Eupatorium rugosum
White Snakeroot
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White Snakeroot (Eupatorium rugosum) - Description
Ageratina altissima, also known as white snakeroot, richweed, white sanicle, or tall boneset, is a poisonous perennial herb in the family Asteraceae, native to eastern North America. An older binomial name for this species was Eupatorium rugosum, but the genus Eupatorium has undergone taxonomic revision by botanists and a number of the species once included there have been moved to other genera.
White Snakeroot (Eupatorium rugosum) - Blooming
Flowers attract butterflies. Do not remove spent flowers as showy seed heads persist into winter attracting birds.
White Snakeroot (Eupatorium rugosum) - Growth
Eupatorium grows best in full sun or partial shade.
White Snakeroot (Eupatorium rugosum) - Planting
Propagate by division in spring or by cuttings taken in early summer. Most species will self-sow or can be grown from seeds, but cultivars should be propagated by cuttings or divisions. Space plants 2' apart.
White Snakeroot (Eupatorium rugosum) - Pest
Slugs and snails, whiteflies, and spider mites. Other problems include powdery mildew, Southern blight, rust, leaf spots, and white smut.
White Snakeroot (Eupatorium rugosum) - Interesting facts
Bonesets, although used in folk medicine to treat the flu and arhtritis, are poisonous to humans causing liver damage or death.
White Snakeroot (Eupatorium rugosum) - Soil and irrigation
Grow in average to rich, moist soils. Water weekly during the summer if there is no rain.
