Photo by Melody

PlantFiles: Swamp Azalea, Swamp Honeysuckle, Clammy Azalea
Rhododendron viscosum

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Family: Ericaceae (er-ek-AY-see-ee) (Info)
Genus: Rhododendron (roh-do-DEN-dron) (Info)
Species: viscosum (vis-KOH-sum) (Info)

Synonym:Azalea serrulata
Synonym:Azalea viscosa
Synonym:Rhododendron coryi
Synonym:Rhododendron serrulatum
Synonym:Rhododendron viscosum var. glaucum

» View all varieties of Azaleas and Rhododendrons

5 vendors have this plant for sale.

7 members have or want this plant for trade.

Category:
Shrubs

Height:
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)

Spacing:
4-6 ft. (1.2-1.8 m)

Hardiness:
USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:
Light Shade

Danger:
Parts of plant are poisonous if ingested

Bloom Color:
Pink
Bright Yellow
White/Near White

Bloom Time:
Late Winter/Early Spring
Mid Spring
Late Spring/Early Summer

Foliage:
Deciduous

Other details:
Flowers are fragrant
Requires consistently moist soil; do not let dry out between waterings

Patent Information:
Non-patented

Seed Collecting:
Unknown - Tell us

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There are a total of 8 photos.
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Profile:

2 positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive SoooSirius On Jan 13, 2014, SoooSirius from Municipality of Murrysville, PA wrote:

Very fragrant, and yes, the stems and buds are sticky. (viscosum)

Neutral Cordeledawg On Apr 12, 2008, Cordeledawg from Cordele, GA (Zone 8a) wrote:

I recently purchased R. viscosum 'Summer Eyelet' which blooms later than most native azaleas, June/July. I'm trying to decide where to plant this one. It needs to stay moist.

Positive struckcheon On Jun 11, 2006, struckcheon from Closter, NJ wrote:

Got some this year. Flowers are a beautiful white, very nice form, and they are indeed fragrant. Good for a partially shaded, moist location.

Regional...

This plant has been said to grow in the following regions:

Cordele, Georgia
Marietta, Georgia
Coushatta, Louisiana
Pasadena, Maryland
Granville, Massachusetts
Mashpee, Massachusetts
Closter, New Jersey
Murrysville, Pennsylvania
Pottstown, Pennsylvania
West Chester, Pennsylvania
Conway, South Carolina



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