Height: 30cm to 60cm [ X ] Spread: Fast [ X ]
Blue (2) Pink (3) Purple (2) Silver (1) White (3)
Part-shade (11) Shade (7) Sun (8)
Drained (11) Dry (3) Moist (8) Normal (10) Wet (1)
Early Summer (5) Mid Summer (3) Spring (2)
Frost-hardy perennial (1) Hardy perennial (10)