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Swamp azalea
Rhododendron viscosum
Ericaceae
 

Copyright by: Shirley Denton

General Landscape Uses: Specimen plant or shrub beds.

Availability: Commonly available at native plant nurseries in central Florida.

Description: Shrub 4-16 feet tall with showy, fragrant white flowers.

Dimensions: Typically 4-16 feet in height. Often broader than tall.

Range: Eastern and southern United States south to Manatee, De Soto, Highlands, and Osceola counties.

Plant Map Map of select IRC data from peninsular Florida.

 Map of suggested ZIP codes from South Florida north to southern Brevard, Osceola, Polk, and Pasco counties.

Habitats: Wet flatwoods and swamps.

Soils: Moist to wet, moderately well-drained to poorly drained organic soils with acid pH.

Nutritional Requirements: High; requires rich organic soils for optimal growth.

Salt Water Tolerance: Low; does not tolerate flooding by salt or brackish water.

Salt Wind Tolerance: Low; salt wind may burn the leaves.

Drought Tolerance: Low; requires moist to wet soils and is intolerant of long periods of drought.

Light Requirements: Full sun to light shade. Avoid afternoon sun.

Flower Color: White.

Flower Characteristics: Showy.

Flowering Season: Late summer.

Fruit: Capsule.

Wildlife and Ecology: Attracts pollinators.

References: Mellichamp (2014), Wunderlin and Hansen 2011

Comments: We have been adding data for this species for central and northern Florida and welcome any feedback or review. If you would like to contribute information or images, please contact George Gann via the IRC staff page. See also the Florida Wildflower Foundation's Flower Friday page.


Copyright by: Shirley Denton

Copyright by: Shirley Denton

Copyright by: Lilly Anderson-Messec via her Instagram account @lilliumbyrd.

Copyright by: Lilly Anderson-Messec via her Instagram account @lilliumbyrd.


Other data on Rhododendron viscosum available from:



 
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