A snowdrop with wide, green, shiny leaves, Galanthus woronowii is currently the subject of research into sustainable harvesting of bulbous plants.
Ginkgo biloba, or maidenhair tree, has been described as a ‘living fossil’ because it is the sole survivor of an ancient group of trees older than the dinosaurs.
Heart-leaved houttuynia is a creeping herb with fleshy stems and a scent that has been described as lemon, sandalwood, coriander or raw fish.
A North American tree with dark-coloured timber and bark, black walnut produces timber and edible nuts (seeds) used in confectionery.
A vigorous, aromatic perennial native to southern and western Europe, apple mint is grown as a culinary herb and ornamental.
The white hoop petticoat daffodil is named after the characteristic shape of its flower.
The daffodil is the 'golden' flower that inspired the poetry of William Wordsworth.
Revered as a divine symbol for more than 5,000 years, the sacred lotus is a truly iconic plant.
Highly valued for its edible seeds known as 'pine nuts', the stone pine has been cultivated in Europe for almost 2,000 years.
A vigorous climber from India, Burma and Malaysia, laurel clock vine is a popular ornamental in the tropics.