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Rhododendron viscosum /Swamp Azalea

Rhododendron viscosum  / Rhododendron viscosum
White flowers with a sticky substance on base of tubular flowers
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White flowers with a sticky substance on base of tubular flowers

Large mature plants growing in shade along a stream at the Gloster Arboretum, Gloster, MS

Excellent deciduous azalea for naturalistic sites

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Scientific Name: Rhododendron viscosum
Common Name: Swamp Azalea
Plant Type: Deciduous
Leaf Type: Broadleaf
Hardiness Zone: 7, 8, 9, 10 Determine Your Zone
Height: 5-8 feet
Spread: 5 - 10 feet
Bloom time: Spring
Flower color: White
Light Exposure: Part Sun, Filtered Shade, Shade, Morning sun
Drainage: Well drained
Rate of Growth: Moderate
Water Requirement: Medium
Maintenance Level: Low
Susceptible to insects
and diseases:
Landscape Categories: Azaleas and Rhododendrons
Comments: White funnel-shaped flowers that have a sticky substance on the tubes appear in late spring through summer after the foliage has emerged. Old specimen plants can grow to be small tree sizes and are normally multi-trunked in their native habitats. Sometimes plants spread by stolons (underground stems).