Height: 50/30 cm

Foliage: dark green with deep purple edges

Flowers: violet-blue, VI-VII

Light: full sun, part shade, shade

Moisture: average water needs

Soil: average soil, fertile soil

Winter-hardiness zone: Z4 ?

Neighbouring plants: Calamagrostis, Campanula, Chrysanthemum, Echinacea, Helenium, Kalimeris, Molinia, Monarda, Nepeta, Phlox, Sanguisorba, Veronicastrum