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Photo: Franz Eugen Köhler, Köhler's Medizinal-Pflanzen, Public domain (via Wikimedia Commons)

Buchu

Agathosma betulina

Also known as Round-leaf Buchu, Bookoo, Bucco, Diosma betulina

At a glance
Family
Rutaceae (the citrus family)
Type
Evergreen shrub
Parts used
Leaves
Size
3 to 6 feet tall (1 to 2 m)
Bloom
Small, star-shaped white to pale pink flowers in late winter and spring
Habitat
Rocky, sandy mountain slopes of the Cederberg and Western Cape fynbos, South Africa
Acquisition
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Key benefits

Traditional urinary tract support
Traditional digestive comfort
Traditional relief for tired muscles
Warm, aromatic tonic herb

Traditional uses

Long before it had a Latin name, buchu was medicine to the Khoikhoi people of the Cape, who dried and crushed the oil-rich leaves into a fragrant powder called buchu poeier, worn on the skin and taken to ease aches, digestive troubles, and complaints of the kidneys and bladder. When Dutch settlers arrived at the Cape in the 1600s, they adopted the plant quickly, steeping the leaves in brandy to make the famous buchu brandy, a household tonic kept in nearly every farmhouse cupboard for generations. The leaves carry a strong, resinous scent, part black currant, part mint, part rosemary, that made buchu as prized for its fragrance as for its traditional healing reputation. It remains one of South Africa's most iconic folk herbs, still sold in Cape markets much as it was two centuries ago.

How to grow & use it

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  • Growing guide
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Pairs well with
  • Rooibos
  • Peppermint
  • Chamomile
Substitutes
  • Uva ursi
  • Juniper berry
Choose it when

For an old Cape Colony remedy, aromatic and sharp, kept close for the mornings after a long day.

Did you know?

Buchu leaves are dotted with tiny, visible oil glands, and crushing just one leaf releases a scent so strong, part black currant, part mint, that early Cape Dutch settlers named their signature tonic buchu brandy after it rather than after the fruit they steeped alongside it.

Safety

Buchu essential oil is concentrated and can be toxic to the liver if taken internally, so it should never be ingested. Buchu tea is a strong diuretic traditionally avoided during pregnancy and breastfeeding, and it may interact with diuretic medications or lithium.