Carpinus japonica

Japanese Hornbeam

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Deciduous ornamental tree known for smooth grey bark and vibrant autumn foliage. Native to East Asia, valued for landscape structure and seasonal color transitions in temperate climates.
yard Outdoor plants wb_sunny Half-shade / Sun pets Pet Friendly
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Plant Details

Common Name Japanese Hornbeam
Family Betulaceae
Genus Carpinus
Species Japonica
Origin Japan
Blooming Small inconspicuous catkins in spring, grown primarily for foliage and bark.
Leaf Color Green turning orange-red in autumn
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

terrain
Soil

Rich, moist but well-drained soil. Tolerates clay and loam.

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Watering

Regular watering during establishment and dry spells; drought tolerant once established.

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Sunlight & Care

Prefers full sun for best autumn color, tolerates partial shade in hotter climates.

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Fertilization

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

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Pruning

Prune in late winter or early spring to shape and remove dead wood, avoid heavy pruning.

Pest Control Aphid Caterpillar Leaf Miner 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 8 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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Growing Parameters

thermostat
Temperature
10° – 100°
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)
3000 – 60000
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
300 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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