Giant leather fern
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Acrostichum danaeifolium
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Pteridaceae
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Landscape Uses:
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A large specimen or accent fern useful in wet areas nearly throughout South Florida. It is especiall useful along the edges of freshwater or brackish ponds and marshes. |
Ecological Restoration Notes: |
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Nearly ubiquitous in wetlands throughout South Florida and can become dominant in certain situations. |
Availability: |
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Commonly available at native plant nurseries in central and South Florida. Rarely grown by native plant nurseries in northeast Florida. |
Description: |
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Large shrub-like herbaceous fern with ascending or arching fronds. Fronds to about 10 feet long or more. |
Height: |
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Typically 6-12 feet in height. As broad as tall or broader, but often growing in large masses. |
Growth Rate: |
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Moderate. |
Range: |
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Monroe County Keys north to St. Johns and Dixie counties; West Indies, Mexico, Central America and South America. |
Habitats: |
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A wide variety of freshwater or brackish wetlands from marshes to swamps. |
Soils: |
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Wet to moist, poorly-drained to inundated organic freshwater or brackish soils. |
Nutritional Requirements: |
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High; requires rich organic soils for optimal growth. |
Salt Water Tolerance: |
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Moderate; tolerates brackish water or occasional inundation by salt water. |
Salt Wind Tolerance: |
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Moderate; grows near salt water, but is protected from direct salt spray by other vegetation. |
Drought Tolerance: |
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Low; requires moist to wet soils and is intolerant of long periods of drought. |
Light Requirements: |
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Light shade to full sun. |
Flower Color: |
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N/A. |
Flower Characteristics: |
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There are no flowers; the plants reproduce by spores. |
Flowering Season: |
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All year. |
Fruit: |
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Inconspicuous spores. |
Wildlife and Ecology: |
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Horticultural Notes: |
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Can be grown from spores. Small plants can be transplanted. |
Comments: |
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This is the more common of our two native species of Acrostichum. It can be distinguished from A. aurem by its longer fronds and more crowded pinnae (leaflets). |
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