(Oldham's Azalea, Taiwan Azalea)
Fuzzy yellowish green leaves cloak this broadleaf evergreen shrub year round, a pleasant companion to the rosy rust-colored flowers that most heavily appear in autumn. Native to the mountain thickets of Taiwan, this species gave rise to seedlings that became the Encore Series of reblooming, autumnal azaleas.
Grow the Taiwan azalea in partial shade and a moist, acidic soil that has lots of incorporated organic matter. It may be used as an accent shrub in a mixed border or woodland garden, or...
(Pontic Rhododendron )
An impressive broadleaf evergreen with pinkish violet flowers in late spring, Pontic rhododendron is adaptable and vigorous. Native primarily to the Pontic Mountains of northern Turkey, it is also known in Georgia, Armenia, Lebanon, and the southernmost Iberian Peninsula.
Forming a handsome rounded, tall shrub, it suckers from its roots, naturalizing quickly, creating thickets and is invasive in mild, moist climates, such as that of the southern British Isles.
The deep green leaves are elongated...
(Pretty Azalea, Pretty Rhododendron, Purple Azalea)
What better word than simple pretty to describe the springtime's fuchsia flowers on the pretty rhododendron? Not known to exist in the wild, often this species is listed as native to China although a man-made hybrid of Rhododendron indicum and Rhododendron ledifolium. New leaves emerge in spring to make a dense mass of kelly green. Then fuchsia or violet-rose flowers with red flecks appear in mid- to late spring. Each truss has one to five flowers that are broadly opening funnels....
Highly variable in mature height and habit, you can't deny the beauty of the dark glossy foliage and cheerful pink blossoms in mid-spring. Native to the high elevations of Yunnan, Sichuan and Guizhou Provinces in southcentral China, Rhododendron racemosum grows in sunny clearings in woodlands and rocky glades.
Elliptical leaves are glossy dark green above but have scaly, grayish undersides. The flower buds swell in spring, becoming deep rose before opening to five-lobed lighter pink...
(Blunt-leaved Rhododendron, Vireya Rhododendron)
Vibrant orange-red tubular flowers that look like narrow bells make this vireya-type tropical rhododendron charming. Native to the high mountains of Ceylon and Indonesia in southern Asia, Rhododendron retusum relishes the freely draining, acidic soils in the shade of the frost-free upland rainforests. It has grayish bark with youngest scaly twigs a contrasting rust to cinnamon color. The leaves are emerald to dark green and tongue-shaped, with a rounded tip with shallow notch. The flowers...
James H. Schutte
(Evergreen Azalea, Formosa Azalea)
Indian azalea is a medium-sized, dense, spreading, tender evergreen or semi-evergreen shrub native to China and Taiwan. In spring it bears clusters of large, red, funnel-shaped flowers with deep red spots.
Like other azaleas it grows best in filtered shade and moist, well-drained soil, although it is relatively tolerant of sun and drought. It is a parent of the Indica hybrid azaleas, which are popular in warmer climates as garden plants and in colder areas as seasonal potted plants.