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No plant rivals the azalea in Southern popularity, and no plant is more misused and abused. Here are a few tips to get the best performance from these spring delights. 10 Tips For Happy, Healthy ...
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 ...
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 shoot. [1] The flower color, fragrance, and number of stamens vary among species.
Azalea (state wildflower) Rhododendron: 1979 [15] Guam: Bougainvillea spectabilis: Bougainvillea spectabilis: 1968 [4] Hawaii: Hawaiian hibiscus (maʻo hau hele) Hibiscus brackenridgei: 1988 [16] [17] Idaho: Syringa, mock orange: Philadelphus lewisii: 1931 [18] Illinois: Violet (state flower) Viola: 1907 [19] Milkweed (state wildflower ...
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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.
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Rhododendron calendulaceum, the flame azalea, [3] is a species of Rhododendron. It is a deciduous shrub that grows up to 120–450 cm tall. This species of Rhododendron is native to the Appalachian Mountains in the eastern United States , ranging from southern Pennsylvania and Ohio to northern Georgia .