Salvia nemorosa ‘Ostfriesland’
An erect, many branched perennial which has ovate to lance-shaped, notched, wrinkled, mid-green leaves on purple stems. From midsummer to early autumn violet flowers with pinkish-purple bracts are borne.
Grow in light, moderately fertile, humus-rich, moist but well-drained soil in full sun or light dappled shade. It will reach a height and spread of 45cm.