Eupatorium perfoliatum is an upright sturdy perennial that forms clumps of unbranched stems. The stems are covered with long white hairs and large bright green leaves. The leaves are lance shaped, toothed and up to 8” long. ... The stems terminate in loose flat topped corymbs from 3-8” across.
The plant is self- fertile and pollinated by insects. Seed should be sown in spring and if it is not warm enough this can be done in seed raising trays.
Eupatorium perfoliatum, or Boneset, is a large herbaceous, clump-forming perennial shrub with small white flowers that appear in late summer and fall. The plant grows well in average, medium to wet soils with a consistent water source. It prefers full sun or part shade and tolerates both sandy and clay soils.
Introduction: Pro-toxic dehydropyrrolizidine alkaloids are associated with liver disease in humans. The potential for long-term, low-level or intermittent exposures to cause or contribute to chronically-developing diseases is of international concern. Eupatorium perfoliatum is a medicinal herb referred to as boneset. Common Boneset is a native perennial wildflower that grows from 2 - 4 feet tall. The central stem is covered in long white hairs and is unbranched with the exception of a few flowering side stems near the apex of the plant. The narrow, lanceolate (tapering), opposite leaves grow up to 8 inches long and 2 inches across.
