Japanese Larch (Larix kaempferi)

Japanese Larch

Larix kaempferi

Its golden autumn foliage glows like sunlight captured in needles. Deciduous coniferous tree; common name: Japanese Larch.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Requires full sun for dense foliage and healthy cone production; tolerates partial shade but may develop sparse growth
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Watering Water deeply during prolonged dry spells; drought-tolerant once established, avoid waterlogged soil
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Temperature Extremely cold-hardy, withstanding temperatures as low as -30°C; prefers cool temperate climates with distinct seasons
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Characteristics

  • Leaf: Soft, bright green needle-like leaves (2–3 cm long) that turn golden yellow in autumn before shedding
  • Cones: Ovoid female cones (2–3 cm long), purple when young, maturing to dark brown
  • Stem/Bark: Smooth pale brown young stems; mature bark becomes fissured and dark gray
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Care Guide

Watering

Water regularly during active growth to keep soil slightly moist

Fertilization

Apply balanced slow-release fertilizer once in early spring. Use fertilizer with low nitrogen to promote cone development

Eggshell powder topdressing:Crush dried eggshells into fine powder; sprinkle lightly around the tree base and water in to release nutrients
Pruning
  • Remove dead, damaged, or crossing branches in late winter to maintain structural health
  • Thin crowded branches to improve air circulation and light penetration
  • Shape lightly in early spring to preserve the tree's natural pyramidal form
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirms no toxicity to cats

Humans: No known toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental tree for parks and large gardens; source of durable timber for construction