Turkish Hazelnut
Corylus colurna
- Native to:
- Albania, Bulgaria, Greece, Iran, North Caucasus, NW. Balkan Pen., Romania, Transcaucasus, Türkiye, Türkiye-in-Europe
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Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Betulaceae
- Genus:
- Corylus
- Species:
- Corylus colurna
- USDA Symbol:
- COCO30
Growth Characteristics
- Height:
- 2500 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- mar,apr
- Bloom Colors:
- yellow-brown
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★★ Butterfly & moth species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Fall Color:
- yellow
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- good drainage required
- Moisture:
- dry to moderate
- Notes:
- prefers calcareous soils in native range
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 30–90 days
- Notes:
- Seeds benefit from cold stratification for 2-3 months to break dormancy.