Light blue flowers bloom on tall stems in late spring and summer. With time, plantings form mats of flowers and foliage. Dies back in cold winter regions. Does not tolerate dry periods; maintain even moisture. Canopy coverage: 3 square feet.
Water Requirement: moderate, high
Sun Exposure: partial shade, full sun
Cold Hardiness: cold hardy to -20F
Growth Rate: moderate
Height: 2 feet high
Width: 2 feet wide
Evergreen
Foliage Color: dark green
Flower Color: white, blue
Flower Season: spring, summer