Acer sieboldianum

Siebold's Maple

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Small deciduous tree known for brilliant red autumn foliage and a delicate branching structure. Native to Japan and Korea, it is highly prized in bonsai and temperate gardens.
yard Outdoor plants wb_sunny Half-shade / Sun pets Pet Friendly
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Plant Details

Common Name Siebold's Maple
Family Sapindaceae
Genus Acer
Species Sieboldianum
Origin Japan / Korea
Blooming Small greenish flowers in spring; primarily grown for foliage.
Leaf Color Green, turning to vivid red or orange in autumn.
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

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Soil

Rich, well-draining loamy soil with organic matter. Slightly acidic pH preferred.

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Watering

Keep soil consistently moist but not waterlogged during growing season. Reduce in winter dormancy.

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Sunlight & Care

Prefers morning sun and afternoon shade; intense heat can scorch leaves.

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Fertilization

Apply balanced slow-release fertilizer in early spring before growth starts.

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Pruning

Prune dead or crossing branches in late winter/early spring to maintain shape; avoid heavy pruning after sap flow begins.

Pest Control Aphid Scale Insect Spider Mite

These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.

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Seasonal Periods

local_florist Flowering Period 2 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 8 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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Growing Parameters

thermostat
Temperature
23° – 86°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 80%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
1500 – 25000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
150 – 2500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
25% – 60%
% volumetric
Water content in the growing medium
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Soil EC
300 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)
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Common Problems

Something wrong with your Acer sieboldianum? Select a symptom to diagnose and fix the issue.

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