Osmunda regalis var. spectabilis
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Royal Fern
Osmundaceae
Plant Specifics
| Form: | Fern | |
| Size: | 3-4 ft tall by to 3 ft wide. Does not spread vegetatively. | |
| Life Span: | Long-lived perennial | |
| Flower Color: | NA | |
| Fruit Color: | Orange | |
| Phenology: | Winter dormant. | |
| Noted for: | Interesting foliage |
Landscaping
| Recommended Uses: | Lacy specimen plant in wet settings. Useful in fern gardens or beside a shady water feature. Useful around drainage ponds. | ||||||||||||||||||||||||||||||||||||||||||
| Considerations: | Needs periodic removal of old fronds. | ||||||||||||||||||||||||||||||||||||||||||
| Propagation: | Spreads rarely from spores (Osorio 2001). Does not spread vegetatively. | ||||||||||||||||||||||||||||||||||||||||||
| Availability: | Native nurseries, Specialty providers | ||||||||||||||||||||||||||||||||||||||||||
| Light: | Part Shade, Shade | ||||||||||||||||||||||||||||||||||||||||||
| Moisture Tolerance: |
always floodedextremely dry |
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| (Stays Wet ----- to ----- Somewhat moist, no flooding) | |||||||||||||||||||||||||||||||||||||||||||
| Moisture Tolerance: | Stays Wet ----- to ----- Somewhat moist, no flooding | ||||||||||||||||||||||||||||||||||||||||||
| Salt Water Flooding Tolerance: | Not salt tolerant of inundation by salty or brackish water. | ||||||||||||||||||||||||||||||||||||||||||
| Salt Spray/ Salty Soil Tolerance: | Low/no tolerance of salty wind or direct salt spray | ||||||||||||||||||||||||||||||||||||||||||
| Soil or other substrate: | Loam, Organic material (muck), Sand | ||||||||||||||||||||||||||||||||||||||||||
| Soil pH: | Acidic | ||||||||||||||||||||||||||||||||||||||||||
Ecology
| Wildlife: |
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| Insects: | ||
| Native Habitats: | Dome swamp, cutthroat seep. Wet woods, usually with acid soil. Shallow swamps, bogs, shallow ponds, stream banks, hydric seep slopes. |
Distribution and Planting Zones
Natural Range in Florida
USDA Zones
Suitable to grow in:
10A 10B 8A 8B 9A 9B
USDA zones are based on minimum winter temperatures