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Plant Details

Rhododendron viscosum

Swamp Azalea, Clammy Azalea

Scientific Name:

Rhododendron viscosum

Common Name:

Swamp Azalea, Clammy Azalea

Plant Family

Ericaceae (Heath Family)

Native/Alien:

NC Native

Type:

Shrub

Bloom Color(s):

white

Size in Feet:

3-8

Light:

part sun

Soil Moisture:

mesic(*)

Bloom Time:

late May-June

Bloom Area:

Coast, Piedmont, Mountains

Habitat Description:

Var. serrulatum: Bogs, pocosins, wet pine savannas. Rare in NC Piedmont, common in Coastal Plain.
Var. viscosum: Moist streambanks, shrub balds, and other moist habitats. Common in NC Mountains and Piedmont, uncommon in Coastal Plain. Flowers later than var. serrulatum.

State Rank:

No NC Rank Listed (*)

Global Rank:

No Global Rank listed (*)

State Status:

No NC Status Listed (*)

Federal Status:

No U.S. Status Listed (*)

Notes:

Members of the genus Rhododendron support the specialized bee, Andrena cornelli.
2 varieties of Rhododendron viscosum in NC [see Habitat Description].

Swamp Azalea

Found in bogs, pocosins, wet savannas, stream sides and other moist habitats, Swamp Azalea will also do well in gardens with some shade and average moisture. It blooms late for an azalea, after its leaves are out.

image

Paynter, Wilmington

Flowers

Scent is spicy and sweet. The common name, Clammy Azalea, comes from the stickiness of the flowers.

image

Links:

USDA PLANTS Database Record


Bird-Friendly Native Plants



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