About
Eupatorium cannabinum, hemp agrimony, is a robust, clump-forming, upright perennial to around 1.5 m tall with reddish stems, rich-green, palmately-divided leaves with narrow leaflets, and dense, domed clusters of tiny, pale-pink or pinkish-purple flowers in late summer and early autumn. One of the most valuable native wildflowers for attracting butterflies and insects.
About the genus
Eupatorium, the bonesets, are annuals, herbaceous perennials, subshrubs and evergreen shrubs producing small, tubular flowers in terminal panicles or corymbs, often in late summer and autumn. Valuable for attracting butterflies and pollinators to the garden.
Plant details
Suggested usesBedding, containers, hanging baskets.
Care notes
CultivationPlant out after last frost in fertile, well-drained soil.
PruningDeadhead regularly to prolong flowering.
PropagationGrow from seed sown in spring.
Pest resistanceGenerally pest-free. Monitor for common garden pests.
Disease resistanceGenerally disease-resistant. Ensure good air circulation.