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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Horticulturist's Insider Field Notes (No AI Fluff)

The Golden 'Finger Test' Rule

Never water on a strict calendar. Stick your index finger 2 inches into the soil. If it feels cool and damp, wait 2–3 days. If bone dry, water thoroughly until it drains from the bottom holes.

Empty the Saucer After 20 Minutes

The #1 houseplant killer is water sitting in the catch tray. Stagnant runoff water starves roots of oxygen and causes root rot.

Turn the Pot Every 2 Weeks

Houseplants naturally lean toward the nearest window light. Give the pot a quarter-turn biweekly to maintain balanced, symmetrical architecture.

Wipe the Dust Away

Dust on leaves acts like a heavy sunshade. Gently wipe broad foliage with a damp cloth monthly to maximize photosynthesis and air purification.

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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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Pet & Human Toxicity & Emergency Guide

🟢 Pet-Safe (Non-Toxic to Cats & Dogs)

Pet Safety Verified: According to clinical veterinary databases (ASPCA), Hyrcanian Maple (Acer hyrcanum) is non-toxic to both cats and dogs, making it an excellent choice for pet-friendly homes.

Pet Tolerance

Leaves, stems, and flowers contain no systemic toxins or hazardous oxalates; safe for curious puppies and kittens.

Mild Fiber Sensitivity

While non-toxic, excessive consumption of fibrous leaves may cause mild, temporary stomach upset or regurgitation.

Recommended Placement

Safe for low tables, living rooms, and active pet environments.

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Troubleshooting & Common Plant Problems

Quick diagnostic guide for common care issues affecting Hyrcanian Maple (Acer hyrcanum):

Yellowing Leaves

Most commonly caused by overwatering or poor drainage. Ensure topsoil dries out between waterings and check for root ventilation.

Brown or Crispy Leaf Tips

Low ambient humidity, hard tap water minerals, or direct midday sunburn. Increase humidity and use filtered water.

Drooping or Wilting Foliage

Indicates dehydration or root damage from prolonged waterlogging. Inspect soil moisture and root firmness.

Common Pests (Spider Mites, Aphids)

Dry indoor air encourages pests. Wipe leaves with a damp cloth and treat with insecticidal soap or neem oil.

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Propagation & Repotting Guide

  • Taking Cuttings: During active spring or summer growth, take a healthy 4–6 inch cutting just below a node using clean shears.
  • Rooting Medium: Place cuttings in fresh water or moist perlite mix in bright, indirect light; refresh water weekly.
  • Potting Up: Transplant into well-draining potting mix once roots reach 2 inches in length (typically 3–5 weeks).
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Seasonal Care Calendar

  • Spring & Summer (Active Growth): Water thoroughly as topsoil dries; apply diluted balanced fertilizer monthly; encourage steady growth.
  • Autumn (Transition): Gradually reduce watering frequency as daylight hours shorten; discontinue fertilization.
  • Winter (Dormancy): Water sparingly only when soil is mostly dry; protect from cold window drafts; keep in warm room.
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Frequently Asked Questions

How often should I water my Hyrcanian Maple?

Water thoroughly when the top 1–2 inches of soil feel dry. In active growth (spring/summer), water every 1–2 weeks; reduce significantly in winter.

Where is the best indoor location for Hyrcanian Maple?

Position in bright, filtered indirect light (e.g., near an east or south-facing window with sheer curtains). Avoid harsh direct midday sun.

Is Hyrcanian Maple toxic to pets?

ASPCA: Non-toxic to cats; no reported toxicity

When should I repot my Hyrcanian Maple?

Repot every 1–2 years in spring when roots outgrow the drainage holes or the soil depletes nutrients.

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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

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