Bellflower
Campanula

Deep Blue Clips
Light: Full sun to part shade
Height: 8"
Spacing: 12"
Flowers: June-Aug 
Flower Colour: Blue
Foliage: Green
Comments: Heart shaped mound

 

Pearl Deep Blue
Light: Full sun to part shade
Height: 12"
Spread: 16"
Flower: Summer
Flower Colour: Bright blue
Foliage: Green
Comments: Cushion shaped mound with upward facing blooms
Campanula carpatica 'Pearl Deep Blue' | Perennial Resource
Glomerata Superba
Light: Part to full sun
Height: 26"
Spacing: 26"
Flowers: Summer
Flower Colour: Purple, funnel shaped
Foliage: Green
Comments: Prune back to encourage re-blooming.
               
Champion Pink (Campanula medium)

( Cup & saucer plant)
Light: Full sun to part sun
Height: 20- 24"
Spacing: 12-18"
Flowers: June- August
Flower Colour: Shell pink
Foliage: Green
Comments: Deadhead to increase the blooms produced.

 

Canterbury Bells) Campanula medium Champion Pink from Swift Greenhouses
White Clips
Light: Full sun to part shade
Height: 8"
Spacing: 12"
Flowers: June-Aug 
Flower Colour: White
Foliage: Green
Comments: Heart shaped mound