Search results
Results from the WOW.Com Content Network
Rhododendron atlanticum. Rhododendron atlanticum, the dwarf azalea, grows on the coastal plain from Georgia to Delaware. It can be found up to 200 miles away from the coast, if the region is sandy, swampy, or dry. These plants can spread by rhizomes if the soil is loose. The flowers can be white or a light pink color, and are fragrant.
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.
Tsutsusi comes from the Japanese word for Azalea, Tsutsuji ( つつじ or ツツジ). When Don (1834) described the subdivisions of Rhododendron he named one of his eight sections, Tsutsutsi (sic), which he explained was the Chinese name of the first species described (R. indicum, originally Azalea indica L.). [8]
Rhododendron arborescens, also known as smooth azalea [1] or sweet azalea, is a species of flowering plant in the family Ericaceae, native to the eastern seaboard of the United States. It grows to a height of 2.4–3 metres (8–10 ft). Generally blooming in late spring and early summer, the flowers range in color from white to pink with red ...
Rhododendron obtusum (Lindl.) Planch. Planch. Rhododendron indicum is an azalea Rhododendron species native to Japan (S & W Honshu , Shikoku , Kyushu , Yakushima ).
Satsuki azalea bonsai, 3.5" tall. Satsuki azalea is a cultivar group of the genus Rhododendron, a type of azalea extensively cultivated and hybridized by the Japanese. It is native to the mountains of Japan. Satsuki azaleas have a diverse range of flower forms and color patterns with multiple patterns often appearing on a single plant.
Caloptilia azaleella deposits its eggs on azalea (Rhododendron spp) plants, under leaves near the midrib. These are the only hosts so far recorded. [2] The larva initially forms a mine and later rolls the leaf downwards from the tip, forming a cone. [6]
Ovulinia petal blight is commonly referred to as Ovulinia flower blight, Azalea flower blight, and Azalea flower spot. [1] First reported in the 1930s on the Belgian-Indica hybrids, petal blight can attack most azaleas under favorable weather conditions. Infected flowers first exhibit small spots, about 1 mm in diameter, which appear water ...