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Hemp-agrimony

Eupatorium cannabinum · Asteraceae
Herb

Pink-flowered plant of damp places blooming in late summer; a butterfly favourite that gives honey bees moderate nectar and little pollen.

Nectar
Medium
Pollen
Low
Flowering
JanFebMarAprMayJunJulAugSepOctNovDec
Height
0,5-1,5 m
Life cycle
Perennial

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Value for beekeeping

Hemp-agrimony is a perennial that forms stands along stream and lake shores, in damp woodland clearings and ditches, and can reach one and a half metres in height. Its dense clusters of small pink heads particularly attract butterflies. Honey bees also visit and take nectar from the narrow tubular florets; its pollen contribution is low.

Flowering

It lasts 6-8 weeks from July to September; in damp valleys it coincides with the late-summer period when other sources are dwindling.

Honey and pollen

No monofloral honey is produced; it contributes to the late-summer mixed honey of damp regions.

Note for the beekeeper

The plant contains pyrrolizidine alkaloids; it is harmful to grazing animals and these substances can occur in trace amounts in honey. Bear this in mind for late-summer honey produced near dense stands. It is common in the damp valleys of the Black Sea and Marmara regions.

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