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Corylus avellana (Hazel)
1 hour care
per year
per year
8m
Max height
Max height
8m
Max spread
Max spread
10-20 years
To maturity
To maturity
Plant details
Botanical name
Corylus avellana
Other names
Hazel, Wood nut, Hale nut, Hazel nut, Cobnut, Common filbert, European hazelnut, Stock nut
Genus
Corylus Corylus
Species
C. avellana - C. avellana is a large deciduous shrub or small tree with long yellow male catkins, and short red female catkins in the spring before the leaves. It has green leaves and in summer it has clusters of sweet, oval nuts that are covered with green husks.
Corylus avellana is: Deciduous
Tree shape
Spreading
Flower
Yellow in Spring
Foliage
Green in Spring; Green in Summer; Yellow in Autumn
How to care
Watch out for
Specific pests
Aphids , Caterpillars , Gall mites , Sawflies , Squirrels Aphids , Caterpillars , Gall mites , Sawflies , Squirrels
Diseases
Generally disease-free.
General care
Propagation methods
Layering, Seed
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Where to grow
Corylus avellana (Hazel) will reach a height of 8m and a spread of 8m after 10-20 years.
Suggested uses
Cottage/Informal, Flower Arranging, Hedging/Screens, Low Maintenance, Wildflower, Wildlife
Cultivation
Plant in moist, free-draining, ideally alkaline soil in full sun or partial shade.
Soil type
Chalky, Loamy, Sandy
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Alkaline, Neutral
Light
Partial Shade, Full Sun
Aspect
North, South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Corylus avellana
Other names
Hazel, Wood nut, Hale nut, Hazel nut, Cobnut, Common filbert, European hazelnut, Stock nut
Genus
Corylus Corylus
Species
C. avellana - C. avellana is a large deciduous shrub or small tree with long yellow male catkins, and short red female catkins in the spring before the leaves. It has green leaves and in summer it has clusters of sweet, oval nuts that are covered with green husks.
Foliage
Deciduous
Tree shape
Spreading
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Colour
Flower
Yellow in Spring
Foliage
Green in Spring; Green in Summer; Yellow in Autumn
How to care
Watch out for
Specific pests
Aphids , Caterpillars , Gall mites , Sawflies , Squirrels
Diseases
Generally disease-free.
General care
Propagation methods
Layering, Seed
Monthly care advice
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Where to grow
Corylus avellana (Hazel) will reach a height of 8m and a spread of 8m after 10-20 years.
Suggested uses
Cottage/Informal, Flower Arranging, Hedging/Screens, Low Maintenance, Wildflower, Wildlife
Cultivation
Plant in moist, free-draining, ideally alkaline soil in full sun or partial shade.
Soil type
Chalky, Loamy, Sandy
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Alkaline, Neutral
Light
Partial Shade, Full Sun
Aspect
North, South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
USDA zones
Zone 9, Zone 8, Zone 7, Zone 6, Zone 5, Zone 4, Zone 3
Defra's Risk register #1
Plant name
Corylus avellana (Hazel)
Common pest name
Asian longhorn beetle; Starry sky beetle
Scientific pest name
Anoplophora glabripennis
Type
Insect
Current status in UK
Absent
Likelihood to spread to UK (1 is very low - 5 is very high)
2
Impact (1 is very low - 5 is very high)
4
General biosecurity comments
Recognised threat to a wide range of deciduous tress native to the UK. Already regulated it is a priority for continued surveillance and statutory action. The risk of entry is further mitigated by EU legislation requiring the monitoring of wooden packaging material originating from China.
Defra's Risk register #2
Plant name
Corylus avellana (Hazel)
Common pest name
Lemon tree borer
Scientific pest name
Oemona hirta
Type
Insect
Current status in UK
Absent
Likelihood to spread to UK (1 is very low - 5 is very high)
3
Impact (1 is very low - 5 is very high)
3
General biosecurity comments
Wood boring beetle native to New Zealand with a wide host range of trees and shrubs. The UK will press for consideration of UK listing.
Defra's Risk register #3
Plant name
Corylus avellana (Hazel)
Common pest name
Scientific pest name
Monochamus guttulatus
Type
Insect
Current status in UK
Absent
Likelihood to spread to UK (1 is very low - 5 is very high)
2
Impact (1 is very low - 5 is very high)
3
General biosecurity comments
East Asian longhorn beetle whose larvae feed on a range of deciduous trees; with a preference for dying trees. A PRA will help to better assess the level of risk to the UK.
About this section
Our plants are under greater threat than ever before. There is increasing movement of plants and other material traded from an increasing variety of sources. This increases the chances of exotic pests arriving with imported goods and travellers, as well as by natural means. Shoot is working with Defra to help members to do their part in preventing the introduction and spread of invasive risks.
Traveling or importing plants? Please read "Don't risk it" advice here
Suspected outbreak? Click here for contact details to report to the relevant authority.
Date updated: 7th March 2019 For more information visit: https://planthealthportal.defra.gov.uk/
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Chalky, Loamy, Sandy | Tell us... |
| Soil drainage: | Moist but well-drained, Well-drained | Tell us... |
| Soil pH: | Alkaline, Neutral | Tell us... |
| Light: | Partial Shade, Full Sun | Tell us... |
| Aspect: | North, South, East, West | Tell us... |
| Exposure: | Exposed, Sheltered | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
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Corylus avellana
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