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Holy basil

Holy basil is the common name for *Ocimum tenuiflorum*, an aromatic plant in the mint family (Lamiaceae) native to the Indian subcontinent and widely grown across tropical Asia.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 27, 2026|2 min read| Fact-checked

Holy basil is the common name for *Ocimum tenuiflorum*, an aromatic plant in the mint family (Lamiaceae) native to the Indian subcontinent and widely grown across tropical Asia. It is used as a culinary herb, in Ayurvedic and folk medicine, and is considered sacred in Hinduism. The plant is strongly aromatic with clove-, mint-, and basil-like notes and a peppery or spicy taste.

Taxonomy and naming

Holy basil is usually identified as *Ocimum tenuiflorum*, with *Ocimum sanctum* used as a synonym in many sources. Common names include holy basil, tulsi, and tulasi.

Description

The plant is an aromatic herb or subshrub with hairy stems, opposite leaves, and small purplish flowers arranged in whorls. Descriptions note green or purple foliage and a characteristic spicy fragrance.

Distribution and cultivation

Holy basil is native to the Indian subcontinent and tropical South Asia, and it is now cultivated or naturalized in many tropical regions worldwide. It is often grown in home gardens and temple settings. In some places outside its native range, it is treated as an agricultural weed or invasive plant.

Uses

Holy basil is used as a culinary herb, especially in Southeast Asian cooking, and is also widely used in traditional medicine. It is commonly prepared as herbal tea. Sources also note its use as an insect repellent and in other household practices.

Cultural significance

The plant is sacred in Hindu tradition and is commonly associated with worship and festivals. Tulsi is treated as an important religious and cultural plant in South Asian communities.

Key facts

  • Holy basil is *Ocimum tenuiflorum*, a member of the mint family.
  • It is native to the Indian subcontinent and widely cultivated across Southeast Asia and other tropical regions.
  • The plant is strongly aromatic with clove-, mint-, and basil-like notes and a peppery or spicy taste.
  • It is used in Ayurvedic and folk medicine and commonly prepared as herbal tea.
  • Holy basil is sacred in Hinduism and closely associated with Tulsi worship.
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Canadian context

Holy basil is relevant to Canadian readers as a culinary and medicinal herb sold in garden centres, grocery stores, and herbal products, and it is also of interest in Canada’s diverse South Asian communities.

Frequently asked questions

What is holy basil?
Holy basil is the common name for *Ocimum tenuiflorum*, an aromatic plant in the mint family used as a herb, medicinal plant, and sacred plant in Hinduism.
Is holy basil the same as tulsi?
Yes. Tulsi or tulasi are common names for holy basil, especially in South Asia.
Where is holy basil native to?
It is native to the Indian subcontinent and nearby tropical Asian regions.
How is holy basil used?
It is used as a culinary herb, commonly as herbal tea, and in Ayurvedic and folk medicine.
What does holy basil smell or taste like?
Sources describe it as clove-like, mint-like, and basil-like, with a peppery or spicy flavour.
Why is holy basil culturally important?
In Hinduism, holy basil is considered sacred and is associated with religious practice and worship.

References

  1. Encyclopaedia Britannicahttps://www.britannica.com/plant/holy-basil
    Supports: Scientific name, family, native range, uses, sacred status, flavour, and invasive behavior.
  2. CABI Compendiumhttps://www.cabidigitallibrary.org/doi/full/10.1079/cabicompendium.110287
    Supports: Native range, worldwide cultivation and naturalization, and long history of culinary and medicinal use.
  3. NC State Extensionhttps://plants.ces.ncsu.edu/plants/ocimum-tenuiflorum/
    Supports: Growth form and native range in southern Asia.
  4. GCQ Academyhttps://gcq.ac.in/ocimum-tenuiflorum-ocimum-sanctum/
    Supports: Morphology including height, leaves, flowers, and seed/fruit description; medicinal and pest-control uses.
  5. National Parks Board Singaporehttps://www.nparks.gov.sg/florafaunaweb/flora/2/2/2275
    Supports: Perennial herb description, scent, culinary use, and sacred Hindu associations.
  6. Encyclopaedia Britannicahttps://www.britannica.com/plant/holy-basil
    Supports: Cultivation, culinary and medicinal uses, and sacred status.