Common Filbert
Corylus avellana
- Native to:
- Albania, Austria, Baltic States, Belarus, Belgium, Bulgaria, Corse, Czechia-Slovakia, Denmark, East Aegean Is., Finland, Føroyar, France, Germany, Great Britain, Greece, Hungary, Ireland, Italy, Krym, Netherlands, North Caucasus, Norway, NW. Balkan Pen., Poland, Portugal, Romania, Russia, Sardegna, Sicilia, Spain, Sweden, Switzerland, Transcaucasus, Türkiye, Ukraine
Ivar Leidus
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Betulaceae
- Genus:
- Corylus
- Species:
- Corylus avellana
- USDA Symbol:
- COAV80
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 800 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- Medium
- Bloom Months:
- feb,mar,apr
- Bloom Colors:
- yellow (male catkins), red (female flowers)
- Food Forest:
- Contains edible parts
- Landscaping Shrub:
- Yes
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★★★★★ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★★☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★★ Butterfly & moth species supported by this genus (NWF)
Host Plant for Caterpillars
Cecropia moth (Hyalophora cecropia), Filbertworm (Cydia latiferreana), Io moth (Automeris io), lesser cornstalk borer (Elasmopalpus lignosellus), Pink-striped oakworm moth (Anisota virginiensis), Regal Moth (Citheronia regalis), spotted oakworm moth (Anisota stigma), Yellownecked caterpillar (Datana ministra)
Reported Fauna Sightings
Moths:Stigmella microtheriella
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals, squirrels
- Fall Color:
- yellow
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- good drainage preferred
- Moisture:
- consistently moist
- Notes:
- prefers fertile soils with organic matter
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 30–90 days
- Notes:
- Seeds require cold stratification for 2-3 months to break dormancy.
ORGHPS Germination Guide: Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard water and any seeds that remain floating. * 20° x 2 weeks - 4° x 3 months - 20° x 1-6m
Where to Buy
Nationwide Seller
- Sheffield's Seed (seeds)