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Classed as a semi-evergreen, because it loses some foliage in winter, mainly if weather is severe. It is a bushy...

It is a hardy perennial, about 30-60 cm (1-2 ft.) in height, the stems are erect, woody at the base,...

A hardy perennial, 20-30 cm (8-12 in) in height, it has a thick, knotted, yellow rhizome, palmate, deeply lobed leaves,...

A hardy, twining, herbaceous climber, it has clinging hairy stems and 3-7 lobed palmate leaves. Male and female flowers are...

An evergreen subshrub, 60 cm (2 ft.) in height, it has linear, silver-grey leaves and clusters of yellow button-shaped flowers...

A deciduous tree or shrub, up to 5 m (16 ft.) in height, it has smooth brown bark and obovate...

A graceful hardy perennial, growing to 1 m (3 ft.), with red-tinged, wiry stems, bronze-green, three-palmate leaves and irregularly star-shaped...

A rather undistinguished, hardy perennial plant, growing from 20-60 cm (8-24 in), with downy stems, three-lobed leaves and tiny, yellow,...

A hardy, clump-forming perennial, it grows to 75 cm (30 in) and has deeply divided palmate leaves. Large, round, purple-pink...

A hardy herbaceous perennial, it grows on a thick taproot, to a height of 1-2 m (3-6 ft.). Erect stems...