Soil: Normal [ X ] Flowering: Late Summer [ X ] Spread: Slow [ X ]
Blue (1) Pink (4) Purple (2) Red (1) White (2)
60cm to 90cm (2) 90cm to 1.2m (3) Over 1.2m (5)
Part-shade (6) Shade (1) Sun (5)
Frost-hardy perennial (2) Hardy perennial (8)