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Ballota nigra Black horehound (1 Page of 5) The Ballota nigra plant species is found in Britain. It is a member of the Labiatae family. Common gardeners may know the plant as Black horehound. Cultivation | Propagation | General Uses Medicinal | Edible Uses Latin Name: Ballota nigra Common Name: Black horehound Family: Labiatae Author: L. Known Hazards: None known Mature Height: 0.9 Mature Width: 0.75 Habitat: Waste ground, hedgerows, woods and shady places[13].
Cultivation Notes: 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].
For further Ballota nigra gardening information click on one of the blue links below Cultivation | Propagation | General Uses Medicinal | Edible Uses
The information above has been supplied solely via the hard work and dedication of the team at 'Plants for a Future'. View their bibliography

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