Zone: 5
Height: 30cm [12"]
Spread: 30cm [12"], gradually seeds a colony; may hybridize in colours
Bloom: Early spring (April-May); flower cluster atop erect stem - red or yellow (or orange) with yellow eye 
Foliage: Deciduous; bright limey green textured leaves
Light: Full sun, part shade
Water: Prefers moist with good drainage; tolerates drought and maritime conditions
Soil: Any
Garden Location: Rock garden, borders, forest garden