| Scientific Name: |
Osmunda regalis |
| Common Name: |
Royal Fern |
| Duration of Life: |
Perennial |
| Plant Origin: |
Native |
| Soil Type prefered: |
Sand, Loam, Clay |
| Drought Tolerance: |
Low |
| Flower Conspicuous: |
No |
| Soil Fertility Requirement: |
High |
| Moisture Use: |
High |
| Shade Tolerance: |
Tolerant |
| Active Growth Period: |
Spring, Summer, Fall |
| Anaerobic Tolerance: |
Medium |
| Calcium Carbonate Tolerance: |
Low |
| Commercial Availability: |
Routinely Available |
| Cold Stratification Required: |
No |
| Fall Conspicuous: |
Yes |
| Frost Free Days, Minimum: |
110 |
| Foliage Color: |
Dark Green |
| Fruit/Seed Abundance: |
None |
| Fruit/Seed Conspicuous: |
No |
| Fruit/Seed Persistence: |
No |
| Fire Tolerance: |
Low |
| Foliage Texture: |
Fine |
| Growth Form: |
Rhizomatous |
| Growth Habit: |
Forb/herb |
| Growth Rate: |
Moderate |
| Height, Mature (feet): |
6 |
| Leaf Retention: |
No |
| Low Growing Grass: |
No |
| Life Span: |
Long |
| Max. Planting Density/Acre: |
1700 |
| Min. Planting Density/Acre: |
700 |
| pH (Maximum): |
6 |
| pH (Minimum): |
4 |
| Precipitation (Minimum): |
32 |
| Resprout Ability: |
No |
| Root Depth, Min. (inches): |
16 |
| Salt Tolerance: |
None |
| Shape and Orientation: |
Semi-Erect |
| Small Grain: |
No |
| Seed per Pound: |
0 |
| Seed Spread Rate: |
None |
| Temperature, Minimum (F): |
-38 |
| Toxicity: |
None |
| Vegetative Spread Rate: |
Rapid |
| Propagation: |
Container, Cuttings, Seed, Sprigs |
| Palpable: (eatable) |
Human (Yes) |
| Category: |
Fern |
| Division: |
Pteridophyta |
| Class: |
Filicopsida |
| Order: |
Polypodiales |
| Family: |
Osmundaceae |
| Genus: |
Osmunda |
