The Royal Horticultural Society (RHS), founded in 1804 as the Horticultural Society of London, is the UK's leading gardening charity.
Clematis is a genus of about 300 species within the buttercup family, Ranunculaceae. Their garden hybrids have been popular among gardeners, beginning with Clematis × jackmanii, a garden standby since 1862; more hybrid cultivars are being produced constantly. They are mainly of Chinese and Japanese origin. Most species are known as clematis in English, while some are also known as traveller's joy, a name invented for the sole British native, C. vitalba, by the herbalist John Gerard; virgin's bower for C. terniflora, C. virginiana, and C. viticella; old man's beard, applied to several with prominent seedheads; leather flower for those with fleshy petals; or vase vine for the North American Clematis viorna.
The Award of Garden Merit (AGM) is a long-established annual award for plants by the British Royal Horticultural Society (RHS). It is based on assessment of the plants' performance under UK growing conditions.
Christopher "Christo" Hamilton Lloyd, OBE was an English gardener and a gardening author of note, as the 20th-century chronicler for thickly planted, labour-intensive country gardening.
Leucocoryne(glory-of-the-sun) is a genus of bulbous perennials in the family Amaryllidaceae. The foliage of all species is long and narrow and has an onion-like scent. The blue, white or lilac flowers are held in umbels.
RHS Garden Rosemoor is a public display garden run by the Royal Horticultural Society in north Devon, England.
Clematis montana, the mountain clematis, also Himalayan clematis or anemone clematis, is a flowering plant in the buttercup family Ranunculaceae. A vigorous deciduous climber, in late spring it is covered with a mass of small blooms for a period of about four weeks. The odorous flowers are white or pink, four-petalled, with prominent yellow anthers. It is native to mountain areas of Asia from Afghanistan to Taiwan.
Raymond John Evison OBE, VMH, is a nurseryman, lecturer, author and photographer. Born in 1944 he started his horticultural career at the age of 15 in Shropshire and moved to the island of Guernsey to set up The Guernsey Clematis Nursery in 1984.
Clematis armandii is a flowering climbing plant of the genus Clematis. Like many members of that genus, it is prized by gardeners for its showy flowers. It is native to much of China and northern Burma. The plant is a woody perennial. It attracts bees, butterflies, and hummingbirds.
Clematis alpina, the Alpine clematis, is a flowering deciduous vine of the genus Clematis. Like many members of that genus, it is prized by gardeners for its showy flowers. It bears 1 to 3-inch spring flowers on long stalks in a wide variety of colors. C. alpina is native to Europe; in the United States it grows best in American Horticultural Society zones 9 to 6, which are generally found in the southern USA.
Clematis lanuginosa is a flowering vine of the genus Clematis. Like many members of that genus, its hybrids are prized by gardeners for their showy flowers. It is endemic to Zhejiang province in eastern China and was first discovered near Ningbo by the plant hunter Robert Fortune in 1850 who sent plants back to England. It was lost to cultivation at about the time of the first world war and thought to be extinct but was rediscovered growing in the same area in 2008.
Clematis napaulensis, the Nepal clematis, is a species of flowering plant in the buttercup family Ranunculaceae. It is native to China and the Indian subcontinent, including Nepal, whence the specific epithet napaulensis.
Clematis cirrhosa is a species of flowering plant in the family Ranunculaceae, native to the Mediterranean. It includes the 'Freckles', 'Wisley Cream' and 'Jingle Bells' cultivars, with 'Freckles' and 'Wisley Cream' having gained the Royal Horticultural Society's Award of Garden Merit.
William Gregor MacKenzie ALS VMH (1904–1995) was a gardener and horticultural curator born in Scotland, where his father was head gardener at Ballimore, near Loch Fyne in Argyllshire.
Clematis heracleifolia, the tube clematis, is a species of flowering plant in the buttercup family Ranunculaceae, native to central and northern China. Unlike most other members of the genus Clematis, it has a scrambling rather than a climbing habit.
Clematis rehderiana is a species of Clematis native to Nepal and China. It has gained the Royal Horticultural Society's Award of Garden Merit.
Clematis tangutica, the golden clematis, is a species of flowering plant in the family Ranunculaceae. It is found from Central Asia through to most of China, and it has been introduced to western Canada, Czechia, Slovakia, Switzerland, and the South Island of New Zealand. Its cultivars 'Bill MacKenzie' and 'Lambton Park', both members of the Tangutica Group, have gained the Royal Horticultural Society's Award of Garden Merit.
Clematis 'Princess Diana' is a hybrid cultivar of Clematis, which was introduced in 1984. The cultivar was produced by British clematis breeder Barry Fretwell and named in honour of Princess Diana of Wales. The cultivar was created by hybridizing Clematis texensis with the cultivar Clematis 'Bees Jubilee'. The Royal Horticultural Society awarded this cultivar with a prestigious Award of Garden Merit in 2002.
