Colour: Purple [ X ] Flowering: Mid Summer [ X ] Spread: Slow [ X ]
0 to 30cm (1) 90cm to 1.2m (2) Over 1.2m (1)
Part-shade (3) Shade (2) Sun (2)
Drained (4) Dry (1) Moist (3) Normal (3) Wet (1)
Frost-hardy perennial (1) Hardy perennial (3)