Quick Profile
Exposure
Full Sun
Partial Sun/Shade
Mature Height
18 -
24 Inches
USDA Hardiness Zones
3 - 9
Soil Conditions
Moist, Well-Drained
Foliage Color
Green
Yellow
Bloom Color
Blue
Purple
White
Bloom Season
June - September
Size
Medium
Features
Spreading plant with straplike grassy foliage
Culture
Prefers moist soil in sun to partial shade location.
Cultivars
'Billberry Ice' 12-18 inches tall, white flowers
'Concord Grape' 12-18 inches tall, purple flowers
'Sweet Kate' 18-24 inches tall, purple flowers, golden yellow foliage
'Zwanenburg' 18-24 inches tall, purple flowers
'Satin Doll' 12-18 inches tall, compact, pink flowers
Notes
Tolerates wet soils. Foliage tends to brown and die down and go dormant after it finishes blooming. Trim back to the ground and allow new foliage to develop along with some rebloom. Too much shade results in tall floppy plants. More sun results in better flowering.