Pterostyrax psilophyllus

Silky Pterostyrax

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Deciduous shrub/small tree with fragrant white flowers, native to East Asia. Requires winter dormancy and cold exposure for best health.
yard Outdoor plants wb_sunny Half-shade / Sun pets Pet Friendly
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Plant Details

Common Name Silky Pterostyrax
Family Styracaceae
Genus Pterostyrax
Species Psilophyllus
Origin China, Korea, Japan
Blooming Spring to early summer, fragrant white corymbs
Leaf Color Green turning yellow/orange in autumn
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

terrain
Soil

Well-drained loamy soil, slightly acidic to neutral pH (6.0-7.5)

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Watering

Regular watering during active growth. Reduce significantly during winter dormancy to prevent root rot

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Sunlight & Care

Full sun for best flowering and autumn color; partial shade in hot climates prevents leaf scorch

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Fertilization

Apply balanced slow-release fertilizer in early spring before new growth emerges. Avoid high nitrogen late summer

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Pruning

Prune lightly after flowering to shape; remove dead or diseased wood in late winter while dormant

Pest Control Aphid Caterpillar 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
thermostat

Growing Parameters

thermostat
Temperature
41° – 82°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 70%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
3000 – 20000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1000 – 2500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
30% – 65%
% volumetric
Water content in the growing medium
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Soil EC
350 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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