Family: Oleaceae

Native to Asia, the United States and Hawaii, this genus consists of 15 species of evergreen shrubs and trees. The flowers of most species are not showy, but the perfume is outstanding. The leaf shape and flowers vary according to species.

Species

O. americanus, zone 9, a native of the southern United States, grows up to 15 m (50 ft), with large, glossy leaves and creamy white, fragrant flowers.

O. delavayi, zone 7, is a delightful shrub, to 2 m (6 ft) or more, with clusters of white, sweet-scented flowers, fol­lowed by purplish black berries.

O. x fortunei, zone 7, a hybrid from japan, grows to 3 m (10 ft) high, with holly-like leaves and fragrant, white blooms.

O. fragrans, zone 7, is a tender, compact shrub to 6 m (20 ft), with little clusters of pretty, small, fragrant, white flowers in autumn, or in spring and summer, and finely toothed, oblong leaves with slender points. The flowers are used by the Chinese to flavour tea. Many describe the fragrance as that of sweet ripe apri­cots.

O. heterophyllus, zone 6, is a hardy shrub, quick-growing to 5 m (16 ft) tall, with broad, holly-like leaves and clusters of white, fragrant, autumn flowers.

Cultivation

Any garden soil will suit, though a sunny, sheltered spot is essential. Propagate from cuttings taken in late summer. Pruning is generally not necessary beyond a little shaping.

Climate

There are species suited to various cli­matic zones.