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Latin name: Rumex spp.

Plant description: ‘Weeds’ with large, elliptical leaves and a tall flower stalk. The flowers are green to reddish and inconspicuous and carried on long spikes. The seeds are small, brown and shiny.

Distribution: Dock is an invasive weed which has spread from its native Europe across much of the world. It is largely found on waste ground, waysides and cultivated ground but occurs in many types of habitat.

Allergenicity and other health impacts: Dock pollen contains allergenic proteins, causing seasonal allergies, but it is not known how many people in the UK are affected.

Season: May to September. Dock is wind-pollinated.

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