P.muticum has the great bonus of pearly white, almost Euphorbia-like bracts around the flower heads which gives the whole plant a pale ghostly effect, especially if grown in moist semi shaded conditions.
P.muticum is said to run vigorously but I have not found them invasive. Very adaptable and hardy but seem best in moist fertile soils in semi shade.
sold out - more later in the summer
Upright plants with narrow peppermint scented foliage and pale flowers. Adaptable, pretty and not at all invasive.
2L pots - £5