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You are here: Home / Plants / Species Profiles / Mile-A-Minute Weed
Species Profiles

Mile-A-Minute Weed

Mile-A-Minute WeedScientific name: Persicaria perfoliata (L.) H. Gross (formerly known as Polygonum perfoliatum L.) (ITIS)

Common name: Mile-a-minute weed, Chinese tearthumb

Click image to enlarge

Selected Resources

Native To: Asia (Stone 2010)

Date of U.S. Introduction: 1930s (Stone 2010)

Means of Introduction: Introduced accidentally as a contaminant of nursery stock (Stone 2010)

Impact: Forms dense mats that crowd out native species (Stone 2010)

Current U.S. Distribution:



Selected Resources:

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Invasive Plant Atlas of New England (IPANE) - Mile-a-Minute Vine, Mile-a Minute Knotweed)
University of Georgia. Center for Invasive Species and Ecosystem Health.

Invasive Plant Atlas of the United States - Mile-A-Minute
University of Georgia. Center for Invasive Species and Ecosystem Health.

Fact Sheet: Mile-A-Minute Weed
Massachusetts Introduced Pests Outreach Project.

New York Invasive Species Information - Mile-A-Minute Weed
New York Invasive Species Clearinghouse.

Least Wanted: Alien Plant Invaders of Natural Areas Fact Sheet - Mile-A-Minute Weed
Plant Conservation Alliance. Alien Plant Working Group.

Invasive Species Compendium - Persicaria perfoliata
CAB International.

Global Invasive Species Database - Persicaria perfoliata (vine, climber)
IUCN. Species Survival Commission. Invasive Species Specialist Group.

Federal Government

U.S. National Plant Germplasm System - Persicaria perfoliata
USDA. ARS. National Genetic Resources Program. GRIN-Global.

Pest Alert: Mile-A-Minute
USDA. FS. Northeastern Area.

Fire Effects Information System (FEIS) - Polygonum perfoliatum
USDA. FS. Rocky Mountain Research Station. Fire Sciences Laboratory.

PLANTS Database - Asiatic Tearthumb
USDA. NRCS. National Plant Data Center.

State Government

Forest Pests: Invasive Plants and Insects of Maryland - Mile-a-Minute (Aug 2012; PDF | 584 KB)
Maryland Department of Natural Resources.
See also: Includes Invasive Plants and Insects Fact Sheets for additional species to help control invasive species in Maryland

Fact Sheet: Mile-a-Minute Vine (Polygonum perfoliatum) (2014; PDF | 206 KB)
New Hampshire Department of Agriculture, Markets, and Food. Division of Plant Industry.
See also: New Hampshire's Prohibited Invasive Plant Fact Sheets for additional invasive trees, shrubs, vines, and herbaceous plants

Invasive Plants in Pennsylvania: Mile-A-Minute (PDF | 151 KB)
Pennsylvania Department of Conservation and Natural Resources.
See also: Invasive Plants fact sheets (scroll to view) for plant species (trees, shrubs, vines, herbs and aquatic plants) that have impacted the state's natural lands

Mile-a-Minute Vine (Polygonum perfoliatum)
Wisconsin Department of Natural Resources.


Connecticut Mile-A-Minute Vine
University of Connecticut. Department of Plant Science and Landscape Architecture.

Biological Control of Mile-a-Minute Weed
University of Delaware. College of Agriculture & Natural Resources.

Maine Invasive Plants Bulletin: Mile-a-Minute Weed
University of Maine. Cooperative Extension.
See also: Maine Invasive Plants & Entire Series for entire series of 22 fact sheets and invasive plants brochure (available in HTML/PDF or for purchase)

Introduced Species Summary Project - Mile-a-Minute Weed
Columbia University. Center for Environmental Research and Conservation.

Invasive Plants and Insects: Mile-A-Minute
Pennsylvania State University. Cooperative Extension.

Invasive Plant Fact Sheet - Mile-a-minute (Nov 2011; PDF | 333 KB)
University of Pennsylvania. The Pennsylvania Flora Project of Morris Arboretum.
See also: Invasive Plant Fact Sheets for additional invasive plants in Pennsylvania


BioBullies - Mile-A-Minute
See also: Invasive Species Fact Sheets for the worst trouble-makers in the region, and also for additional trouble-makers for you to watch out for


Integrated Taxonomic Information System. Persicaria perfoliata. [Accessed Mar 19, 2015].

Stone, K.R. 2010. Polygonum perfoliatum. In: Fire Effects Information System. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory.

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Last Modified: Sep 28, 2016
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