Description
Medium-sized, upright, deciduous perennial (H 80-120 cm, W 30-40 cm). Leaves palmately compound, smooth, slightly glossy, dark green. Flowers in large upright inflorescence, two-lipped (2 cm), dark blue to dark violet-blue. Flowering period: September-October. Attracts butterflies and bees. Requires fertile, humus-rich, always moderately moist soils.