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Summary

Physical Characteristics

Veratrum nigrum is a PERENNIAL growing to 1.5 m (5ft) by 0.6 m (2ft in).
See above for USDA hardiness. It is hardy to UK zone 6. It is in flower from August to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees, flies, Lepidoptera (Moths & Butterflies).
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 soil.

UK Hardiness Map US Hardiness Map

Synonyms

Plant Habitats

Woodland Garden Sunny Edge; Cultivated Beds;

Edible Uses

None known

References More on Edible Uses

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Analgesic Anthelmintic Emetic Errhine Expectorant Laxative Vermifuge

The root is anthelmintic, emetic, errhine, expectorant, laxative and vermifuge[178, 218]. This herb is highly toxic and should not be used internally, or even externally, without expert guidance[K]. The whole plant is analgesic[218].

References More on Medicinal Uses

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Other Uses

Insecticide

The dried and powdered root is used as an insecticide and a parasiticide[172]. It is also effective against caterpillars and mammals so great caution is advised[1, 19, 20].

Special Uses

Scented Plants

References More on Other Uses

Cultivation details

Requires a deep fertile moisture retentive humus-rich soil[200]. Succeeds in full sun if the soil does not dry out but prefers a position in semi-shade[200]. Dislikes dry soils[42]. Grows best in a cool woodland garden or a north facing border[42]. Plants are hardy to about -25°c[187], especially if they are given a protective mulch in the winter. The flowers smell of rotten fruit and are visited by flies[187]. Members of this genus are rarely if ever troubled by browsing deer[233]. Plants are long-lived and can be left in the same position for years without attention[233].

References Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

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Plant Propagation

Unless stored in damp sand at around 4°c the seed has a short viability[200]. Where possible it is best to sow the seed in a lightly shaded position in the greenhouse as soon as it is ripe[200]. Stored seed needs to be stratified but can be very slow to germinate. Germination can be erratic even for seed sown when it was fresh, it usually takes place within 3 - 12 months at 15°c but can be much longer[200]. The plant produces just one seedleaf in its first year, this forms an over-wintering bulb. It takes up to 10 years for the plant to reach maturity[200]. Sow the seed thinly so there is no need to thin or transplant them, and grow the seedlings on undisturbed in the pot for their first two years of growth. Apply a liquid feed at intervals through the growing season to ensure the plants do not become nutrient deficient. At the end of the second year plant out the dormant plants into individual pots and grow them on in light shade in the greenhouse for a further year or two before planting them out into their permanent positions in late spring or early summer. Division in March/April or in October. Establish the plants in pots in a shaded frame before planting them out[200]. Division is best carried out in the autumn because the plants come into growth very early in the spring[233]. Root cuttings, 6mm long with a bud, rooted in a sandy soil in a cold frame[200].

Other Names

If available other names are mentioned here

Native Range

TEMPERATE ASIA: Russian Federation (Altay, Buryatia, Chita, Gorno-Altay, Irkutsk, Kemerovskaja oblast, Krasnoyarsk, Novosibirsk, Tomsk, Tyva, Respublika), Kazakhstan, Mongolia, Russian Federation (Primorye), China (Heilongjiang Sheng, Henan Sheng, Hebei Sheng, Hubei Sheng, Gansu Sheng, Jilin Sheng, Guizhou Sheng, Liaoning Sheng, Shanxi Sheng, Shandong Sheng, Shaanxi Sheng, Sichuan Sheng, Nei Mongol Zizhiqu) EUROPE: Czechoslovakia, Austria, Switzerland, Hungary, Poland, Russian Federation (European part), Russian Federation (Saratov), Ukraine, Former Yugoslavia, Albania, Bulgaria, Italy, Romania, France

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so itâ€™s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

Related Plants

Latin Name	Common Name	Habit	Height	Hardiness	Soil	Shade	Moisture	Edible	Medicinal	Other
Veratrum album	White Hellebore, White false hellebore	Perennial	1.5	4-8	LMH	SN	M	0	2	2
Veratrum californicum	California False Hellebore	Perennial	2.5	4-8	LMH	SN	M	0	2	2
Veratrum maackii parviflorum		Perennial	1.0	-	LMH	SN	M	1	1	2
Veratrum viride	Indian Poke, American Hellebore	Perennial	2.0	3-7	LMH	SN	MWe	1	2	2

Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

Veratrum nigrum - L.