White flowers, with lilac (H4) tint, VIII–IX; feathery, pale lime-green foliage; height 26–30cm; spread 31–45cm.
Wild-collected; found in the Aberfoyle Hills, Perthshire, Scotland, in 1967; introduced by D. Hutton (Aberfoyle, near Callander, Perthshire, Scotland) about 1974.
Named after a blend of whisky.