Numerous plants have been introduced to New Jersey in the last four hundred years, and many of them have become invasive species that compete with the natural plants and suppress their growth. Duke Farms identified 55 invasive species on its property and investigates methods to control them. Major invadors are:[1]

  • Norway maple
  • Tree-of-Heaven
  • Garlic Mustard
  • Japanese Angelica Tree
  • Japanese Barberry
  • Canada Thistle
  • Burning Bush
  • Japanese Honeysuckle
  • Japanese Stilt Grass
  • Lesser Celandine
  • Multiflora Rose
  • Porcelain Berry
  • Asian Bittersweet
  • Spotted Knapweed
  • Wild Teasel
  • Autumn Olive
  • Bush Honeysuckle
  • Purple Loosestrife
  • Japanese Knotweed
  • Common Buckthorn
  • Black Locust
  • Wineberry
  • Chinese Silvergrass