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Oriental Bittersweet

Celastrus orbiculatus

Last reviewed: June 2026

Oriental Bittersweet (Celastrus orbiculatus)
Photo: Wikimedia Commons (Public domain)

The USDA PLANTS Database (opens in new tab) does not flag Oriental Bittersweet as toxic to livestock.

Light

part sun

Water

medium

Size

60"–360" H × 60"–360" W

Bloom

May, Jun

Native to

AR

Pollinators

bees, beetles

Oriental bittersweet is a vigorous climbing vine that can reach impressive heights and spreads. It produces small greenish flowers in late spring followed by colorful orange berries in fall that persist into winter.

In an HOA neighborhood

Oriental Bittersweet takes more care to keep looking intentional in a front yard. Maintenance level: high. Consider it for backyard or mid-zone beds rather than the street edge.

  • Highly invasive species that outcompetes native plants
  • Can damage structures and trees with aggressive growth
  • Prohibited or restricted in many areas

Wildlife value

The flowers attract bees and beetles during bloom time. Birds are drawn to the bright orange berries in fall and winter.

Common questions

How much sun does Oriental Bittersweet need?
Oriental Bittersweet grows best in part sun conditions.
When does Oriental Bittersweet bloom?
Oriental Bittersweet blooms in May and June.
Where is Oriental Bittersweet native?
Oriental Bittersweet (Celastrus orbiculatus) is native to AR, per the USDA PLANTS Database and regional native plant society lists.
Is Oriental Bittersweet toxic to livestock?
The USDA PLANTS Database does not flag Oriental Bittersweet as toxic to livestock.
What pollinators does Oriental Bittersweet attract?
Oriental Bittersweet draws bees and beetles.
Is Oriental Bittersweet HOA-friendly?
Oriental Bittersweet takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Oriental Bittersweet? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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