Campanula poscharskyana 'Alba'
White Serbian Bellflower

An herbaceous perennial with a cascading, trailing growth habit. Flowers are white and star-shaped. Blooms from late spring through summer. Foliage is medium green. Forms a small, showy groundcover. Attracts hummingbirds.

USDA zones: 4 - 7
Sunset zones: 1 - 12, 14 - 24
Mature size: 8 inches high and 20 inches wide
Light needs: light shade or full sun in cool climates
Water needs: moderate to regular water