Delavay Teaolive
Osmanthus delavayi · Oleaceae
📷 Kurt Stüber [1] · CC BY-SA 3.0
The gardener's calendar
In autumn, ease off feeding and take the chance to clean up around delavay teaolive and prepare for winter.
ID card
- Foliage
- Evergreen, small glossy dark green leaves
- Flowering
- March to April, highly fragrant white flowers
- Mature size
- 3 m tall, 2 to 2.5 m wide
- Growth rate
- Moderate
- Hardiness
- Moderate, hardy to –10 °C
- Origin
- Yunnan (China)
- Soil type
- Well-drained, slightly acidic to neutral
✓ Taxonomy verifiedSource: AI estimate · hardiness: reliability high.
Expert tips
The key tip
Osmanthus delavayi grows well on its own with minimal intervention. Water regularly during the first two years to establish roots; afterwards, only extreme drought justifies additional watering.
The common mistake
Waiting too long before pruning: branches become leggy, sparse at the base, and the shrub becomes thin and produces fewer flowers.
The pro's trick
After flowering, pinch back young shoots (5 cm of tip) rather than cutting with secateurs: this creates natural, dense branching without wounding the plant.
Care
Exposure
Delavay osmanthus appreciates partial shade, particularly in regions with hot summers. It tolerates direct sun, but excessively intense exposure can affect its foliage. A location sheltered from cold winds is recommended to promote flowering.
Watering
Water regularly during planting and the first year, keeping the soil moist but not waterlogged. Once established, the plant tolerates drought better. Increase watering during periods of intense heat and before spring flowering.
Soil and drainage
Prepare well-drained soil enriched with organic matter. Osmanthus dislikes waterlogging and heavy soils. Adding compost or peat at planting time facilitates establishment. Maintain slight moisture without excess.
Pruning and maintenance
Pruning is not essential, but you can prune lightly after flowering to maintain a harmonious shape. Remove dead or poorly oriented branches. Avoid severe pruning which would reduce flowering the following year.
Fertilizer
Apply balanced or potassium-rich fertilizer in spring to support growth and promote flowering. A light application of organic fertilizer in late winter can strengthen the plant.
Pests and diseases
Osmanthus is generally not prone to diseases. Watch for spider mites in summer during prolonged drought. Poor drainage can promote root rot. Good air circulation prevents fungal problems.
Did you know?
Delavay osmanthus owes its scientific name to French botanist Father Armand David (Delavay was his Chinese name). Discovered in Yunnan, its tiny yet intensely fragrant flowers have inspired Chinese distillers and have long been used in traditional perfumery. Its sweet and delicate aroma rivals that of many more spectacular flowers.
Where to buy it
Best planted in autumn so the roots settle in before summer, or in early spring once the frost has passed. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, October, November.
Add this plant to my garden →Plants from the same family
- Olive treeOlea europaea
- Wild privetLigustrum vulgare
- LilacSyringa vulgaris
- Green ashFraxinus pennsylvanica
- Narrow-leaved mock privetPhillyrea angustifolia
- California privetLigustrum ovalifolium
Tips generated and checked by Viridia — adapt them to your local climate.