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Summary

Physical Characteristics

Ballota nigra is a PERENNIAL growing to 0.9 m (3ft) by 0.8 m (2ft 7in).
See above for USDA hardiness. It is hardy to UK zone 8 and is not frost tender. It is in flower from June to October. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in full shade (deep woodland) semi-shade (light woodland) or no shade. It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

Plant Habitats

Woodland Garden Dappled Shade; Shady Edge;

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.
Antianxiety Antiemetic Antispasmodic Stimulant Vermifuge

Black horehound has a long history of herbal use, though is not widely employed in modern herbalism because of its unpleasant flavour[238, 268]. Nonetheless, it does have a range of medicinal virtues, being especially effective in its action as an antiemetic[254]. In the past it was often used for treating problems connected with the respiratory system, convulsions, low spirits and the menopause, but present-day authorities differ over whether it was effective in these applications[254]. The whole plant is antiemetic, antispasmodic, expectorant, stimulant and vermifuge[4, 165, 238]. It is taken internally in the treatment of nervous dyspepsia, travelling sickness, morning sickness in pregnancy, arthritis, gout, menstrual disorders and bronchial complaints[238, 254]. The plant is harvested as it comes into flower and is dried for later use[238]. It should not be stored for longer than a year[238]. The fresh herb is sometimes used to make a syrup[238].

References More on Medicinal Uses

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Other Uses

None known

Special Uses

Scented Plants

References More on Other Uses

Cultivation details

Prefers a well-drained soil in full sun or partial shade[134, 238]. Avoids acid soils in the wild but tolerates a pH down to 5 in cultivation[200]. This species is not hardy in the colder areas of the country, it tolerates temperatures down to between -5 and -10°c[200]. This species is widely grown in herb gardens, but little employed because of its strong flavour[238]. Its essential oil is used to adulterate the oil of white horehound (Marrubium vulgare)[238]. The leaves emit a most unpleasant smell when bruised, somewhat like stale perspiration[245]. Plants can self-sow freely when well-sited[238]. There is at least one named variety selected for its ornamental value[238]. The whole plant has an offensive odour[4].

References Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

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Plant Propagation

Seed - sow spring or autumn in a greenhouse. The seed usually germinates in 3 - 6 weeks at 15°c[134]. Prick out the seedlings into individual pots when they are large enough to handle and plant them out into their permanent positions in the summer or following autumn. Division in spring. Larger divisions can be planted straight into their permanent positions whilst smaller clumps are best potted up and kept in a cold frame until they are growing away well.

Other Names

If available other names are mentioned here

Native Range

TEMPERATE ASIA: Cyprus, Iran, Israel, Lebanon, Syria, Turkey, Russian Federation-Ciscaucasia (Ciscaucasia), Armenia, Azerbaijan, Georgia, Russian Federation (Dagestan) EUROPE: Denmark, United Kingdom (England), Ireland, Sweden (south), Czechoslovakia, Austria, Belgium, Switzerland, Germany, Hungary, Netherlands, Poland, Russian Federation-European part (European part (south)), Belarus, Estonia, Lithuania, Latvia, Moldova, Ukraine (incl. Krym), Former Yugoslavia, Albania, Bulgaria, Greece (incl. Crete), Italy (incl. Sardinia, Sicily), Romania, Spain (incl. Baleares), France (incl. Corsica), Portugal AFRICA: Algeria (north), Morocco, Tunisia

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	Growth	Soil	Shade	Moisture	Edible	Medicinal	Other
Ballota acetabulosa	Greek horehound	Perennial	0.5	7-10		LMH	N	DM	0	0	3
Ballota pseudodictamnus		Perennial	0.6	7-10		LMH	N	DM	0	0	3
Quercus ilex ballota	Holm Oak	Tree	25.0	6-9	S	LMH	SN	M	5	2	3
Salvia ballotaeflora		Annual	0.0	-		LM	N	DM	1	0

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.

Ballota nigra - L.