photo of Osmunda regalis

Osmunda regalis

Royal Fern

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Royal Fern is a clumping deciduous fern. Its broad, green fronds turn yellow in fall. Fertile brown clusters atop the fronds hold the spores. ...

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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