Hyrcanian Maple (Acer hyrcanum)

Hyrcanian Maple

Acer hyrcanum

Its lobed leaves glow gold in autumn, a quiet woodland treasure. Deciduous tree; common name: Hyrcanian Maple.

Partial sun
1–2/week
Moderate
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Plant Needs

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Sunlight Full sun to partial shade; tolerates dappled woodland light; avoids prolonged extreme midday sun in hot regions
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Watering Water deeply during dry spells; allow top 5–10 cm of soil to dry between waterings to prevent root rot
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Temperature Hardy to -15°C; withstands temperate summer heat up to 30°C; avoids sudden frost damage in late spring
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Characteristics

  • Leaf: Palmate, 5-lobed, dark green in summer turning golden-yellow in autumn
  • Flower: Small, yellow-green, clustered in drooping racemes before foliage appears
  • Stem/Bark: Smooth grey bark when young, becoming fissured and textured with age
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Care Guide

Watering

Keep soil evenly moist during active growth; avoid waterlogging

Fertilization

Apply balanced slow-release fertilizer once. Use organic compost as a low-nutrient alternative to synthetic fertilizers

Banana peel compost tea:Compost banana peels for 2 weeks, steep in water for 24 hours, dilute 1:20 for root drench to support autumn foliage color
Pruning
  • Remove dead, damaged, or crossing branches in late winter to maintain canopy shape
  • Thin dense inner growth to improve air circulation and light penetration
  • Avoid heavy pruning in spring, as maples may bleed sap excessively during active growth
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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

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Garden Uses & Culture

Culture: Symbolizes resilience and seasonal beauty in temperate woodland landscapes

Usage: Ornamental shade tree for gardens; valued for vibrant autumn foliage