Oriental Bittersweet

Celastrus orbiculatus

Native to:
China, Japan, Korea, Kuril Is., Russia

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Celastraceae
Genus:
Celastrus
Species:
Celastrus orbiculatus
USDA Symbol:
CEOR7

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Vine
Height:
1200 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
may,jun
Bloom Colors:
green, white

Reported Fauna Sightings

Bees: ⚠️Western honey bee (Apis mellifera)

Garden & Ecology Notes

Wildlife Value:
birds
Deer Resistant:
Yes
Salt Tolerant:
Yes
Fall Color:
yellow
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from roots after fire or cutting, which can increase spread.

Soil Requirements

Soil Type:
fertile, well-drained loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
native to forest edges and thickets

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
14–60 days
Notes:
Seeds require cold stratification. Light may improve germination rates.

The above propagation data sourced from Claude AI