Quercus variabilis

Chinese Cork Oak

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Deciduous tree from East Asia with corky bark. Large size unsuitable indoors; requires full sun, winter dormancy, and deep soil drainage for optimal growth health.
yard Outdoor plants wb_sunny Sun pets Not pet-safe
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Plant Details

Common Name Chinese Cork Oak
Family Fagaceae
Genus Quercus
Species Variabilis
Origin China
Blooming Spring catkins, inconspicuous flowers
Leaf Color Green turning yellow-brown in autumn
Sunlight Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Well-drained loamy soil, tolerates various pH levels including slightly acidic to alkaline.

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Watering

Moderate watering during establishment phase. Drought tolerant once mature but prefers regular moisture in summer.

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Sunlight & Care

Full sun required for optimal growth and leaf density; shade causes leggy growth.

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Fertilization

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

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Pruning

Prune in late winter or dormancy to shape tree and remove deadwood safely.

Pest Control Aphid Gall Wasp Oak Leafroller 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 10 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
5° – 100°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
20% – 90%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
2000 – 60000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
10 – 50
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 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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