This grower is fairly sure of this plant identification.
Green hellebore, Hellebore
Helleborus viridis (Green hellebore). The noticeable features of this plant is that the flowers are green and the leaves are large and hand-shaped. This plant is often found in the wild in Northern Europe.
Most deciduous species retain their old leaves over winter. These should be cut off in early spring as flower buds develop.
Italics = data drawn from parent genus or speciesView Full Plant Finder Record