Single white bell flowers from June to September. Height to 3ft (1m). Well drained soil in sun or light shade.   ..

Upright perennial with glossy, bright green leaves and cup shaped blue flowers on delicate stems to around 90cm tall. Fertile soil in sun or light shade.   ..

Upright perennial with glossy, bright green leaves and cup shaped, nodding blue flowers held on delicate stems upto 1m tall. Spread to around 30cm. Grow in fertile but well drained soil in full sun..