Japanese Holly, Box Leaved Holly

Ilex crenata

Physical Characteristics

Ilex crenata is an evergreen Shrub growing to 5 m (16ft) by 3 m (9ft) at a slow rate. See above for USDA hardiness. It is hardy to UK zone 6. It is in leaf all year, in flower from May to June, and the seeds ripen from September to October. The species is dioecious (individual flowers are either male or female, but only one sex is to be found on any one plant so both male and female plants must be grown if seed is required). and is pollinated by Bees. The plant is not self-fertile. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

Distribution

E. Asia - China, Japan, Korea.

Habitats

Woodland Garden Dappled Shade; Shady Edge; Hedge;

Edible Uses

Edible Parts: Fruit Edible Uses: Fruit[105, 177]. No further details are given, but some caution is advised[K].The fruit is about 5mm in diameter[200].

Medicinal Uses

None known

Known Hazards

Although no specific reports of toxicity have been seen for this species, the fruits of at least some members of this genus contain saponins and are slightly toxic. They can cause vomiting, diarrhoea and stupor if eaten in quantity[274].