Retail nursery specialising in Perennials and Alpines all grown peat-free.
Introduced from the R.H.S. Rosemoor Garden in Devon. A compact form of G. magnificum, it does not flop and is longer flowering than the type.
Dark blue-purple flowers up to 50cm (20in) from June to August and growing 60cm (24in) wide. Happy in most garden soils in sun or light shade.