The Corylus avellana, better known under the name of common hazel or sometimes avelinier, is a fruit shrub interesting for its delicious hazelnuts, green or blond.
In summary, what you need to know:
Last name : Corylus avellana
Family : Betulaceae
Type : Shrub fruit tree
Height : 3 to 6 m
Exposure : Sunny
Ground : Ordinary, well drained
Foliage : Obsolete
Flowering : February to April
Harvest : Fall
- Health: benefits and virtues of hazelnuts on health
Planting Corylus avellana
Preferably plant Corylus avellana in autumn to promote rooting before winter.
But you can also plant the rest of the year, avoiding the hot summer months and winter frosts when it is cold.
It is essential to plant 2 different varieties to promote fertilization and to have fruit. When buying your hazelnuts, please note that they are indeed different varieties ...
- This step is important, follow our advice planting shrubs.
- Corylus avellana multiplies bycuttings or bylayering young shoots.
Pruning and caring for Corylus avellana
Corylus avellana is a very easy to care for fruit shrub and therefore hardly needs any care.
Note that no size is necessary, but a pruning in late winter to contain the size of Corylus avellana improves yields.
- Halve the young shoots to limit the size of the hazelnut tree to 1.8-2 m in height
- Remove dead wood and branches over 10 years old
- In general, the hazel tree dreads too straightforward pruning and prefers a soft size.
If you really want to reduce the branches or balance the hazelnut tree, never do it before flowering, which takes place in winter and until spring, otherwise you will not have any hazelnuts.
Hazelnuts are harvested as soon as the fruit breaks off the shrub and falls to the ground.
Balanin, hazel worm, treatment
The hazel worm, or balanin, lodges inside the hazelnut and devours it completely.
The surprise is therefore bad when we realize that the interior is empty!
- The balanin lodges underground to spend the winter
- Since it doesn't like the cold, you just have to scratch the ground in winter to dislodge it
- The slightest frost will then be right for its survival and you will be rid of it ...
To know about the Corylus avellana
The name Corylus justCorolus, Latin name of the hazel tree which derives from the GreekKorus, "Helmet", in reference to the shape of the cups which surround the hazelnuts
Corylus avellanamust be nearby of another Corylus avellana to give hazelnuts because that is how fruiting takes place.
So install it in massif but also in the building hedges, it is in the interest of making your hedge aesthetic and productive!
The hazelnut harvest takes place in the fall and, even if the virtue of this large shrub is above all the harvest of its fruits, it is no less decorative thanks to its beautifully cut and colored foliage.
Smart tip about Corylus avellana
Remove the suckers (offspring) as you go to optimize the productivity and good shape of your Corylus avellana.
To read also
- How and when to prune a hedge?
- Growing and caring for purple hazelnut