Oliver's Maple (Acer oliverianum)

Oliver's Maple

Acer oliverianum

Its delicate palmate leaves turn fiery red in autumn, a quiet seasonal spectacle. Deciduous small tree; common name: Oliver's Maple.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Full to partial sun; requires 4+ hours of daily sunlight for vibrant fall foliage; tolerates light shade
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Watering Water deeply when the top 5 cm of soil dries out; avoid standing water to prevent root rot
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Temperature Hardy to -10°C; thrives in temperate climates; avoid prolonged extreme heat above 38°C
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Characteristics

  • Leaf: Palmate, 5-lobed, bright green with serrated margins; turns vivid red/orange in fall
  • Flower: Small yellow-green umbel clusters; blooms before full leaf emergence
  • Stem/Bark: Smooth gray-brown bark in youth; develops shallow fissures as it matures
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Care Guide

Watering

Keep soil consistently moist during active growth; apply mulch to retain soil moisture

Fertilization

Diluted balanced granular feed once monthly. Use low-nitrogen feed to promote healthy foliage and fall color

Banana peel compost tea:Compost banana peels for 2–3 weeks, steep in water for 24 hours, dilute 1:20 for root drench; avoid raw peels to prevent pest attraction
Pruning
  • Remove dead, damaged, or crossing branches in late winter to maintain canopy structure
  • Thin crowded inner branches to improve airflow and light penetration
  • Avoid heavy pruning; only trim to shape or remove diseased growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-verified non-toxic to cats; no reported toxicity

Humans: Non-toxic to humans; no known adverse health effects

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Garden Uses & Culture

Culture: Symbolizes seasonal transition and natural beauty in temperate garden landscapes

Usage: Ornamental shade tree for parks, residential yards, and street planting