Stewartia pteropetiolata

Japanese Stewartia

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Deciduous ornamental tree with camellia-like flowers, native to East Asia. Cultivated for spring blooms and autumn foliage color.
yard Outdoor plants wb_sunny Half-shade / Sun pets Pet Friendly
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Plant Details

Common Name Japanese Stewartia
Family Theaceae
Genus Stewartia
Species Pteropetiolata
Variety pteropetiolata (taxonomic uncertainty)
Origin East Asia (Japan, Korea)
Blooming Late spring to early summer, May-June
Leaf Color Emerald green turning orange-red in autumn
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly check Yes
yard

Care & Maintenance

terrain
Soil

Acidic, well-draining loam with organic matter. Slightly acidic pH (5.5-6.5)

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Watering

Regular watering during growing season. Keep soil consistently moist but not waterlogged

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Sunlight & Care

Morning sun with afternoon shade in hot climates. Protect from harsh midday heat.

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Fertilization

Apply balanced slow-release fertilizer in spring before flowering

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Pruning

Minimal pruning required after flowering. Remove dead or damaged branches

Pest Control Aphid Mealybug Powdery Mildew Scale Insect

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

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)
4000 – 12000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
800 – 2500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
25% – 70%
% volumetric
Water content in the growing medium
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Soil EC
300 – 1500
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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