6 Inches -
USDA Hardiness Zones
3 - 8
July - August
Attractive long lived perennial with glossy green foliage and unique balloon shaped buds opening to star shaped flowers.
Well drained moist soil in a full sun to very light shade location
'Fairy Snow' 6-12 inches tall, white flowers
'Hakone Blue' 2 feet tall, blue flowers
'Mariesii' 18-24 inches tall, blue flowers
'Sentimental Blue' 6-12 inches tall, blue flowers
'Shell Pink' 18-24 inches tall, pink flowers
Plants are slow to establish. Prefer a high organic matter soil. Rarely needs division. Difficult to transplant. Very slow to emerge in the spring. Tall cultivars may require staking. Attractive clean foliage.