The Royal Horticultural Society (RHS), founded in 1804 as the Horticultural Society of London, is the UK's leading gardening charity.
Aeonium, the tree houseleeks, is a genus of about 35 species of succulent, subtropical plants of the family Crassulaceae. Many species are popular in horticulture. The genus name comes from the ancient Greek αἰώνιος / aiōnios (ageless). While most of them are native to the Canary Islands, some are found in Madeira, Cape Verde, Morocco, in East Africa and Yemen.
Impatiens walleriana, also known as busy Lizzie, balsam, sultana, or simply impatiens, is a species of the genus Impatiens, native to eastern Africa from Kenya to Mozambique. The Latin specific epithet walleriana honours a British missionary, Horace Waller (1833–1896).
Hyacinthus orientalis, the common hyacinth, garden hyacinth or Dutch hyacinth, is a species of flowering plant in the family Asparagaceae, subfamily Scilloideae, native to southwestern Asia, southern and central Turkey, northwestern Syria, Lebanon and northern Israel. It was introduced to Europe in the 16th century. It is widely cultivated everywhere in the temperate world for its strongly fragrant flowers which appear exceptionally early in the season, and frequently forced to flower at Christmas time.
Sempervivum arachnoideum, the cobweb house-leek, is a species of flowering plant in the family Crassulaceae, native to European mountains, in the Alps, Apennines and Carpathians. Growing to 8 cm (3 in) tall by 30 cm (12 in) wide, it is a rosette-forming succulent perennial, valued in cultivation for its ability to colonise hot, dry areas via offsets.
Frithia pulchra, the fairy elephant's feet, is a species of flowering plant in the fig‑marigold family Aizoaceae, endemic to Gauteng Province, South Africa. Its natural habitat is temperate grassland with high summer rainfall. A tiny stemless succulent growing to just 10 cm (3.9 in) tall and 20 cm (7.9 in) broad, it has bulbous oblong leaves with leaf windows at the tip; and magenta and white daisy-like flowers in winter. During periods of drought it has the ability to shrink beneath the soil surface, thus avoiding excessive desiccation, but making it extremely difficult to find.
Umbilicus oppositifolius, common names lamb's-tail and gold drop, is a succulent, perennial flowering plant, a species in the genus Umbilicus of the family Crassulaceae. It is endemic to shady mountain areas in the Caucasus.
Hylotelephium cauticola, the cliff stonecrop, syn. Sedum cauticola, is a species of flowering plant in the family Crassulaceae, native to Hokkaido, Japan. Growing to 8 cm (3 in) tall by 30 cm (12 in) wide, it is a carpet-forming succulent perennial with trailing stems of pink-tinged grey-green round leaves, and purplish pink star-shaped flowers in autumn.
Aeonium tabuliforme, the flat-topped aeonium or saucer plant, is a species of succulent plant in the family Crassulaceae, native and endemic to Tenerife in the Canary Islands. It is low-growing, typically reaching about 5 cm high but up to 45 cm in diameter. It grows on moist, north-facing cliffs and ledges at low altitude. A mass of fleshy, hairy, bright green leaves in flat rosettes is produced on short unbranched stems, often on vertical surfaces. This species is short-lived and dies after flowering. Plants often take 3-4 years to flower, at which point they produce a tall raceme of yellow flowers.
Oscularia deltoides, the deltoid-leaved dewplant, dassievygie or sandsteenvygie is a species of flowering succulent plant in the fig-marigold family Aizoaceae that is native to the south-western Cape, South Africa.
Agave parviflora is a species of succulent perennial flowering plant in the asparagus family, known by the common names Santa Cruz striped agave, smallflower century plant, and small-flower agave. It is native to Arizona in the United States and Sonora in Mexico.
Pleiospilos bolusii, the mimicry plant, is a species of flowering plant in the family Aizoaceae, native to the Eastern Cape of South Africa, where it grows at an altitude of 750–1,100 m (2,461–3,609 ft). The species epithet bolusii honours Harry Bolus, a 19th-century South African botanist.
Agave stricta, the hedgehog agave, is a species of flowering plant in the family Asparagaceae, native to Puebla and Oaxaca in Southern Mexico. Growing to 50 cm (20 in) tall, it is an evergreen succulent with rosettes of narrow spiny leaves producing erect racemes, 2 m (7 ft) long, of reddish purple flowers in summer. The foliage may develop a red tinge in the summer. The plant is also known to produce pincushion-like offsets as it grows.
Carruanthus is a genus of flowering plants from the ice plant family Aizoaceae.
Kalanchoe marmorata, the penwiper, is a species of flowering plant in the family Crassulaceae, native to Central and West Africa, from Zaire to Ethiopia, Sudan and Somalia. It is an erect or decumbent succulent perennial growing to 40 cm (16 in) tall and wide, with glaucous leaves spotted with purple, and starry white, four-petalled flowers, sometimes tinged with pink, in spring. As the minimum temperature for cultivation is 12 °C (54 °F), in temperate regions it is grown under glass as a houseplant.
Kalanchoe pumila, the flower dust plant, is a species of flowering plant in the stonecrop family Crassulaceae, native to Madagascar. Growing to 20 cm (8 in) tall and 45 cm (18 in) wide, it is a spreading, dwarf succulent subshrub with arching stems of frosted leaves, and clusters of purple-veined pink flowers in spring. As the minimum temperature for cultivation is 12 °C (54 °F), in temperate regions it is grown under glass as a houseplant.
Carruanthus peersii is from the Carruanthus genus of flowering plants from the ice plant family Aizoaceae.
Crassula ovata, commonly known as jade plant, lucky plant, money plant or money tree, is a succulent plant with small pink or white flowers that is native to the KwaZulu-Natal and Eastern Cape provinces of South Africa, and Mozambique; it is common as a houseplant worldwide. Much of its popularity stems from the low levels of care needed; the jade plant requires little water and can survive in most indoor conditions. It is sometimes referred to as the money tree; however, Pachira aquatica also has this nickname.
Orbea variegata is a species of flowering plant in the family Apocynaceae, known as the star flower. It is native to the coastal belt of the Western Cape, South Africa, growing actively during the winter rainfall season. It is an invasive species in southern Australia.
Adromischus maculatus, the spotted adromischus or calico hearts, is a species of flowering plant in the family Crassulaceae, which is endemic to the Eastern Cape and Western Cape of South Africa.
