Cornus officinalis

Japanese Cornel

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Deciduous shrub prized for red stems and medicinal berries. Native to East Asia, blooms early spring with yellowish flowers before leaves emerge.
yard Outdoor plants wb_sunny Half-shade / Sun pets Not pet-safe
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Plant Details

Common Name Japanese Cornel
Family Cornaceae
Genus Cornus
Species Officinalis
Origin China, Korea, Japan
Blooming Early spring (Mar-Apr), small yellowish-white flowers
Leaf Color Emerald green turning red/purple in autumn
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Rich, well-drained loam, slightly acidic to neutral pH 6.0-7.5

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Watering

Regular watering during establishment and dry spells, drought tolerant once mature

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Sunlight & Care

Full sun for best color and flowering, tolerates partial shade in hot climates

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Fertilization

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

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Pruning

Prune after flowering to shape or remove dead wood; rejuvenate by cutting stems near ground every few years

Pest Control Aphid Powdery Mildew 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
agriculture Harvesting 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
14° – 86°
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 – 50000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
400 – 2500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
25% – 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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