Acidic Soil

A large, monoecism, deciduous tree, growing up to 25 m (82 ft.) in height. It has wide spreading branches, rugged...

An aromatic perennial on a creeping rootstock, it is 50 cm (20 in) in height. Leaves are linear to ovate,...

A perennial on a short rhizome with dense fibrous roots and a rosette of broadly ovate, rough-textured leaves. Flower stems...

A hardy perennial with a stout, twisted rhizome, it has a clump of broad, ovate basal leaves, from which the...

A hardy, clump-forming perennial, 30-90 cm (1-3 ft.) tall, it grows on a creeping rootstock, with pinnate leaves divided into...

A hardy perennial with a creeping rhizome, and usually branched stems, it is 30-45 cm (12-18 in) tall. The large...

A small, undistinguished perennial, 40 cm (16 in) high, it has a basal rosette of ovate leaves and cylindrical spikes...

A perennial climber, growing to 6 m (20 ft.), with a strong, woody stem and ovate, prominently-veined, dark-green leaves. It...

A large, frost-hardy perennial, 90 cm-1.5 m (3-5 ft.) tall, with smooth, hollow, purplish stems and ovate to lance late...

An aromatic, dioecious, evergreen tree growing to 6-7 m (19-23 ft.), it is the sole species of its genus. It...