Beaked Hazelnut (Corylus cornuta)

Beaked Hazelnut

Corylus cornuta

Its fuzzy beaked husks cradle edible nuts, a quiet woodland staple. Deciduous shrub or small tree; common name: beaked hazelnut.

Partial sun
1–2/week
Beginner
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Plant Needs

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Sunlight Partial sun to full shade; tolerates dappled woodland light; avoid intense midday sun in hot regions
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Watering Water deeply when top 5 cm of soil is dry; drought-tolerant once established
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Temperature Hardy to extreme cold; withstands winter temperatures as low as -40°C; prefers cool to temperate summers
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Characteristics

  • Leaf: Oval to heart-shaped, doubly serrated margins, fuzzy undersides, 5–12 cm long
  • Flower: Male catkins are long, yellow-brown, pre-foliation bloom; female flowers are tiny red stigmas
  • Fruit: Edible nuts enclosed in a tubular, beaked husk extending beyond the nut shell
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Care Guide

Watering

Keep soil evenly moist during active growing season

Fertilization

Light, balanced feed once in early spring. Use diluted, organic feed to support nut production without excessive foliage growth

Eggshell powder topdress:Crush dried eggshells into fine powder; spread 1 cm layer around base; avoid direct contact with stems to prevent irritation
Pruning
  • Thin crowded branches in late winter to improve airflow and nut production
  • Remove dead or damaged wood annually to maintain plant health
  • Shape to desired size in early spring before new growth emerges
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats

Humans: Non-toxic; edible nuts are safe for human consumption

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Garden Uses & Culture

Culture: N/A

Usage: Edible nuts for human consumption; wildlife food for birds and small mammals