Mountain holly

Prepared by Jennifer L. D’Appollonio, Assistant Scientist, University of Maine, Orono, ME 04469. Updated April 2019.

Scientific name: Ilex mucronata (L.) Powell, Savolainen & Andrews; old Nemopanthus mucronatus (L.) Loes.

Common name(s): mountain holly, catberry

Links: USDA PLANTS Profile, NPIN Profile, Go Botany

Images: (to see enlargements [PC]: click on image, then right click and choose “view image”)


– species is dioecious (flowers are male or female, on different plants)

– generally flowers late May to mid-June in ME

– considered an obligate wetland species, so individuals in wild blueberry are likely in wet areas


Heinrich, B. 1976. Flowering phenologies: Bog, woodland, and disturbed habitats. Ecology. 57(5):890-899.