Clerodendrum japonicum

Japanese Clerodendrum

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Aromatic deciduous shrub with fragrant white flowers turning pink/red, native to Japan and China, valued for ornamental foliage and blooms.
yard Outdoor plants wb_sunny Half-shade / Sun pets Not pet-safe
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Plant Details

Common Name Japanese Clerodendrum
Family Lamiaceae
Genus Clerodendrum
Species Japonicum
Origin Japan / China
Blooming Late summer to autumn, fragrant white flowers turning pink/red
Leaf Color Green
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly close No
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Care & Maintenance

terrain
Soil

Rich, well-draining loam mixed with perlite or coarse sand for aeration

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Watering

Keep soil consistently moist during active growth; reduce watering significantly in winter dormancy

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Sunlight & Care

Prefers bright indirect light to full sun; protect from harsh afternoon scorch in summer

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Fertilization

Apply balanced liquid fertilizer every 2 weeks during spring and summer growing season

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Pruning

Prune heavily in late winter or early spring to maintain shape and encourage vigorous flowering

Pest Control Aphid Spider Mite Thrip Whitefly

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 3 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
50° – 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)
2000 – 30000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1200 – 4500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
25% – 75%
% volumetric
Water content in the growing medium
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Soil EC
500 – 2500
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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