Eastern Hophornbeam (Ostrya virginiana)

Eastern Hophornbeam

Ostrya virginiana

Its textured bark and hop-like fruits bring woodland quiet to gardens. Deciduous hardwood tree; common name: Eastern Ironwood.

Partial sun
1–2/week
Moderate
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Plant Needs

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Sunlight Full sun to partial shade; tolerant of dry shade once established
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Watering Water deeply during dry spells; drought-tolerant once mature
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Temperature Hardy to -30°C; adapts to temperate continental climates; avoid prolonged extreme heat
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Characteristics

  • Leaf: Ovate, doubly serrated edges, dark green above, pale pubescent below; 5–12 cm long
  • Flower: Monoecious; male catkins droop, female catkins are small, upright clusters
  • Fruit: Hop-like papery bracts enclosing small nutlets, persistent into autumn
  • Bark: Shaggy, peeling strips of gray-brown bark
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Care Guide

Watering

Water young trees weekly during dry periods; mature trees need occasional deep watering

Fertilization

Apply balanced slow-release fertilizer once in early spring. Avoid over-fertilization to prevent excessive foliage growth

Composted leaf mold:Top-dress soil in early spring; mix into top 5 cm of soil to improve structure and moisture retention
Pruning
  • Remove dead, damaged, or crossing branches in late winter
  • Thin dense crown to improve air circulation and light penetration
  • Avoid heavy pruning; maintain natural rounded form
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: No known toxicity to cats

Humans: No known toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental shade tree; dense wood used for tool handles and small crafts