Landscape | Excellent in flower borders or beds. |
Propagation | Propagate by division in spring or by basal cuttings in early to mid-spring. May also be cultivated by seed, but will not come true. |
Cultivation | Grow in full sun or partial shade (although is shade is tolerated) in any moderately fertile soil that is not waterlogged. Cut back after flowering to encourage a fresh flush of flowers and leaves. |
Pests | May be attacked by vine weevils, capsid bugs and sawflies, as well as by downy mildew and powdery mildews. |
Notable Specimens | Royal Botanical Gardens, Burlington, Ontario, Canada. |
Habitat | Horticultural origin. |
Leaf Description | Leaves are neat, dense and lobed. |
Flower Description | Flowers are violet-blue in colour, bowl-shaped with a white centre, growing up to 5 cm in diameter. |