
Osmunda regalis
Royal Fern
Royal Fern is a clumping deciduous fern. Its broad, green fronds turn yellow in fall. Fertile brown clusters atop the fronds hold the spores. ...
Description:
Royal Fern is a clumping deciduous fern. Its broad, green fronds turn yellow in fall. Fertile brown clusters atop the fronds hold the spores. Royal Fern is an important host plant for moth larvae (caterpillars), including Osmunda Borer Moth (Papaipema speciosissima). Plant it along a water’s edge or in your shade garden, woodland garden, rain garden, and moist, shady areas of your yard.
Plant Details:
Plant Type: Fern
New Jersey Native: Yes
Deer Resistance: High
Salt Tolerance: Low to None
Hardiness Zone: 6a, 6b, 7a, 7b
Physiographic Region: All Regions in NJ
Grows in Special Ecoregions: Barrier Island/Coastal, Pinelands
Soil Characteristics
Soil Type: Loam, Organic, Sandy, Clay
Soil Moisture: Moist, Wet
Soil pH: Acidic, Slightly Acidic
Light Needs of Plant
Optimal Light: Partial Shade
Light Range: Partial Shade, Shade
Water Needs of Plant
Soil Moisture: Moist, Wet
Drought Tolerance: Low
Size and Growth Rate
Height: 3 - 5 ft
Spread: 2 - 3 ft
Growth Rate: Medium