Clay Soil

A tall, hardy biennial, growing to 2 m (6 ft.), it has a basal rosette of soft, downy, blue-grey leaves,...

A tough, spreading perennial, the erect stems grow to 1.5 m (5 ft.) tall, on creeping roots. The stems and...

A deciduous tree 15-20 m (50- 65 ft.) in height, it has dark-brown, rough bark and obviate, toothed, deeply-veined leaves....

A short-lived perennial, it is decumbent to erect, 20-60 cm (8 in-2 ft.) in height. The leaves are trifoliate and...

A hardy perennial, up to 1 m (3 ft.) tall, it has a creeping rhizome and oval, silvery-green, soft-textured leaves,...

A spreading, mat-forming annual, the much-branched stems grow up to 40 cm (16 in) long, but most are decumbent and...

A mat-forming, hairy, hardy perennial, it has a basal rosette of wrinkled, ovate leaves with dentate margins. Flower stems rise...

A vigorous hardy perennial, growing to 1 m (3 ft.) in height. It has branched stems, lance late, finely toothed...

A tall annual or biennial, up to 1.2 m (4 ft.) in height, it has large, deeply lobed, spiny leaves...

A strong-smelling perennial on a stout, knotted rhizome, 40-80 cm (16-32 in) n height, it has ovate to lance late...