Found 2 matches:

Height: 60cm to 90cm [ X ]
Spread: Moderate [ X ]
Type: Frost-hardy peren [ X ]

Main Flower Colour

Pink (1)
White (1)

Aspect

Part-shade (2)
Sun (2)

Soil

Drained (2)
Moist (1)
Normal (2)

Flowering

Early Summer (1)
Mid Summer (1)