Styrax obassia

Japanese Snowbell

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Deciduous tree from East Asia with fragrant white spring flowers and yellow autumn foliage. Valued as ornamental specimen or bonsai.
yard Outdoor plants wb_sunny Shade / Half-shade pets Pet Friendly
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Plant Details

Common Name Japanese Snowbell
Family Styracaceae
Genus Styrax
Species Obassia
Origin Japan, China, Korea
Blooming Spring, fragrant white bell-shaped flowers
Leaf Color Green turning yellow and orange in autumn
Sunlight Shade / Half-shade
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

terrain
Soil

Well-drained acidic to neutral soil rich in organic matter and humus

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Watering

Regular watering during establishment; drought tolerant when mature but prefers consistent moisture without waterlogging

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Sunlight & Care

Full sun for best flowering and fall color, tolerates partial shade

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Fertilization

Apply balanced slow-release fertilizer in early spring before bud break

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Pruning

Minimal pruning required; remove dead wood and shape after flowering

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 10 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

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Temperature
23° – 95°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 75%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
2000 – 35000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1200 – 3800
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
25% – 65%
% 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 Styrax obassia? Select a symptom to diagnose and fix the issue.

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