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You are here: Home / Plants / Species Profiles / Oriental bittersweet
Species Profiles

Oriental Bittersweet

Oriental bittersweet - Invasive.orgScientific name: Celastrus orbiculatus Thunb. (ITIS)

Common names: Oriental bittersweet, Asiatic bittersweet, round-leaved bittersweet, Oriental staff vine, climbing spindle berry

Click image to enlarge

Selected Resources

Native To: Eastern Asia (Fryer 2011)

Date of U.S. Introduction: 1860s (Fryer 2011)

Means of Introduction: Introduced as an ornamental and for erosion control (Fryer 2011)

Impact: Grows as a vine that smothers plants and uproots trees due to its weight (Fryer 2011)

Current U.S. Distribution: Northeastern and Midwestern U.S.


Selected Resources:

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Invasive Plants of Ohio: Fact Sheet 9 - Japanese Honeysuckle & Asian Bittersweet (PDF | 214 KB)
Ohio Invasive Plants Council.
Included as one of the worst invasive plant species in Ohio's natural areas; for others see Invasive Plants of Ohio.

Southeast Exotic Pest Plant Council Invasive Plant Manual - Oriental Bittersweet
Southeast Exotic Pest Plant Council.


Invasive Plant Atlas of New England (IPANE) - Oriental bittersweet
University of Georgia. Center for Invasive Species and Ecosystem Health.

Invasive Plant Atlas of the United States - Oriental bittersweet
University of Georgia. Center for Invasive Species and Ecosystem Health.

Invasive Species Compendium - Celastrus orbiculatus
CAB International.

Global Invasive Species Database - Celastrus orbiculatus (vine, climber)
IUCN. Species Survival Commission. Invasive Species Specialist Group.


Germplasm Resources Information Network (GRIN) - Celastrus orbiculatus
USDA. ARS. National Genetic Resources Program.

Oriental Bittersweet - Invasive Plants of Asian Origin Established in the United States and Their Natural Enemies (2004; PDF | 535 KB)
USDA. Forest Service.

Fire Effects Information System (FEIS) - Celastrus orbiculatus
USDA. FS. Rocky Mountain Research Station. Fire Sciences Laboratory.

PLANTS Database - Oriental Bittersweet
USDA. NRCS. National Plant Data Center.


Invasive Plant Species Fact Sheet: Oriental Bittersweet (PDF | 695 KB)
Indiana Department of Natural Resources. Invasive Plant Species Assessment Working Group.
See also: Species Assessments

Invasive Plants and Insects of Maryland - Oriental Bittersweet (Aug 2012; PDF | 242 KB)
Maryland Department of Natural Resources. Forest Service.

Invasive Species Best Control Practices - Oriental Bittersweet (2012; PDF | 1.59 MB)
Michigan Department of Natural Resources. Michigan Natural Features Inventory.

Invasive Species Leaflet - Celastrus orbiculatus (Oriental Bittersweet) (2010; PDF | 215 KB)
North Carolina Department of Agriculture and Consumer Services. Forest Service.

Invasive Plants in Pennsylvania: Oriental Bittersweet (PDF | 690 KB)
Pennsylvania Department of Conservation and Natural Resources.

Invasive Plants and Insects: Oriental Bittersweet
Pennsylvania State University. Cooperative Extension.

Oriental Bittersweet (Celastrus orbiculatus)
Wisconsin Department of Natural Resources.


Maine Invasive Plants Bulletin: Asiatic Bittersweet
University of Maine. Cooperative Extension.
See also: Maine Invasive Plants & Entire Series for entire series of 22 fact sheets and invasive plants brochure (available in HTML/PDF or for purchase)

Introduced Species Summary Project - Oriental Bittersweet
Columbia University. Center for Environmental Research and Conservation.

Invasive, Exotic Plants of the Southeast - Oriental Bittersweet
North Carolina State University. Cooperative Extension. Going Native: Urban Landscaping for Wildlife with Native Plants.

Oriental Bittersweet (PDF | 90 KB)
University of Pennsylvania. Morris Arboretum.


Asian Bittersweet - New Invasive Plants of the Midwest Fact Sheet (PDF | 217 KB)
Midwest Invasive Plant Network.

Biobullies - Oriental Bittersweet (PDF | 739 KB)
Natural Biodiversity (Western Pennsylvania).

Oriental Bittersweet
Plant Conservation Alliance. Alien Plant Working Group.


Fryer, J.L. 2011. Celastrus orbiculatus. In: Fire Effects Information System. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory.

Integrated Taxonomic Information System. Celastrus orbiculatus. [Accessed Sep 10, 2014].

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Last Modified: Jun 16, 2016
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