 3-8 » premium 3.5" pot (1.63pt / 770mL)