Description
Small, upright, bushy deciduous perennial (H 50-60 cm, W 40-50 cm). Stems 4-sided (quadrangular) in cross-section,softly hairy, highly branched. Leaves elongate ovate (6-9 cm), rough, grey-green to dark green. Flowers in large, upright spikes, two-lipped (1-1,3 cm), light violet-blue to light blue. Flowering period: June-August, freely flowering. Attracts butterflies and bees. Easily withstands heat and occasional drought.