JC Raulston Arboretum at NC State University
(Sweet Broom, Vancouver Gold Sweet Broom)
Silky woadwaxen is a lovely prostrate deciduous shrub from mountains and heathlands of Europe. Selected in British Columbia, Canada, 'Vancouver Gold' is among its most widely grown cultivars. A noninvasive cousin of the familiar tall brooms (Cytisus spp.), it bears stiff branches and smallish green leaves for a fine textured look. The stems scramble around stones and cascade gracefully off ledges, eventually covering an area many times their height. Their gray-green color is welcome in the...
James H. Schutte
The super dwarf, fruitless maidenhair tree, 'Todd's WB' ('Todd's Witch's Broom'), is distinguished by its extra lobed and cupped, fan-shaped leaves and bushy habit. In fall, its interesting fan-shaped leaves turn a bright shade of yellow and in winter its dense habit and knobby branches add additional landscape interest. This clone was discovered as a witch's broom by conifer lover, collector and master grafter, Joe Stupka.
Ginkgo is a tall, hardy tree native to eastern China. The story of this...
Michael Charters, www.calflora.net
The fine, light silvery gray foliage of river star accentuates the small, dainty, fragrant white flowers in spring and summer. An evergreen shrub that attains an upright, V-shaped habit, it is native to southern Africa's moist or waterlogged soils around or in rivers.
The upright stems are silvery gray or pale green and thin, resembling fibers of a broom. The leaves are the same color, narrow and needle-like and line the stems that can slightly arch. From spring to fall, perhaps in hiatus only...
(Caricature Plant, Jamaican Croton)
Named for its artful look and mottled, variegated leaves, caricature plant is a lush, colorful tropical shrub. This tender evergreen it is believed to have originated from New Guinea but has become naturalized throughout Southeast Asia and parts of Oceania. It grows best in areas with ample warmth and tropical humidity but is otherwise very easy to grow.
The satiny leaves are thin and dark green with irregular variegated markings of white and yellow along the central vein. The stems are usually...
(Black Beauty Caricature Plant, Black Beauty Jamaican Croton, Caricature Plant)
A lush, dark-foliaged tropical shrub, Black Beauty caricature plant leaves are blackened dark green with reddish undersides. A tender tropical evergreen shrub, it is believed having its origin in New Guinea, but is naturalized throughout Southeast Asia and parts of Oceania.
The satin-glossed leaves are thin and charcoal dark green, or simply a drab black. Undersides of leaves can show off a salmon-red color, especially in sunlight. In late spring to summer each branch tip bears a flowerspike...
(Canberra Gem Grevillea, Grevillea, Spider Flower)
A hybrid of unknown parentage, 'Canberra Gem' is a rounded, medium-sized evergreen shrub with fragrant, prickly, needle-like leaves and rose-pink flowers. One of the hardiest of the Grevillea tribe, it survives into USDA Hardiness Zone 8a.
The short, awl-shaped, bright green leaves of 'Canberra Gem' are densely borne on ascending, gray-green stems. Spidery clusters of purple-pink flowers appear along the stems from winter to spring, and sporadically at other seasons. Nectar-seeking...
(Grevillea, Noell Grevillea, Spider Flower)
Drought resistance, beautiful flowers, and handsome evergreen foliage combine in this small, dense, mounding shrub. It is derived from Australian species (including Grevillea rosmarinifolia) that thrive in well-drained, slightly acidic soils.
The prickly, awl-shaped, glossy green leaves of 'Noell' are densely borne on arching stems. Spidery clusters of pink and cream flowers appear along the stems in spring. Nectar-seeking insects and birds visit and pollinate the blooms. Individual...
Michael Charters, www.calflora.net
Delicate flowers and foliage add feminine beauty to this otherwise big, burly shrub for dry, warm climates. Native to New South Wales and Victoria, Australia, rosemary-leaved grevillea thrives in well-drained, slightly acid soils. It has a large stature, upright habit and bears needle-like leaves, much like those of the herb, rosemary. The rich green foliage may become more yellow-green in extreme drought.
This is a winter bloomer, flowering off and on from fall through spring. Blossoms are...
(Climbing Raisinbush, Yellow Starflower)
Rarely grown as an ornamental but certainly worthwhile, climbing raisinbush's pretty yellow star-like flowers in summer and autumn are followed by tasty small fruits that are amber to reddish tan. A robust climbing, multi-stemmed large shrub, it is native to northeastern South Africa and southern Mozambique. The broadleaf evergreen usually is found growing near rivers and streams.
Oldest stems often become four-sided, the plant overall attaining a thicket-like, spreading tangle of weeping to...