This is an attractive, easy-to-grow perennial, best planted in masses. Blue-violet flowers are tall spikes above the foliage. Canopy coverage: 3 square feet.
Water Requirement: moderate
Sun Exposure: full sun
Cold Hardiness: cold hardy to 10F
Growth Rate: fast
Height: 2 feet high
Width: 2 feet wide
Evergreen
Foliage Color: bright green
Flower Color: blue
Flower Season: summer, fall
Wildlife: hummingbirds