Osmanthus delavayi
Osmanthus delavayi
Osmanthus delavayi
Osmanthus delavayi
Osmanthus delavayi
Delavay Osmanthus, Delavay Tea Olive, Delavay's Osmanthus
Lovely plant, I'm eagerly awaiting the flowering.
Catherine, 19/11/2025
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Description
The Osmanthus delavayi is an evergreen bush with a spring flowering of white flowers in clusters, with a jasmine fragrance; it is best suited for temperate regions.
Originally from China, this 3-4m (10-13ft) tall Osmanthus, also known as Siphonosmanthus, forms a compact and globose bush. The opposite, leathery, shiny, dark green leaves are 3cm (1in) long and sometimes prickly. In April, clusters of tubular, highly scented white flowers, 5cm (2in) long, bloom and later give way to blue-black berries. Its fragrance is similar to that of jasmine.
The Osmanthus delavayi is hardy up to -10°C (14°F) and grows in any moist, fertile, well-worked and well-drained soil, even chalky, in a sunny or semi-shaded position. Find a sheltered spot for it, protected from strong winds and heavy frost. Mulch in autumn.
The Osmanthus delavayi is a fast-growing screening plant and is ideal for hedges with photinias, aucubas, and laurustinus, as well as for flower beds in white gardens.
Osmanthus delavayi in pictures
Plant habit
Flowering
Foliage
Botanical data
Osmanthus
delavayi
Oleaceae
Delavay Osmanthus, Delavay Tea Olive, Delavay's Osmanthus
Cultivar or hybrid
Planting and care
The Osmanthus delavayi should be planted in spring with a spacing of 60/80cm (24/32in) for hedges. Dig a hole twice and a half times the size of the pot, loosen the bottom and add a large handful of horticultural compost or mix slow-release fertilizer with loose soil. Water well and mulch the soil to keep it fresh. After flowering, prune lightly to balance the shape and promote growth. It can withstand temperatures down to -10°C (14°F) if the soil is well-drained and mulched in autumn.
Planting period
Intended location
Care
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
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