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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 ...
Rhododendron viscosum is also known as the swamp azalea, catch-fly azalea (due to sticky and glandular hairs), and clammy azalea. [1] Its large land area includes growth on the coastal area of Mississippi, and along the east coast from Florida to Maine. In addition to the coastal areas, the swamp azalea can be found inland in higher elevations.
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.
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 .
Dwarf azalea is a common name for several species of Rhododendron: Rhododendron atlanticum, native to the eastern United States; Rhododendron kiusianum, native to Japan;
Azalea leafy gall can be particularly destructive to azalea leaves during the early spring. Hand picking infected leaves is the recommended method of control. [4] They can also be subject to Phytophthora root rot in moist, hot conditions. [5] Azaleas share the economically important disease Phytophthora cinnamomi with more than 3000 other plants.
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.
Kalmia procumbens, commonly known as alpine azalea [1] or trailing azalea, [2] is a dwarf shrub of high mountain regions of the Northern Hemisphere that usually grows no more than 10 centimeters (4 in) tall. Originally named by Linnaeus as Azalea procumbens, it is also named after French botanist L.L.A. Loiseleur-Deslongchamps - Loiseleuria ...
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