Campanula 'Blue Waterfall' Bellflower has star-shaped, lavender blue flowers with small white centers that occur all along the stems. Campanula poscharskyana 'Blue Waterfall' blooms in midsummer. Campanula 'Blue Waterfall' is a great evergreen spreader whose stems can easily reach 2' during the growing season.

Campanula 'Blue Waterfall' prefers partial shade and moist, well-drained soil. Protect it from afternoon sun in warmer climates. It is a good perennial for containers as well as borders.