Azalea
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 Rhododendron 'Hinodegiri'
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see text Source: The Rhododendron page, and some research. |
Azaleas are flowering shrubs making up part of the genus Rhododendron. Originally azaleas were classed as a different genus of plant, but now they are recognized as two of the eight sub-genera of rhododendrons - subgenus Pentanthera (deciduous), and subgenus Titsushi (evergreen).
Differences
One of the major differences between azaleas and the rest of the rhododendron family is their size. Another is their flower growth. Rhododendrons grow their flowers in stripes, while most azaleas have terminal blooms (one flower per flower stem). However, they have so many stems that during the flowering season they are a solid mass of color. Azaleas are recognized by these flowers blooming all at once, in a showy display for a month or two in spring. The exception to this rule is a small group of azaleas which grow their flowers in tight terminal clusters.
The Satsuki azalea group, derived from Rhododendron indicum and related species, are very popular.
A traditional alcoholic beverage made from azalea blossoms, called dugyeonju (두견주, literally "azalea wine"), is produced in Korea [8].
Cultivation
Plant enthusiasts have created azaleas for hundreds of years. This human genetic modification has produced over 10,000 different cultivars which are propagated by cuttings. Azalea seeds can also be collected and germinated.
Azaleas grow best in well-drained soil or in plant pots in a cool, shady position. Fertilizer is optional, although some species do need regular pruning.
Several commercial nurseries in Semmes, Alabama, a suburb of Mobile, are major national suppliers of azaleas in the U.S.
Azalea Festivals
Many cities in the United States have festivals in the spring celebrating the blooms of the azalea, including Wilmington, North Carolina[1], Norfolk, Virginia[2], Valdosta, Georgia[3] Palatka, Florida[4] Pickens, South Carolina[5] Muskogee, Oklahoma[6] South Gate, California[7] and Mobile, Alabama.
Japan
Motoyama, Kochi also has a flower festival in which the blooming of Tsutsushi is celebrated.
See also
List of azalea diseases
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