Caltha palustris

Description: A plant from the same family as Buttercups, which produces loose clumps of large kidney-shaped leaves.

Other Common Names: Kingcup, Cow Lily.
Planting Zone: 1/2
Origin: Native to many parts in the Northern Hemisphere.
Months Available to Buy: March - May.
Height: 25cm.
Spread: 45cm.
Flowers: Large Buttercup-like flowers. March - July