Japanese honeysuckle

Dipsacales > Caprifoliaceae > Lonicera japonica Thunb.
Synonym(s): Chinese honeysuckle

Japanese honeysuckle is an evergreen to semi-evergreen vine that can be found either trailing or climbing to over 80 ft. (24 m) in length. Leaves are opposite, sessile, pubescent, oval and 1 to 2.5 in. (2.5-6.4 cm) long. Flowering occurs from April to July, when showy, fragrant, tubular, whitish-pink to yellow flowers develop in the axils of the leaves. Fruits develop in the fall and are small, shiny black berries. Japanese honeysuckle invades a variety of habitats including forest floors, canopies, roadsides, wetlands, and disturbed areas. Japanese honeysuckle can girdle small saplings by twining around them, and it can form dense mats in the canopies of trees, shading everything below. A native of eastern Asia, it was first introduced into North America in 1806 in Long Island, NY. Japanese honeysuckle has been planted widely throughout the United States as an ornamental, for erosion control, and for wildlife habitat.


Identification, Biology, Control and Management Resources

  • Weeds of the Week - USDA Forest Service, Northeastern Area, Forest Health Protection

Selected Images from Invasive.org

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Foliage; Spring foliage with wavy margins
Ted Bodner, Southern Weed Science Society, Bugwood.org
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Foliage; Top and bottom (silvery) in May
James H. Miller, USDA Forest Service, Bugwood.org
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Foliage; Flowers and foliage
Chuck Bargeron, University of Georgia, Bugwood.org
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Flower(s);
Chuck Bargeron, University of Georgia, Bugwood.org
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Flower(s);
Troy Evans, , Bugwood.org
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Flower(s);
Chuck Bargeron, University of Georgia, Bugwood.org
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Plant(s);
Tom Heutte, USDA Forest Service, Bugwood.org
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Twig(s)/Shoot(s); September
James H. Miller, USDA Forest Service, Bugwood.org
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Fruit(s); Immature fruit
Chuck Bargeron, University of Georgia, Bugwood.org
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Fruit(s); October
Ted Bodner, Southern Weed Science Society, Bugwood.org
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Plant(s); in flower
Chris Evans, River to River CWMA, Bugwood.org
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Plant(s);
Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org
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Infestation; vines
Chuck Bargeron, University of Georgia, Bugwood.org
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Infestation;
Chuck Bargeron, University of Georgia, Bugwood.org
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Infestation;
Chuck Bargeron, University of Georgia, Bugwood.org
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Infestation;
Chuck Bargeron, University of Georgia, Bugwood.org
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Diagram or Graphic; USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service.
USDA PLANTS Database, USDA NRCS PLANTS Database, Bugwood.org
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Diagram or Graphic; Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 3: 280.
USDA PLANTS Database, USDA NRCS PLANTS Database, Bugwood.org
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Invasive Reference(s):

Check Invasive.org for most current lists.
  • Alabama - IPC List
  • Connecticut - Noxious Weed Law
  • Florida - EPPC list
  • Georgia - EPPC list
  • Kentucky - EPPC List
  • Massachusetts - Noxious Weed Law
  • Mississippi - 10 Worst Invasive Weeds
  • New Hampshire - Noxious Weed Law
  • Rhode Island - Noxious Weed Law
  • South Carolina - EPPC List
  • Tennessee - EPPC List
  • Texas - Invasive Plant List
  • Vermont - Noxious Weed Law
  • Virginia - Invasive Alien Plant Species
  • Mid-Atlantic - EPPC List
  • Invasive Plants: Guide to Identification and the Impacts and Control of Common North American Species
  • Invasive Plants of the Upper Midwest
  • Invasive Plant Atlas of New England
  • Invasive Plant Atlas of the Mid-South


External Links


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