A good middle/back of border hardy perennial, boasting aromatic foliage and flowering right through to autumn. Ideal for cutting, or why not try drying the foliage for potpourri. Beauty of Cobham - Gorgeous light purple-pink flowers. RHS Award of Garden Merit winner. Height 90-100cm (3'-3'4"); spread 40-50cm (16-20"). HP - Hardy perennial. Supplied in a 9cm pot.