Caltha palustris, a lush growing plant with a wide distribution covering the temperate northern hemisphere. It has the most unfortunate common name; “May blob”, referring to the golden yellow buttercup like flowers that appear through the month.
Enjoying a wet boggy soil, or seen on the margins of ponds and watercourses. The habitats are disappearing with a changing climate and current agricultural practices.
Grown in optimum conditions with semi shade overhead the rounded leaves are glossy and the fast growing green stem will huddle to the ground rooting in at every opportunity.