Ilex serrata

Japanese Holly

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Deciduous shrub with serrated leaves and vibrant red berries in autumn/winter. Native to East Asia, prized for winter interest and bonsai cultivation.
yard Outdoor plants wb_sunny Half-shade / Sun pets Not pet-safe
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Plant Details

Common Name Japanese Holly
Family Aquifoliaceae
Genus Ilex
Species Serrata
Origin Japan / Korea
Blooming Small white flowers in late spring, followed by red berries on female plants
Leaf Color Dark green turning yellow before drop
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Acidic, well-draining peat mix or loamy soil with high organic content

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Watering

Keep moist during growing season. Reduce watering significantly in winter to induce dormancy. Do not let dry out completely.

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Sunlight & Care

Prefers full sun for best berry production, tolerates partial shade. Needs cold dormancy.

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Fertilization

Apply balanced fertilizer monthly from April to August. Stop feeding before dormancy sets in

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Pruning

Prune after flowering or in late winter to shape; remove dead wood and thin for air circulation

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

Growing Parameters

thermostat
Temperature
5° – 86°
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)
2000 – 35000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1800 – 4000
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
20% – 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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