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The flowers have white tubes. This azalea is sometimes also called the smooth azalea for its new leaf growth has no hair, making it smooth to the touch. The leaves range from a blue-green, dark green, or a medium green, and the underside is a light white color. The leaves are usually glossy. Its seeds are granular. Plants blooms from May to ...
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.
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 .
Azaleas put on quite a show in the spring if they have been protected well during winter. Learn how to protect azaleas in every hardiness zone in winter.
western azalea; Pacific azalea Ericaceae (heath family) Rhododendron periclymenoides: pinxterbloom azalea Ericaceae (heath family) Rhododendron ponticum: Pontic rhododendron Ericaceae (heath family) Vaccinium: blueberries, cranberries, and sparkleberries; Vaccinium arboreum: sparkleberry; farkleberry Ericaceae (heath family) Vaccinium corymbosum
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.