Height: 20 cm

Foliage: evergreen

Flowers: purple, V-VI

Light: part shade, shade

Moisture: average water needs

Soil: average soil, fertile soil

Winter-hardiness zone: Z4 ?

Neighbouring plants: Astilbe, Carex, Dicentra, Festuca, Geranium, Heuchera, Hosta, Lamium, Pulmonaria, Rodgersia, Tricyrtis