Viburnum rhytidophyllum Viburnum rhytidophyllumCommon name(s): Leatherleaf ViburnumBlooming time: spring to early summerBlooming colors: whiteHeight: 2 to 6 mOrigin: ChinaHardiness zone (USDA): Z6 – up to -18 °CFamily: AdoxaceaeRelated plants:Viburnum tinus