Description Betonica officinalis ‘Hummelo’ A low, clump-forming, spreading, semi-evergreen perennial which has basal rosettes of ovate, glossy, dark green leaves. In summer erect stems bear dense spikes of tiny, two-lipped, lavender-pink flowers. Grow in full sun or partial shade in free-draining soil that is moderately fertile. It will reach a height and spread of 60cm.
