Hornbeam Maple (Acer carpinifolium)

Hornbeam Maple

Acer carpinifolium

Its hornbeam-like leaves bring woodland elegance to gardens. Deciduous small tree; common name: Hornbeam Maple.

Partial sun
1–2/week
Moderate
🌱

Plant Needs

☀️
Sunlight Prefers full sun to partial shade; tolerates dappled woodland light and avoids scorching midday sun
💧
Watering Water deeply when the top 5 cm of soil is dry; avoid waterlogging to prevent root rot
🌡️
Temperature Hardy to -15°C; thrives in cool temperate climates and avoids prolonged extreme heat above 28°C
🔍

Characteristics

  • Leaf: Ovate to oblong, double-serrated margins, dark green turning yellow-orange in autumn
  • Flower: Small, yellow-green, clustered in pendulous racemes
  • Stem/Bark: Smooth grey-brown bark; young stems have fine hairs
🛠️

Care Guide

Watering

Water regularly during dry spells to maintain consistent soil moisture

Fertilization

Apply balanced slow-release fertilizer once in early spring. Use a fertilizer with equal nitrogen, phosphorus, and potassium to support healthy foliage and root growth

Eggshell powder topdress:Crush dried eggshells into fine powder; sprinkle lightly on the soil surface and gently work into the top 2 cm to avoid disturbing roots
Pruning
  • Remove dead, damaged, or crossing branches in late winter before new growth emerges
  • Thin crowded inner branches to improve air circulation and light penetration
  • Shape lightly after flowering to maintain a rounded, compact form; avoid heavy pruning of mature stems
⚠️

Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no reported toxicity

Humans: Non-toxic to humans; no known adverse effects from ingestion or contact

📖

Garden Uses & Culture

Culture: N/A

Usage: Ornamental garden tree; valued for its unique foliage and autumn color display