Common Name : heuchera 'Mer de marbre'Family : SaxifragaceaeType : Herbaceous PerennialHabit : Clump-formingSpread : 10-50 cmFlower colour : WhiteFlowering from : Mayto JulyFoliage : EvergreenFoliage colour : Siver-greenHardiness : H5
Hardy in most places throughout the UK even in severe winters -15° to -10°
Sunlight : Full Sun / Part ShadeMoisture : Moist but well-drainedSoil : NeutralSeason of interest : Spring - Summer - Autumn - Winter
Foliage is silver-green with dark green veins. Green flowers in tight spikes at the top of a stem that culminates clearly above the foliage.
Note : This seems to be a recent obtention, little information available on the internet.