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habitatmatters.org

Oriental bittersweet (Celastrus orbiculatus)
  • See MISIN species profile 
  • Introduced from East Asia to the United States in the late 1800s as an ornamental plant, formerly referred to as "Oriental bittersweet"
  • Learn more about ISN's efforts in invasive bittersweet treatment
​
Why is it a problem?
Invasive bittersweet is on the Top 12 list for Michigan’s northwest Lower Peninsula because it tends to strangle and replace native vegetation. Ecosystems dominated by oriental bittersweet alone, or in combination with other non-native species, can no longer provide critical food resources for wild creatures. Invasive bittersweet hybridizes with its cousin, American bittersweet, potentially threatening this native species to extinction.

 What does invasive bittersweet look like?
A vine, invasive bittersweet stands out because of its bright orange berries.  However, it can be more challenging to distinguish between its native relative, American bittersweet, especially when it hybridizes. The most reliable measure is that the native variety has fewer, larger berries at the end of each vine, in contrast with the photo of invasive bittersweet which produces smaller red seeds along each leaf axil.
 
How do I manage invasive bittersweet?
There are many gorgeous native alternative options for home landscapes to help reduce urban seed pressure on natural areas. Virginia creeper (Parthenocissus quinquefolia), pictured to the left, supports wild bird and butterfly populations, and also provides a fall color show. To remove existing populations, explore treatment options at the Michigan DNR’s invasive species webpage at Michigan.gov/invasivespecies.
​
Picture
Picture
Report Invasive Species
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Contact US

1450 Cass Road
Traverse City, Michigan 49685
-
(231)941 - 0960
Pleasant Peninsula Design, Habitat Matters 2017 
  • Home
  • About
    • About ISN & FAQs
    • Our Team
    • Our Partners
    • ISN Board of Directors
    • Employment
    • Enewsletter
    • Blog - Notes from ISN
    • Donate to ISN
  • Events
  • ID & Report
    • Top 12 Species
    • Early Detection Species
    • Awareness Species
    • Other Invasive Species >
      • Hemlock Woolly Adelgid
      • Aquatic Invasive Species
      • Lymantria Moths (gypsy moth)
    • ID and Reporting Tools
  • Resources
    • Videos
    • Education
    • Tool Library
    • Garlic Mustard Dumpsters
    • Planting Guide/Ordinance Templates
    • Requests For Bids
    • Treatment Information
    • Other Information
    • Native Plant Seeds
    • Invasive Species in the News >
      • ISN in the News
  • Go Beyond Beauty
    • Find Participants >
      • Nurseries/Garden Centers >
        • Bioconcentric Farms
        • Birdsfoot Native Nursery
        • Black Cap Farms
        • Bright Lane Gardens
        • Garden Goods
        • Greystone Gardens
        • Misty Ridge
        • Pine Hill
      • Landscapers/Professionals >
        • Cre Woodard
        • Cyman Gardens
        • Designs in Bloom
        • Greener Earth Landscaping
        • Heritage Landscape Design
        • Inhabitect, LLC
        • Lakeview Habitats
        • Laurel Voran, LLC
        • The Mossy Tree, LLC
        • Old Mission Associates
        • Inner-Coastal
        • Pine Hill
        • Silverman & Company
        • Sustainable Landscape Design, LLC
        • TruNorth Landscaping
        • Wildlife & Wetland Solutions
      • Community Participants
    • GBB Achievement Program
    • Register >
      • Registration Form (Garden Professional)
      • Registration Form (Individual or other org)
      • Start-up Materials
      • GBB Statewide Inquiries
    • Ornamental Invasive Species
    • Native Plant Species
    • Participant Signs
    • Japanese Barberry Trade-Up Day
    • GBB Resources
  • Contact