Rhododendron viscosum

swamp azalea


wildlife plant  


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

Plant Specifics

Form: shrub
Life Span: long-lived perennial
Size: Height: 5-15 ft    Width: to 12 ft
Flower Color: flower color   flower color      white,pink
Phenology: deciduous
Noted for: Showy flowers, aroma, fragrance


Recommended Uses: Specimen plant for moist shady areas.
Propagation: Root cuttings, layering, seed.
Availability: Native nurseries, Seed
Light: light requirement  
Moisture Tolerance:
Salt Tolerance: Not salt tolerant
Soil or other substrate: Sand, organic material (muck)
Soil pH Range: Acidic


wildlife plant  
Attracts pollinators including hummingbirds.
Native Habitats: Moist-wet sites. Seep swamps, pineland-wetland ecotones, edges of bay swamps, moist woods.

Distribution and Planting Zones

Natural Range in Florida

USDA Zones:

USDA zones are based on minimum winter temperatures

Suitable to grow in:


Poisonous if eaten.

Other Comments:

The most aromatic of the azaleas. That last of the azaleas to bloom--in Florida May to June. Flowers are sticky--hence the name R. viscosum.