Ivy — Hedera (English name ivy, plural ivies) is a genus of 15 species of climbing or ground-creeping evergreen woody plants in the family Araliaceae, native to the Atlantic Islands, western, central and southern Europe, northwestern Africa and across central-southern Asia east to Japan. On suitable surfaces (trees and rock faces), they are able to climb to at least 25–30 …

Iris — Iris is a genus of between 200-300 species of flowering plants with showy flowers which takes its name from the Greek word for a rainbow, referring to the wide variety of flower colors found among the many species. As well as being the scientific name, iris is also very widely used as a common name and refers to …

Hydrangea — Hydrangea (common names Hydrangea and Hortensia) is a genus of about 70-75 species of flowering plants native to southern and eastern Asia (from Japan to China, the Himalaya and Indonesia) and North and South America. The flowers are extremely common in the Azores Islands of Portugal, particularly on Faial Island, which is known as the “blue island” due …

Honeysuckle — Honeysuckles are arching shrubs or twining vines in the family Caprifoliaceae, native to the Northern Hemisphere. There are about 180 species of honeysuckle, with by far the greatest diversity in China, where over 100 species occur; by comparison, Europe and North America have only about 20 native species each. Widely known species include Lonicera periclymenum (European Honeysuckle or …

Hollyhock — The hollyhocks comprise about 60 species of flowering plants in the genus Alcea in the mallow family Malvaceae, native to southwest and central Asia. They are biennial or short-lived perennial plants growing to 3.5 m tall, with broad, rounded, palmately lobed leaves and numerous flowers, pink or yellow in the wild species, on the erect central stem. Alcea …

Heather — Heather, Calluna vulgaris is the sole species in the genus Calluna in the family Ericaceae. It is the true Heather of Europe, and National Flower of Norway. However it also has an affiliation to Scotland. It is a small perennial shrub growing to 20-50 cm tall (rarely to 1 m), and is found widely in Europe and Asia …

Gladiolus — Gladiolus (from Latin, the diminutive of gladius, a sword) is a genus of flowering plants in the iris family (Iridaceae). Sometimes called the sword lily, the most widely-used English common name for these plants is simply gladiolus (plural gladioli or gladioluses). The genus Gladiolus contains about 260 species, of which 250 are native to sub-Saharan Africa, mostly South …

Geranium — The cranesbills make up the genus Geranium of 422 species of annual, biennial, and perennial plants found throughout the temperate regions of the world and the mountains of the tropics, but mostly in the eastern part of the Mediterranean. These attractive flowers will grow in any soil as long as it is not waterlogged. Propagation is by semi-ripe …

Gentian — Gentiana is a genus of flowering plants belonging to the Gentian family (Gentianaceae), tribe Gentianeae and monophyletic subtribe Gentianinae. This a large genus, with about 400 species. This is a cosmopolitan genus, occurring in alpine habitats of temperate regions of Asia, Europe and the Americas. Some species also occur in northwest Africa, eastern Australia and New Zealand. They …

Gardenia — Gardenia is a genus of about 250 species of flowering plants in the family Rubiaceae, native to the tropical and subtropical regions of Africa, southern Asia, Australasia and Oceania. The genus was named by Carolus Linnaeus after Dr Alexander Garden (1730-1791), Scottish-born American naturalist. They are evergreen shrubs and small trees growing to 1-15 m tall. The leaves …