Osmundastrum cinnamomeum

cinnamon fern


Synonyms:  Osmunda cinnamomea


FNPS provides this link to assist users in finding sources for native plants. In doing so, FNPS is not attesting to the accuracy of any information on the FANN webite. Some members of FANN may provide services that do not further the FNPS mission, and this link should not be considered to be an endorsement of any specific nursery, services that it provides that do not support the FNPS mission, or the quality of its products or services.


Use this link to get more info about this plant from the USF Institute for Systematic Botany

Plant Specifics

Form: fern
Life Span: long-lived perennial
Size: Height: 3-4 ft    Width: as broad as tall
Fruit Color: fruit color      orange
Phenology: deciduous,evergreen
Noted for: Showy fruits, interesting foliage


Recommended Uses: Useful as a specimen in moist areas. Its urn shape and orange spore producing fertile leaves make this fern attractive as an individual specimen in areas that have adequate moisture. Large size and grace are its principal appeal. Evergreen in south-central FL. Deciduous in north FL.
Considerations: Needs periodic removal of old (dead) fronds.
Availability: Quality nurseries, Native nurseries, Specialty providers
Light: light requirement   light requirement  
Moisture Tolerance:
Salt Tolerance: Not salt tolerant
Soil or other substrate: Sand, loam, organic material (muck)
Soil pH Range: acidic


Native Habitats: This species typically grows on seepage edges of swamps and in the upper reaches of baygalls (bay swamps). It is not found in long-term standing water though it grows well on rotten logs and hummocks in swamps. It is an indicator of seepage conditions.

Distribution and Planting Zones

Natural Range in Florida

USDA Zones:

USDA zones are based on minimum winter temperatures

Suitable to grow in:

Other Comments:

Called cinnamon fern because of the color of its fertile fronds. In Florida it sends up its fertile fronds in the spring and fall; farther north in its large range, the fertile fronds only emerge in the spring.