Kozo

Broussonetia kazinoki

Physical Characteristics

Broussonetia kazinoki is a deciduous Tree growing to 4.5 m (14ft 9in). See above for USDA hardiness. It is hardy to UK zone 7 and is not frost tender. It is in flower in August, and the seeds ripen in September. The species is monoecious (individual flowers are either male or female, but both sexes can be found on the same plant). The plant is not self-fertile. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil. It can tolerate atmospheric pollution.

Distribution

E. Asia - C. and S. Japan, Korea.

Habitats

Woodland Garden Sunny Edge; Dappled Shade;

Edible Uses

Edible Parts: Flowers Fruit Leaves Edible Uses: Fruit - raw[105, 177]. A sweet taste[4]. The fruit comprises a ball about 1cm in diameter with small edible fruits protruding - there is not much edible flesh but it has a lovely flavour[K]. Prolonged ingestion of the fruit is said to weaken the bones[179]. Leaves - cooked and used as a vegetable[105, 177, 183]. Flowers[105, 177, 183]. No more details.

Medicinal Uses

Tonic The fruit is used as a tonic to increase vision and sexual potency[218].

Known Hazards

None known