 | Blue Waterfall Bellflower. The Blue Waterfall Bellflower (Campanula poscharskyana 'Camgood') is an ornamental perennial with showy blue, star-shaped flowers! Pollinators adore these plants and you will love these low-growing mounds as front-garden border edging. The Blue Waterfall Bellflower provides waves of blooms from late spring and well into summer. The 5 petaled flowers are a stand-out in any setting, with their stunning lavender bluish hues, offset with cream stamens. Cascading out from the dynamic light green foliage,... - Blue Waterfall Bellflower. |