Campanula Bells Blue. Campanula persicifolia blue bell is a charming upright perennial producing a summer display of slender stems adorned with outward facing bell shaped blooms in a rich shade of blue. Genus campanula may be annuals herbaceous or evergreen perennials with bell or star shaped often blue flowers in late spring or summer details c.
Slender the flowering stems often become so weak that the entire plant bends over. Very compact habit allows for high density production. Seed variety of campanula cochleariifolia allows flexibility for production scheduling.
It s useful for growing in rockeries and alpine troughs and is robust enough to plant at the front of a border where it will.
It is aptly named campanula americana the common name is tall bellflower. Delicate and graceful campanula rotundifolia bluebell is an upright perennial with attractive bell shaped nodding blue violet flowers that hang singly or in clusters at the tip of erect stems throughout summer. Some campanula have double flowers. Campanula carpatica blaue clips is a pretty campanula with purple blue flowers.