Rhododendron viscosum

Rhododendron viscosum, the swamp azalea,^[2] clammy azalea or swamp honeysuckle,^[3] is a species of flowering plant in the heath family Ericaceae. This deciduous shrub, growing to 2.5 m (8.2 ft) tall and broad, is native to the eastern United States. It has rounded matt green leaves. In early summer it produces funnel-shaped white flowers flushed pink. The flowers have prominent stamens and are strongly fragrant.

Rhododendron viscosum
Conservation status
Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Ericales
Family:	Ericaceae
Genus:	Rhododendron
Species:	R. viscosum
Binomial name
Rhododendron viscosum (L.) Torr.
Synonyms
Azalea nitida Pursh Azalea oblongifolia Small Azalea viscosa L. Rhododendron oblongifolium (Small) Millais Rhododendron viscosum var. glaucum Torr. Rhododendron viscosum var. nitidum (Pursh) A. Gray Rhododendron viscosum f. rhodanthum Rehder

In cultivation in the UK, Rhododendron viscosum has gained the Royal Horticultural Society's Award of Garden Merit.^[3][4] It is hardy down to −20 °C (−4 °F) but like most rhododendron species requires a sheltered position in dappled shade with acid soil that has been enriched with leaf mold.

Fall foliage at the High Line, New York