Turkish Hazel
Corylus colurna
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Description
Corylus colurna, or Turkish Hazel, is a deciduous tree native to southeastern Europe and western Asia. It is a valuable component in agroecology and regenerative agriculture due to its adaptability to various soil types and resilience to urban pollution. This tree can grow up to 20 meters tall, featuring a distinctive pyramidal shape and corky bark. Turkish Hazel plays a crucial role in food forests as a canopy layer, providing shade and habitat for understory plants. It is known for its edible nuts, which are a rich source of nutrients for both humans and wildlife. Historically, the nuts have been used in traditional confectionery and as a protein source. In a regenerative agriculture context, Turkish Hazel can serve as a windbreak, enhance biodiversity, and improve soil health through leaf litter and root systems. It pairs well with guild companions like nitrogen-fixing plants (e.g., clover) and pollinator-friendly species (e.g., lavender).
Growing Details
Turkish Hazel thrives in well-drained, loamy soils but can adapt to sandy and clay soils. Prior to planting, enrich the soil with organic compost to enhance fertility. Mulching around the base helps retain moisture and suppress weeds. Companion plants like clover can improve soil nitrogen levels. Avoid overwatering, as Turkish Hazel is drought-tolerant once established. Harvest nuts in late autumn when they fall naturally. Store in a cool, dry place to extend shelf life.
Edible Parts
Fruit
Seed
Oil
Tags
Hedge
Carbon Farming
Attracts Wildlife
Fire Wood
Building Wood
Windbreak
Erosion Preventing
Bee Friendly
Visual Appeal
Easy Propagating
High Protein
Oil
Range (Based on GBIF Data)
The map shows known occurrence points of <strong>Corylus colurna</strong> recorded in scientific biodiversity databases.
Source: <a href="https://www.gbif.org" target="_blank">GBIF.org</a> โ Global Biodiversity Information Facility
Location & Timing
native geo location: Native to southeastern Europe and western Asi
applicable geo region: Temperate regions
language used: en
Flowering:
beginning
of March for 30 days
Harvest:
beginning
of September for 60 days
Seed Start:
beginning
of March
Indoor Start:
Transplant:
Uses & Benefits
Edible Rating:
(4/5)
edible uses: The nuts of Corylus colurna are edible and can be consumed raw or roasted. They are commonly used in confectionery and baking, offering a rich, nutty flavor. The nuts are typically harvested in late autumn and can be stored in a cool, dry place for several months.
Medicinal Rating:
(2/5)
medicinal uses: The nuts are a good source of protein and healthy fats, which can support cardiovascular health. They are also rich in vitamin E and magnesium. However, specific medicinal applications are limited, and individuals with nut allergies should avoid them.
health concerns: Individuals with nut allergies should avoid consuming the nuts.
other uses: The wood of Turkish Hazel is valued for its hardness and durability, making it suitable for furniture and tool-making. It also serves as a source of firewood.
Scientific Literature
Loading scientific articles about <strong>Corylus colurna</strong>...
Botanical data
specie: Corylus colurna
common names: Turkish Hazel; Turkish Filbert; Constantino
family: Betulaceae
sub family:
tribe:
sub tribe:
genus: Corylus
Growing Conditions
area needed: 10.0 m
spacing: 5.0 m
growing difficulty: Low
Deciduous / Evergreen: Evergreen
Seed Temp (Opt/Min/Max): 20ยฐC / 15ยฐC / 25ยฐC
Plant Temp (Opt/Min/Max): 18ยฐC / -20ยฐC / 35ยฐC
water demands: Medium
humidity:
light demands: High
root type: Medium
frost tender: Low
hardness:
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(5/10)
first harvest: 5 years
life span: 100 years
succession: Mid
growth rate: Medium
max height: 20.0 m
max width: 10.0 m
soil preference:
Medium (Loam)
pH preference:
Neutral
flower type:
Monoecious
growth details: Turkish Hazel thrives in well-drained, loamy soils but can adapt to sandy and clay soils. Prior to planting, enrich the soil with organic compost to enhance fertility. Mulching around the base helps retain moisture and suppress weeds. Companion plants like clover can improve soil nitrogen levels. Avoid overwatering, as Turkish Hazel is drought-tolerant once established. Harvest nuts in late autumn when they fall naturally. Store in a cool, dry place to extend shelf life.
Potential Disturbances: Common pests include aphids and caterpillars. Introduce beneficial insects such as ladybugs and lacewings to control aphid populations. Parasitic wasps can help manage caterpillar infestations. Planting marigolds nearby can deter nematodes. Use neem oil or garlic spray as organic pest control solutions.
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