Boneset

Eupatorium perfoliatum

herb

Boneset (Eupatorium perfoliatum) is a native North American perennial of wet meadows, marsh edges, and ditches, growing 2 to 4 ft tall with distinctive perfoliate leaves - opposite leaves so joined at the base that the stem appears to pierce through them. From midsummer to fall it carries broad, flat clusters of fuzzy white flowers that are a magnet for bees, butterflies, and beneficial insects. It has a long traditional use as a fever and cold herb, harvested as the flowering tops. It is an easy, hardy, pollinator-friendly choice for damp ground and rain gardens.

✅ Plant alongside

Good neighbors that attract beneficial insects or deter pests

• Bee Balm — A fellow moisture-loving native that joins boneset in a strong late-season pollinator planting
• Elderberry — A damp-tolerant shrub for the same wet ground, layering height behind the boneset
• Yarrow — Adds another beneficial-insect draw in a native or rain-garden bed

🛡️ Pest & disease prevention

Proactive ways to stop trouble before it starts — tap a name with an arrow for its full guide

• Aphids →

  Rinse colonies from stems; the many beneficial insects boneset attracts help control them

• Leaf miners →

  Remove and destroy mined leaves; damage is usually cosmetic on a robust plant

🌾 Harvest & storage

Harvest the leafy flowering tops as the plant comes into bloom in mid to late summer, cutting the upper third of the stems and drying them in a shaded, airy place for tea and tincture. The whole aerial part is traditionally used. Cutting in bloom may bring a lighter rebloom. Dry thoroughly, as the fuzzy flower heads hold moisture.

🥗 Nutrition & benefits

Boneset is strictly a traditional herbal-tea and tincture plant, not a food - the dried flowering tops, intensely bitter, were a staple in early American households. Its real garden value today is ecological: it is one of the best native perennials for feeding bees, butterflies, and beneficial insects in late summer, especially in wet ground.

⚠️ Toxicity & safety

Use with caution. Boneset contains pyrrolizidine alkaloids, the same class of liver-damaging compounds found in comfrey, and in large doses it also causes vomiting and acts as a laxative; handling it can irritate skin. It is a traditional herbal-tea plant, not a food - use it only occasionally and in small amounts, avoid it during pregnancy, and keep it away from children and pets.