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The corkscrew hazel (Corylus avellana 'Contorta') belongs to the weak growing woody plants. For this reason, it is an ideal plant for pre-and rockeries as well as planters. The woodland can be used well as a solitary and cut plant. The twisted twigs of the corkscrew hazelnut give a nice picture and are also very popular in the field of floristry. Particularly attractive in the garden, this woodland acts in early spring. For then it is not yet leafy, but already adorned by the elongated drooping yellowish kitten. The corkscrew hazelnut should not be confused with the curly willow (Salix erythroflexuosa) and the column oak (Quercus robur 'Fastigata'). The shrub belongs to the plant family of birch family (Betulaceae).
The deciduous tree can reach a stature height of between three and five meters and a growth width of between two and four meters. It thrives in the temperate climatic zone magnificently. The decorative front garden shrub is suitable even for urban areas because it is resistant to urban climate. The summery green leaves are round or slightly to heart-shaped, depending on the variety. The Corylus avellana 'Contorta' has a green leaf color in summer. In autumn, their foliage turns orange and yellow. But there are also varieties with red foliage, such as 'Red Majestic'. The flowering period can be from the beginning of February to the end of April. The fruits that the wood produces between early September to late October are edible. However, the harvest is significantly lower than the usual hazelnut shrub with straight branches.
At its location, the corkscrew hazel has the following requirements: The lighting conditions can be full sun to partial shade. The soil should have a normal structure and be dry to slightly damp. In addition, the soil should be shallow to deep with medium humus content. We recommend a pH from neutral to strongly alkaline. And the nutrient content should be normal to high.
Care instructions and cutting measures
Usually, the corkscrew hazelnut is refined on the ordinary but strong hazelnut. As a result, the finishing pad can drive through again and again. Such tall straight shoots must then be carefully cut off very close to the wood. Sometimes it may be that out of the root area, the finishing pad shoots out. Also there, the driven hazel rods must also be cut off. Overall, the corkscrew has a very good cut tolerability. Even radical cuts should not be able to harm her. And with the twisted branches you can make friends, neighbors or florists a pleasure. When cutting time those times are good, if the wood does not wear foliage. What is the case in autumn and winter. Because then you can shape the shrub better.
Normally, the corkscrew hazelnut is propagated by refining. Instead, you can also try an increase by dropping branches or cuttings. However, rooting can take up to two years.