Smothered by deep blue flowers in late spring, this hardy perennial produces a sea of color right into autumn. An interspecific hybrid with sterile, pollen-free flowers and compact, dark green foliage, perfect for rock gardens and cottage borders, massed as ground cover or tucked into mixed container plantings.
Type: USDA Zone 5-9
Light: Full Sun, Partial Sun
Water: Water weekly, or more often in extreme heat or containers.
Size: Fast growth; reaches up to 8″ tall and wide.