Named after the senior head gardener at theGraywoodHillGardeninEngland. Sepals starting out cream the turning pale pinky-lilac fading to white at the centre.
Gardens found in 28 pre 2000 surveys DA LHS WAK WIN EBGKEWABJ TR MS
Gardens found in the 10 surveyed in 2010: DA LHS ESV KAL AW
UK Plant Finder 2012 = 2 nurseries