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Large rounded to upright evergreen shrubs or trees with stiff lanceolate foliage. This variety has very dark, reddish-brown indumentum on the undersides of the leaves. The flowers (mid- to late spring) are white, pink, carmine or red. Found at higher elevations than ssp. arboreum and thus generally hardier. An impressive plant in both foliage and flower. Strong growing with a tree-like or large bushy habit. I have not documented the flower color on this clone which was collected wild in Nepal. This selection has the darkest indumentum of any arboreum in our large collection of this variable species - stunning.
An easy and floriferous deciduous azalea flowering in late spring and native to the southeastern US. The flowers range in color from yellow to orange-yellow. This is a selected clone with flowers strongly flushed with red suggesting some influence from canescens, a species with which it occurs in the wild. Easy in most regions and tolerant of hot and humid climates. Fine in sun or the woodland garden.
A newly discovered (2011) and described species (way to go Jens Nielsen!) from the Yunnan/Myanmar frontier, this may be most closely related to R. hanceanum which is known from far to the north in Sichuan. This does not appear to be a large-growing shrub having been recorded as reaching only one to two meters in the wild. The remarkable foliage is quite unlike any other species that I have seen. It emerges reddish-purple with the appearance of being coated with a dull wax. The deep green and shiny leaves are bright glaucous-white beneath. The small, white, funnel-shaped flowers (early spring) are strongly marked with red spots and splashes - quite striking!
A relatively new species to cultivation. This high alpine member of subsection Taliensia has dark red-brown indumentum on the lower leaf surface. Brightly colored rose to deep pink to almost red flowers in mid-spring. Best in very light shade with excellent drainage. From seed collected wild in a newly explored region of the Eastern Himalaya.
Only recently introduced from a newly explored region of the Sino-Himalaya. As seen in the wild, these were stunning foliage plants – very similar to the obviously closely related species bureavii and bureavioides but lacking the thick indumentum on the lower leaf surface. A very uniform population on a single mountain (but literally thousands of plants – it was the dominant species). Very beautiful glossy foliage. Probably pink to white flowers in mid-spring. Best in light shade with good drainage.
This is a dwarf mounding alpine shrub with small and colorful glaucous blue-green leaves. The flat-faced flowers are rose-crimson with darker crimson spots on the upper lobes in mid-spring. Easy in sun or light shade and an excellent specimen or rock garden plant. The flowers and new foliage provide a striking color combination. One of the finest of the dwarf species.
An excellent dwarf alpine species with a prostrate but mounding habit and dark green glossy leaves with upright and flat-faced dark rose-purple flowers in late spring. Perfect in a rock garden, best in sun with excellent drainage. Basically, this is the mounding form of what has long been called “R. radicans”. This clone grown from seed collected in the wild. Nice large plants this year.
This forms a rounded shrub with red-purple flowers in mid-spring. An admired species due to its stunning young foliage which emerges an intense blue-green with a white indumentum beneath. The indumentum eventually darkens to a thick orange-brown. A very striking and eye-catching plant in late spring and early summer and one of the most distinct and delightful species in the genus due to its incredible foliage. To be honest, this is a very shy-bloomer which is a bonus as the flowers are a rather harsh color against the glaucous blue foliage in my opinion.
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