Cerastium tomentosum Cerastium tomentosumCommon name(s): Snow-in-SummerBlooming time: springBlooming colors: whiteHeight: up to 20 cmOrigin: ItalyHardiness zone (USDA): Z4 – up to -28 °CFamily: CaryophyllaceaeRelated plants:Dianthus deltoidesDianthus plumariusSagina subulataSaponaria ocymoidesSilene coronaria