Prepared by Jennifer L. D’Appollonio, Assistant Scientist, University of Maine, Orono, ME 04469. Updated February 2018.
Scientific name: Rhododendron canadense (L.) Torr.
Common name(s): rhodora, Canada rosebay
Images: (to see enlargements [PC]: click on image, then right click and choose “view image”)
– flowers before and/or with leafout
– generally flowers late May-early June in ME
Hansen, R.W., S.B. Hansen and E.A. Osgood. 1991. Reproductive phenologies of selected flowering plants in eastern Maine forests. ME Agric. Exp. Station Tech. Bull. 143. 17 pp.
Heinrich, B. 1976. Flowering phenologies: Bog, woodland, and disturbed habitats. Ecology. 57(5):890-899.