Royal Fern

Osmunda regalis

Taxonomy

Division:
Pteridophyta | - Ferns
Family:
Osmundaceae
Genus:
Osmunda
Species:
Osmunda regalis

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
6-8 ft
Light Requirements:
Part Shade, Shade
Drought Tolerance:
High
Bloom Colors:
Not Applicable

Native Range

United States: Alabama, Arkansas, Connecticut, District of Columbia, Delaware, Florida, Georgia, Iowa, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, North Carolina, New Hampshire, New Jersey, New York, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Virginia, Vermont, Wisconsin, West Virginia, Canada: Manitoba, New Brunswick, Nova Scotia, Ontario, Prince Edward Island, Quebec

Keystone Species Ranking

Caterpillar Keystone:
★★★★☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)

Host Plant for Caterpillars

Olethreutes osmundana, osmunda borer moth (Papaipema speciosissima)

Soil Requirements

Soil Type:
rich, moisture-retentive, organic soil
pH:
4.5 - 6.5 (acidic to slightly acidic)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Prefers wetland areas like swamps and bogs

Germination Information

Pre-treatment: None required

Source: npn.rngr.net