Seasonal flower colour is what we do best33 we39re pleased to add this hardy late spring perennial to our books so you can bridge the gap between spring and summer displays this relatively unknown perennial plant offers a low45growing habit and clouds of white blooms use 39snow cloud39 as floral groundcover around larger perennials or grow it tumbling out of walls and rockeries in containers mix with other spring perennials or seasonal bedding plants and bulbs