Combining different textures and leaf patterns creates interest without flower color. The combination of a large leaf Blue Hosta (Elegans)  with a variegated hosta (Francee) and Anemone canadensis (Canada Anemone) brightens up a dark corner. The lilac flowers of the hosta and the white flowers of the Anemone will add color in the spring and summer.

Different textures create interest in a dark corner.