Cerastium tomentosum Plant Data Family Name: Caryophyllaceae Common Name: snow-in-summer Other Name(s): Cerastium tomentosum Hardiness Zones: Zone 4: (-34 to -29 C) Plant Code: ceto Flowering Time: Jun, Jul, Aug, Flowering Color: White, Leaf Form: Simple, Leaf Arrangement: Opposite, Leaf Shape: Lanceolate, Linear, Spatulate, PlantSomething BC Garden Centre Listings No members have selected this plant.