Rhododendron atlanticum
Azalea
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Azalea (Rhododendron atlanticum) - Description
This east coast native (found from Delaware to South Carolina) was first enjoyed in England when it was brought back in 1743 by John Clayton. In its native-like environment of sandy coastal soils, watch for R. atlanticum to spread vigorously by underground stems. Although low to the ground height-wise, one plant has been known to spread to over an acre in size! Great for landscaping as well. Just make sure to plant in heavier soils to prevent the underground spread of the roots and subterranean branches.
Azalea (Rhododendron atlanticum) - Blooming
Blooms in early Spring. There are many varieties of Rhododendrons and Azaleas that come in many different colors and styles.
Azalea (Rhododendron atlanticum) - 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.
Azalea (Rhododendron atlanticum) - 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.
Azalea (Rhododendron atlanticum) - Pest
Prone to whitefly, lace bugs, scale, caterpillars and aphids. Susceptible to powdery mildew, leafy gall and root rot.
Azalea (Rhododendron atlanticum) - 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.
Azalea (Rhododendron atlanticum) - 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.
