Hemp Agrimony (Eupatorium cannabinum).


A tall and robust willdflower, Hemp Agrimony is a herbaceous perennial plant, with long narrow leaves and large clusters of small light pink or purple flowers, that appear (early Autumn) July to September.

In the Wild

Widespread across England and Wales, Hemp Agrimony is most commonly found growing in the wild in wet or damp areas of open woodland, on river banks and in ditches, it often attracts Butterflies, Moths, Bees, Hoverflies and many other insects .

In the Garden

Hemp Agrimony can make a great architectural border plant, and is a perfect addition to a wildlife garden. It will grow in most soil types, preferring moist well drained soil and will tolerate a mixture of sunshine and shade.

Hemp Agrimony (Eupatorium cannabinum) Light pink or purple blooms

Hemp Agrimony (Eupatorium cannabinum) clusters of small Light pink or purple flowers

A patch Hemp Agrimony (Eupatorium cannabinum) flowering in local woodland

Hemp Agrimony (Eupatorium cannabinum) flowering in August in open woodland


To get Hemp Agrimony in the garden this year, 1 litre pots sizes available, for more information Visit Thompson & Morgan here

Hemp Agrimony Information

  • Name: Hemp Agrimony (Eupatorium cannabinum)
  • Group: Asteraceae
  • Type: Perennial
  • Height: around 1.5m spread 1.0m
  • Flowering: July to September
  • Position : sun to semi-shade.
  • Butterflies regularly seen visiting this plant : Red Admiral, Holly Blue, Peacock, Large Skipper, Green- veined White, Silver-washed Fritillary (Argynnis paphia).
  • Propagation: Seeds or Root division, mulch in spring
  • Cultivated Varieties : Eupatorium maculatum ‘Atropurpureum’.
  • Photographed: 25th August 2011
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