Bellflower Zone 5. 1 9 Whats My Zone. Plants form a low mat of deep green foliage bearing short sprays of fragrant mauve-blue flowers in early summer.
Included in the least hardy are the milky bellflower lactiflora and delphinium bellflower latiloba. They are cold-hardy plants that are useful specimens in areas with hard winters. A three- to six-foot-tall moisture-loving beauty it sends up huge trusses of blue pink white or mauve starry bells in late summer and will repeat into autumn if the spent truss is cut at the lowest flower on the stem.
To -122 C 10 F.
25092020 Bellflowers Campanula spp are spring- or summer-flowering annuals biennials and perennials known for their bell-shaped blooms. Easy to grow and very cold hardy the bell-shaped blooms are a great choice for containers the front of the border or even for establishing a colorful and long-lasting ground cover. Augusta Boothbay Bridgeton Buxton Cape Neddick Damariscotta Fryeburg Hallowell Kittery Limington Monmouth Norway Sanford South Paris Springvale Winthrop. 6- to 12-inch spread wide.