Royal FernOsmunda regalis
Royal fern is a unique perennial fern 3' or more tall. Foliage is reddish at first, but becomes green over time. Royal fern is a beautiful specimen plant for landscape designs and rainwater gardens. It is also a good groundcover plant for buffers to wetlands, especially pools, swamps, and thickets. Slow rate of spread.
USDA symbol: OSRE
General Information
| Plant Type | Fern |
|---|---|
| Height | 3 to 4 feet |
| Light Exposure | Part Sun, Shade |
| Soil Moisture | Medium |
| Bloom Color | Green |

Tolerances
| Flooding / Inundation Tolerance | Moderate |
|---|---|
| General Resilience | 5 |
| Salt Tolerance | Low |
Pollinator Value: Low
| Bloom Months | May to October |
|---|
Project Planning
| Project Type | Rain Garden, Sandy or Engineered Soils |
|---|---|
| Coefficient of Conservatism | 8 |
| Herbivore Sensitivity | Low |
| Lifespan | Perennial |
| Rate of Spread | Slow |
| Soil Stabilization | Shallow |
| Vegetative Reproduction | Clonal |
Range
| County | Aitkin, Anoka, Carlton, Chisago, Cook, Crow Wing, Goodhue, Hennepin, Isanti, Itasca, Kanabec, Koochiching, Lake, Mille Lacs, Morrison, Pine, Ramsey, Sherburne, St. Louis, Stearns, Todd, Washington |
|---|---|
| Ecoregion | Driftless Area, North Central Hardwood Forests, Northern Lakes and Forests, Northern Minnesota Wetlands, Western Cornbelt Plains |
| Approximate Eco Province | Eastern Broadleaf Forest, Laurentian Mixed Forest, Prairie Parkland |