Colour: Blue [ X ] Flowering: Early Summer [ X ] Type: Hardy perennial [ X ]
0 to 30cm (7) 30cm to 60cm (9) 60cm to 90cm (1) Ground cover (5)
Part-shade (17) Shade (4) Sun (19)
Drained (22) Dry (8) Moist (13) Normal (16) Wet (1)
Fast (8) Moderate (12) Slow (1) Very Fast (1)