Rhododendron viscosum
Swamp Azalea
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Swamp Azalea (Rhododendron viscosum) - Description
This is a deciduous Azalea that is covered in white blooms for a summer display. Does great with its roots in overly wet soil, as it's native habitat is in the edges of swamp land and wetlands. Has a very pleasant clove-like fragrance that accompanies the bloom and can saturate the air of your garden. And just when autumn arrives and you think the show is over, it's foliage transforms into a fire red, before dropping it's leaves for the season.
Swamp Azalea (Rhododendron viscosum) - Blooming
Blooms in early Spring. There are many varieties of Rhododendrons and Azaleas that come in many different colors and styles.
Swamp Azalea (Rhododendron viscosum) - Growth
Rhododendrons do best with filtered sunlight. Generally, these plants will need more protection from the sun as the climate gets sunnier and hotter. They do best in cooler, temperate climates that have sufficient rainfall.
Swamp Azalea (Rhododendron viscosum) - Planting
Sow seeds in soil that is acidic as soon as the seeds are ripe or in early spring. Maintain the temperature between 55 and 65°F (18°C). It should be noted that Rhododendrons readily hybridize and seeds collected from your garden may produce offspring that do not closely resemble the parents.
Swamp Azalea (Rhododendron viscosum) - Pest
Prone to whitefly, lace bugs, scale, caterpillars and aphids. Susceptible to powdery mildew, leafy gall and root rot.
Swamp Azalea (Rhododendron viscosum) - Interesting facts
The name Rhododendron literally translates to "rose tree". The species R. catawbiense is found throughout the Appalachian Mountains. Not only is it the state flower of West Virginia, it is also on the state flag.
Swamp Azalea (Rhododendron viscosum) - Soil and irrigation
Need fast-draining soils that are rich and acidic. Does best if the soil also retains sufficient quantities of water (amend soil with organic matter to do so). These plants need more air in the root zone than most plants do. Plants that are yellowing and that have leaves that are dropping are most likely sitting in water and the roots are drowning.
