Celastrus orbiculatus

Oriental Bittersweet

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Deciduous woody vine or shrub featuring bright orange fruit capsules in autumn, native to East Asia. Vigorous growth suitable for trellises or hedges.
yard Kitchen garden plants wb_sunny Half-shade / Sun pets Not pet-safe
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Plant Details

Common Name Oriental Bittersweet
Family Celastraceae
Genus Celastrus
Species Orbiculatus
Origin China, Japan, Korea
Blooming Small greenish-yellow flowers in late spring to early summer.
Leaf Color Dark green turning yellow/orange in autumn.
Sunlight Half-shade / Sun
Category Kitchen garden plants
Pet Friendly close No
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Care & Maintenance

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Soil

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

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Watering

Keep soil moist but not waterlogged during growing season. Drought tolerant once established in ground.

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Sunlight & Care

Prefers full sun for best color and fruiting, tolerates partial shade but growth may be slower.

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Fertilization

Apply balanced slow-release fertilizer in spring before new growth begins to support vigorous climbing.

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Pruning

Prune after flowering to control size and shape, remove dead wood in late winter dormancy.

Pest Control Aphid Japanese Beetle 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 3 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 12 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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Growing Parameters

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Temperature
41° – 95°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
25% – 80%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
1500 – 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
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Soil Moisture
20% – 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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