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Osmanthus

Osmanthus is a genus of evergreen shrubs and small trees in the olive family (Oleaceae), with about 30 species.

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

Osmanthus is a genus of evergreen shrubs and small trees in the olive family (Oleaceae), with about 30 species. It is best known for its small, often highly fragrant flowers, and most species are native to eastern Asia. In Canada, Osmanthus is grown in warmer microclimates or as a container or greenhouse specimen for its fragrance.

Taxonomy and naming

Osmanthus is a genus within the family Oleaceae. The name is derived from Greek roots meaning “fragrant flower,” reflecting the scent of its blossoms. The type species is Osmanthus fragrans.

Description

Species in this genus are usually evergreen shrubs or small trees with leathery leaves. They produce small flowers that are often white or yellowish and commonly fragrant.

Distribution and habitat

Most Osmanthus species are native to eastern Asia, especially China, Japan, Korea, and neighbouring regions. A few species occur outside Asia, including in the Caucasus, New Caledonia, and Sumatra.

Uses and cultivation

Several species, especially Osmanthus fragrans, are grown ornamentally for their foliage and fragrance. They are valued in gardens and landscaping as evergreen structural plants. In Canada, Osmanthus is grown in gardens as a fragrance plant in warmer microclimates and as a container or greenhouse specimen in colder regions.

Key facts

  • Osmanthus belongs to the olive family, Oleaceae.
  • The genus contains about 30 species.
  • Most species are native to eastern Asia.
  • Plants are typically evergreen shrubs or small trees.
  • The flowers are usually small and fragrant.
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Canadian context

Osmanthus is grown in Canadian gardens as a fragrance plant in warmer microclimates and as a container or greenhouse specimen in colder regions.

Frequently asked questions

What is Osmanthus?
Osmanthus is a genus of flowering plants in the olive family, made up of evergreen shrubs and small trees.
How many species are in Osmanthus?
The genus is generally described as having about 30 species, though some sources give a slightly different total.
Where are Osmanthus plants native to?
Most species are native to eastern Asia, with additional species found in the Caucasus, New Caledonia, Sumatra, and a few other regions.
Why is Osmanthus well known?
It is widely known for its small, often strongly fragrant flowers, especially in Osmanthus fragrans.
Is Osmanthus part of the olive family?
Yes. Osmanthus belongs to Oleaceae, the same family as olives, lilacs, and jasmines.

References

  1. Wikipedia — https://en.wikipedia.org/wiki/Osmanthus
    Supports: Genus name, family Oleaceae, approximate species count, and broad native range.
  2. Seattle Japanese Garden — https://www.seattlejapanesegarden.org/blog/2017/2/28/osmanthus-a-classic-evergreen-bringing-structure-fragrance-to-the-garden
    Supports: Evergreen shrub/small tree habit, fragrant flowers, and etymology of the genus name.
  3. Oregon State University — https://landscapeplants.oregonstate.edu/osmanthus
    Supports: General plant characteristics, native range, and fragrance-related notes for Osmanthus.
  4. University of Florida — https://hort.ifas.ufl.edu/trees/OSMFRAA.pdf
    Supports: Osmanthus fragrans scientific name and common name.