Retail nursery specialising in Perennials and Alpines all grown peat-free.
Broad spreading plant easily clothing a low wall, rock edge or raised bed. The foliage is aromatic and has been used medicinally.
Award of Garden Merit from The RHS
Purple flowers up to 10cm (4in) from July to October and growing 60cm (24in) wide. Prefers well drained, gritty soil in full sun.