Osmunda regalis var. spectabilis (American royal fern)
General info: Osmunda regalis is a North American native fern that thrives in medium to wet soils in partial shade to full shade. This fern can tolerate full sun if the soil is consistently kept wet. The American royal fern typically grows in clumps about 2 to 3 feet tall. In the right conditions they can reach heights of 6 feet tall.
Landscape uses: Osmunda regalis is an excellent choice for the edges along streams, ponds, or water gardens. American royal fern could also be used along border of a shaded path or woodland garden.