White flowers, VII–X, sparse; mid-green foliage; broad spreading habit; height 10–15cm; spread 31–45cm.
A sport from ‘Lawsoniana‘ found by Dr Ronald Gray (Hindhead, Surrey) in 1964; introduced by Maxwell & Beale (Broadstone, Dorset) in 1966.
Named after the finder, Dr Ronald Gray, a general practitioner and Vice-president of The Heather Society, who died on 22 March 1966 (Yearbook of The Heather Society 1966: 2-3).