Acidic 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....

In South America it is a perennial, but in Europe and cool temperate regions it is a half-hardy annual. It...

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, 30-60 cm (1-2 ft.) tall, it has ovate to heart-shaped, pale-green, and soft-textured leaves and inconspicuous greenish-yellow...

A bushy, hardy perennial, to 1 m (3 ft.), with bright-green, pungently aromatic, pinnately-lobed leaves and a mass of white...

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

An evergreen tree, 20 m (65 ft.) in height, it has soft, grey bark and dark-green, ovate leaves, with a...

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