Campanula ‘Pink Octopus’ has peculiar, pink, octopus-like petals rather than bells produced in profusion.

Large, rose pink bellflowers dangle lusciously from narrow stems.

Large, rose pink bellflowers dangle lusciously from narrow stems.

Campanula 'Sarastro' is a fragrant and floriferous bellflower with dark purple-blue bell-shaped flowers on branching stems.

'Summertime Blues' is said to be the longest-blooming upright bellflower graces the garden from spring through fall with silvery lavender-blue bells.