1 - 2 Feet
USDA Hardiness Zones
5 - 9
July - September
Large decorative highly fringed flowers appear above a neat mound of foliage.
Moist well-drained soil in a full sun location
'Blue Danube' 12-18 inches tall, blue flowers with white centers
'Honeyray Purple' 12-14 inches tall, purple flowers
'Colorwheel' 15-18 inches tall, flowers change color through the day from white to lavender
'Mary Gregory' 12-18 inches tall, soft yellow flowers
'Klaus Jeletto' 12-18 inches tall, large blue flowers
Needs very good drainage especially over the winter. Deadhead to prolong bloom period. Drought tolerant once established. Attracts butterflies.