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Identify some invasive plants of the North Country

Here are some of the common invasive plant species in New Hampshire.

 

Click on the name for more information, including photos:

Japanese Knotweed (Reynoutria japonica)

Common Reed (Phragmites australis)

Garlic Mustard (Alliaria petiolate)

Oriental (Round Leaf) Bittersweet (Celastrus orbiculatus)

Spotted Knapweed (Centaurea stoebe)

Mile-a-minute vine (Persicaria perfoliata)

Multiflora Rose (Rosa multiflora)

Purple Loosestrife (Lythrum salicaria)

This link will take you to the complete list of invasive plant species in New Hampshire:

https://www.agriculture.nh.gov/publications-forms/documents/nh-invasive-plant-list.pdf

The State of New Hampshire has also published a handy little booklet called New Hampshire Guide to Upland Invasive Species. You can find it at: https://www.agriculture.nh.gov/publications-forms/documents/upland-invasive-species.pdf

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