USDA Zone 3 (-40°F) to USDA Zone 8 (30°F).
12" (31 cm)
Weekly during dry spells
Remove spent blooms
Vibrant long-blooming flowers attract butterflies. Beautiful in the rock garden, as a small-scale ground cover or at garden's edge, planted with Siberian iris, garden phlox, bellflowers and ornamental grasses. Attractive foliage with vibrant fall color.