Flowers pale amethyst (H1) shading to pink (H8) at the base, VIII–IX, in long spikes; dark green foliage, tipped magenta in autumn; vigorous, upright; height 46–60cm; spread 75–100cm. A sport on ‘Robert Chapman‘, found by Lindsay Campbell (Argyll, Scotland) and named after Gloucester Boy, his pet rat which had just died. Registered 12 November 1998: L. Campbell, Merle, Kilmore, by Oban, Argyll, PA34 4XX, Scotland.