Siberian Filbert

Corylus heterophylla

Physical Characteristics

Corylus heterophylla is a deciduous Tree growing to 7 m (23ft). See above for USDA hardiness. It is hardy to UK zone 5. It is in flower from April to May, and the seeds ripen from September to October. The species is monoecious (individual flowers are either male or female, but both sexes can be found on the same plant) and is pollinated by Wind. The plant is self-fertile. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils and can grow in very alkaline soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil. The plant can tolerates strong winds but not maritime exposure.

Distribution

E. Asia - China, C. Japan.

Habitats

Woodland Garden Secondary; Sunny Edge; Dappled Shade; Shady Edge;

Edible Uses

Edible Parts: Oil Seed Edible Uses: Oil Seed - raw or cooked[46, 61, 105, 177]. The seed, which has a hard shell, is of relatively good flavour[183]. Rich in oil. The seed ripens in mid to late autumn and will probably need to be protected from squirrels[K]. When kept in a cool place, and not shelled, the seed should store for at least 12 months[K]. An edible oil is obtained from the seed.

Medicinal Uses

Appetizer Digestive The seed is digestive and appetizer.

Known Hazards

None known