Osmanthus fragrans (Sweet Osmanthus)

Osmanthus fragrans (Sweet Osmanthus)

Osmanthus fragrans, commonly known as Sweet Osmanthus or Sweet Olive, is an evergreen shrub or small tree valued for its highly fragrant flowers and dense glossy foliage. It is widely used in hedging, screening, courtyards, and feature planting where fragrance and year-round structure are desired.

The plant produces leathery, dark green leaves with a glossy finish, forming a dense and attractive canopy. Small white to creamy-orange flowers appear along the stems, usually in autumn and intermittently through warmer months, releasing an intense sweet fragrance often compared to apricot or jasmine.

Key Features

Sweet Osmanthus is known for its exceptionally fragrant flowers.

It forms a dense evergreen shrub suitable for hedging and screening.

Its refined foliage and upright habit suit both formal and informal landscapes.

Growth Habit and Size

This species grows as a dense shrub or small tree with an upright habit.

It typically reaches 3 to 6 metres in height, with a spread of approximately 2 to 4 metres. Growth rate is moderate.

Care Requirements

Light

Performs best in full sun to partial shade. Full sun encourages stronger flowering.

Watering

Requires regular watering during establishment. Once established, it prefers moderate watering.

Water during prolonged dry periods.

Soil

Prefers fertile, well-draining soil enriched with organic matter.

Temperature and Climate

Suitable for temperate to subtropical climates. Tolerates humidity, wind, and moderate frost once established.

Maintenance

Low maintenance. Prune lightly after flowering to maintain shape and density.

Fertilise during the growing season if needed to encourage healthy growth.

Mulching helps retain soil moisture and improve soil quality.

Common Issues

Poor drainage may lead to root problems.

Reduced flowering may occur in heavy shade.

Generally pest and disease resistant.

Applications

Osmanthus fragrans is suitable for:

Hedging and screening
Fragrant gardens
Courtyard planting
Feature planting
Formal gardens
Large containers and patio planting

Its fragrance makes it ideal near pathways and outdoor living spaces.

Specification and Care Chart

FAQ – Osmanthus fragrans

What does the fragrance smell like?
Sweet and fruity, often compared to apricot or jasmine.

When does it flower?
Mainly in autumn, with occasional flowering at other times.

Is it good for hedging?
Yes, it forms a dense evergreen hedge.

Does it need full sun?
Full sun encourages best flowering, though partial shade is tolerated.

Is it frost tolerant?
Yes, it tolerates moderate frost once established.

How big does it grow?
Typically reaches 3 to 6 metres in height.