Osmunda regalis var. spectabilis

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Royal Fern


Plant Specifics

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


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
 (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


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