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Coastguard Warns of Poisonous Plant on Cumbria Coast

Published 21 December 2025

A highly poisonous plant capable of killing humans and animals within hours has washed up along a 20-mile stretch of coastline in Cumbria, England, prompting urgent warnings from local coastguard teams earlier this week.

The plant, known as hemlock water dropwort or dead man's fingers, was spotted between the villages of Drigg and Parton, near Whitehaven. Officials believe recent stormy weather dislodged the vegetation from its typical habitat along riverbanks and carried it into the Irish Sea before it reached the shore. Confirmed sightings have been reported across this coastal area, where the plant's white roots, resembling a bunch of parsnips and emitting a parsley-like smell, pose the greatest risk.

Hemlock water dropwort contains a potent toxin called oenanthotoxin, concentrated in its roots. Even small amounts ingested can rapidly attack the nervous system, causing convulsions and ultimately death by asphyxia in as little as a couple of hours. The poison affects both people and pets, making accidental encounters particularly hazardous for families walking dogs or children playing on the beach.

In a public alert, the Millom Coastguard Rescue Team emphasized the dangers and...

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