Trazel (Corylus x colurnoides)

At a glance
- Lifecycle
- Perennial (hardy)
- Exposure
- Full sun
Cultivation
An easily grown plant, it succeeds in most soils, but is in general more productive of seeds when grown on soils of moderate fertility. A hybrid of garden origin, it combines the non-suckering, winter hardiness and vigorous growth of C. colurna with the free-falling, early bearing and large nut size of C. avellana. Members of this genus bear transplanting well and can be easily moved even when relatively large.
Propagation
Seed - best sown as soon as it is harvested in autumn in a cold frame. When large enough to handle, prick the seedlings out into individual pots and grow them on in a cold frame or sheltered place outdoors for their first winter. Plant them out into their permanent positions in late spring or early summer[K]. This species is a hybrid and will not breed true from seed. Layering in autumn. Easy, it takes about 6 months.
Edible uses
Seed - raw or cooked. 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.
Habitat
Not known in the wild.
Native range
A hybrid, C. avellana x C. colurna.