The butterfly lays its eggs onto the Marsh Gentian (Gentiana pneumonanthe); in the region of the Alps they are sometimes also found on the related Willow Gentian (Gentiana asclepiadea).
Gentiana | Gentiana pneumonanthe | Gentiana parryi | Gentiana calycosa | Gentiana asclepiadea | Gentiana scabra | Gentiana cruciata | Gentiana alba |
Common Heather and Common Juniper are found in the dry areas, and the more marshy wetlands are home to Erica, Purple Moor Grass, Bog Myrtle and Marsh Gentian.