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The Azalea Society of America designated Houston, Texas, an "azalea city". [citation needed] The River Oaks Garden Club has conducted the Houston Azalea Trail every spring since 1935. [citation needed] Valdosta, Georgia is called the Azalea City, as the plant grows in profusion there. The city hosts an annual Azalea Festival in March.
Most are in the United States, with one species found in Canada and one being found in Mexico. North American azaleas are commonly confused with azaleas of Asian origin, the evergreen azaleas. North American azaleas are deciduous and produce two types of buds. One is a larger and produces about 20 flowers while the other bud produces a leafy ...
Two subgenera are generally known to gardeners as "Azaleas", and include many fewer true species: Pentanthera, which comprises the deciduous azaleas, and Tsutsusi, which includes evergreen azaleas. [3] Modern cladistic analysis, based on nuclear genetics, proposes changes in the classification of species within subgenera.
Rhododendron occidentale, the western azalea [1] or California azalea, is one of two deciduous Rhododendron species native to western North America (the other is Rhododendron albiflorum). The western azalea is known to occur as far north as Lincoln and Douglas Counties in Oregon and as far south as the mountains of San Diego county.
Azaleas are acid-loving plants that grow best in soils with acidic soils with a pH of 4.5 to 5.5. A pH of 7.0 is neutral. Unfortunately, native soils in much of Greater Columbus tend to be more ...
Rhododendron austrinum is a species of flowering plant in the heath family known by the common names Florida flame azalea, honeysuckle azalea, southern yellow azalea, and orange azalea. It is native to the southern United States, where it can be found in Alabama, Florida, Georgia, and Mississippi. [1] It is also a common ornamental plant. [2]