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Watering once a week is usually sufficient but use a rain gauge as your guide because autumn rainfall may be all the plants need. After the first couple of frosts but before the ground is frozen ...
Dwarf azalea is a common name for several species of Rhododendron: Rhododendron atlanticum , native to the eastern United States Rhododendron kiusianum , native to Japan
Plant enthusiasts have selectively bred azaleas for hundreds of years. This human selection has produced thousands of different cultivars which are propagated by cuttings. [2] Azalea seeds can also be collected and germinated. Azaleas are generally slow-growing and do best in well-drained acidic soil (4.5–6.0 pH). [3] Fertilizer needs are low.
Rhododendron atlanticum is a compact, loosely branched, deciduous shrub that typically grows to be two to three feet tall at maturity but can grow up to six feet, and is two to three feet wide. [3] It is a deciduous shrub 50–150 cm (20–59 in) tall, forming a thick understory in forests, spreading by underground stolons .
Azaleas are shallow-rooted plants so two to three inches of an organic mulch will help protect roots from winter damage. Mulch will also help to conserve soil moisture during periods of dry weather.
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 ...
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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.
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