This tall stately flower has beautiful cup-shaped blue flowers in the summer. A lovely flower in the garden, it is also a long-lasting , long-stemmed cut flower. It get it’s name from the buds of the flowers which look like tiny balloons. Height: 2 to 3 feet. Plant in full sun but will tolerate light shade. Hardy in zones 4-9. Plants are shipped in 3.5 inch containers.