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PRE — Plant Risk Evaluator

Osmanthus heterophyllus

by KENPEI, Wikipedia user
Common Name(s)
Holly Olive, Chinese Holly, False Holly, False Olive, Holly Osmanthus
Synonym(s)
Osmanthus ilicifolius, Osmanthus aquifolium, Osmanthus integrifolius, Osmanthus bibracteatus, Olea aquifolium, Olea ilicifolia, Olea rotundifolia, Osmanthus acutus

Is this plant a cultivar?  No

Life History:  Perennial

Growth Form:  shrub

Japan and Taiwan

Winter hardy to USDA Zone 7 (perhaps Zone 6). If grown in Zone 6, it should be sited in a protected location with a winter mulch. It is best grown in rich, consistently moist, well-drained garden soils in full sun to part shade. Best with part afternoon shade in hot summer climates. Tolerates heavy clays. Drought tolerant once established. Clip off growing tips to maintain compact size and to encourage bushiness.
Osmanthus heterophyllus, commonly called holly olive or false olive, is a dense, upright, bushy evergreen shrub that typically grows to 8-10' tall and as wide in cultivation, but may reach 25' tall in the wild in its native habitat (Japan and Taiwan). It is noted for producing leathery, ovate to elliptic, deep green leaves (to 2 1/2" long) which vary in shape: juvenile leaves typically have holly-like spiny margins (often 3-5 spiny teeth per side with a single tooth at the apex) and adult leaves typically are entire. The amount of toothing per leaf often varies considerably on the same shrub. Although the spiny juvenile leaves resemble the leaves of some hollies, holly olive leaves are opposite and holly leaves are alternate. Tiny fragrant 4-petaled white flowers bloom from the leaf axils in small clusters in fall. Plants are dioecious (male and female flowers on separate plants). Flowers are often hidden in the foliage. Fruits (5/8" long) on female plants ripen in the year after flowering, but are usually not produced in cultivation.
Genus name comes from the Greek words osme meaning fragrant and anthos meaning flower.
Specific epithet comes from the Greek hetero meaning different and phyllus meaning leaf in recognition of the leaf variations.
No serious insect or disease problems. Watch for scale and aphids.

It is widely used as a hedge plant.

External Resources
GBIF Species Page
USDA Plants Database page
Tropicos Species Page
US National Germplasm Database
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Images

by KENPEI, Wikipedia user
image info

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