Cicuta virosa

L.

Cowbane, Mackenzie's water hemlock

ApiaceaePotential hazards — see below
Caution — Parts of this plant may be toxic or require specific preparation. Verify with multiple sources before consuming.
Cicuta virosa
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(c) Элеонора Анатольевна, some rights reserved (CC BY), uploaded by Элеонора Анатольевна
Cicuta virosa
iNaturalist · cc-by-nc
(c) Марина Королева, some rights reserved (CC BY-NC), uploaded by Марина Королева
Cicuta virosa
iNaturalist · cc-by-nc
(c) Dina Nesterkova, some rights reserved (CC BY-NC), uploaded by Dina Nesterkova

What to Eat

One report says that the boiled leaves have been eaten. This is very unwise, see the notes above on toxicity.

Known Hazards

A very poisonous plant, even a small bite can be lethal. The active ingredient is called cicutoxin, it is a spasmodic with a high toxicity to the central nervous system. It causes death by respiratory paralysis.

Where to Find It

Northern and central Europe, including Britain, east to Japan.

TEMPERATE ASIA: Georgia, Russian Federation-Western Siberia (Western Siberia), Russian Federation-Eastern Siberia (Eastern Siberia), Kazakhstan (east), Kyrgyzstan, Uzbekistan, Mongolia, Russian Federation (Primorye, Kamcatskij kraj, Sakhalin), China (Gansu Sheng, Hebei Sheng, Heilongjiang Sheng, Jilin Sheng, Liaoning Sheng, Nei Mongol Zizhiqu, Shaanxi Sheng, Sichuan Sheng, Xinjiang Uygur Zizhiqu), Japan (Hokkaidô, Honshu, Kyushu, Shikoku) TROPICAL ASIA: India (Jammu and Kashmir) NORTHERN AMERICA: Canada (Northwest Territories (southwest), Yukon, Ontario (north), Québec (northwest), Alberta, British Columbia (north), Manitoba (north), Saskatchewan (north)), United States (Alaska) EUROPE: Denmark, Finland, United Kingdom, Ireland, Norway, Sweden, Austria, Belgium, Switzerland, Czech Republic, Germany, Hungary, Netherlands, Poland, Slovakia, Russian Federation (European part), Belarus, Estonia, Lithuania, Latvia, Moldova, Ukraine, Bulgaria, Greece, Croatia, Italy (north), Romania, Serbia, Slovenia, France

How to Identify

Cicuta virosa is a PERENNIAL growing to 1.2 m (4ft). It is in flower from July to August. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees, flies. The plant is self-fertile. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist or wet soil.

How to Grow

Prefers a moist or wet acid soil.

Propagation: Seed - sow spring or autumn in a cold frame. When they are large enough to handle, prick the seedlings out into individual pots and plant them out into their permanent positions in the summer. If you have sufficient seed, outdoor sowings in situ could be tried in the spring and the autumn.

Medicinal Uses

Analgesic Antispasmodic Emetic Epilepsy Galactofuge Sedative. The root is analgesic, antispasmodic, emetic, galactofuge and sedative. The whole plant is highly toxic and is not used in herbal medicine. A homeopathic remedy has been made from this plant in the past. It was used in the treatment of epilepsy, meningitis and other ailments affecting the brain.

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