| Hazel | Corylus colurna | Betulaceae |
 |
 |
 |
 |
|
 |
 |
 |
 |
|
|
||
| Classification | Hazel | |
| Height: | up to 20 m | |
| Leaf: | ovate | |
| Bloom: | February / March, male catkins, up to 12 cm long, female bloom is inconspicuous, red | |
| Fruit: | nut, edible | |
| Branches: | young shoots with glandular hair | |
| Bark: | grayish brown, shallow furrows | |
| Root: | roots in the shape of a heart | |
| Location: | sun to half-shade | |
| Soil: | sandy to loamy | |
| ph-value: | slightly acidic to very basic | |
| Diseases: | Hazel | |
|
|
||
| Fungi | ||
 |
||