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The New York State Department of Conservation has passed new legislation prohibiting the planting and sale of invasive species.  The complete list can be found here. A permit system has been implemented to restrict the sale, purchase, possession, propagation, introduction, importation, and transport of invasive species throughout the state.

The Environmental Policy Clinic’s Plant and Wildlife Team has been seeking the prohibition of invasive species since its founding in 2014.  Since then, clinicians created a Consumer’s Guide outlining the native and invasive plants in the Hudson Valley and hosted a Native Plant Terrarium Building Workshop at Pace University to raise awareness about the problems associated with invasive plants.

Contact us at if you would like to receive copies of the guide. See below for photos of the newly prohibited invasive plant species.

Illegal Invasive Plants in New York State: 

  • Autumn Olive

Autumn Olive

  • Amur Honeysuckle

Amur Honeysuckle

  • Garlic Mustard

Garlic mustard

  • Giant Hogweed

Giant Hogweed

  • Japanese Angelica Tree

japanese angelica tree

  • Japanese Barberry

japanese barberry

  • Japanese Knotweed

japanese knotweed

  • Kudzu


  • Mile-a-Minute Weed

mile a minute

  • Mugwort


  • Multiflora Rose

multiflora rose

  • Porcelain Berry

porcelain berry

  • Purple Loosestrife

purple loosestrife

  • Wineberry