Persicaria Species, Asiatic Tear Thumb, Mile-a-Minute Weed

Persicariaperfoliata

Genus
Persicaria (per-sih-KAR-ee-uh)
Species
perfoliata (per-foh-lee-AY-tuh)
Synonym
Polygonum perfoliatum
Truellum perfoliatum
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
Height
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)
Spacing
24-36 in. (60-90 cm)
Hardiness
Not Applicable
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Chartreuse (yellow-green)
Bloom Time
Late Spring/Early Summer
Mid Summer
Other Details
Category
Annuals
Vines and Climbers
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Brookeville, Maryland

Crofton, Maryland

Pasadena, Maryland

Malvern, Pennsylvania

Millersburg, Pennsylvania

West Chester, Pennsylvania

New Haven, Vermont

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Gardener's Notes:

0
positive
2
neutrals
7
negatives
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J
Toronto, ON (Zone 6a) | April 2016 | neutral

It is actually a tropical tender perennial vine. Unpleasant to touch because of the sharp spines. Handle with caution!

...Read More

R
Downingtown, PA | July 2015 | negative

Horrible noxious annual weed from eastern Asia that grows like crazy when it is warm or hot, growing over everything around it. Easy to p...Read More

F
Pitman, NJ | June 2012 | negative

Here's an article about Mile-A-Minute Weed as reported in the Upper Delaware River area. BAD NEWS! ...Read More

A
Seattle, WA | May 2009 | negative

Please do not plant invasive exotics. They are a major ecological problem for native species.

M
Bellingham, WA | October 2008 | neutral

I'd gladly pay for some of this to be mailed to me. If you are infested with this, by all means, dig some up, stuff it in a box, and rec...Read More

G
Crofton, MD (Zone 7a) | February 2007 | negative

This nasty weed was nowhere to be seen when I first moved here. Now it is everywhere. It chokes out native species such as wild asters an...Read More

J
J
Malvern, PA (Zone 7a) | October 2006 | negative

ERADICATE on sight!

This stuff in nasty, and will cover over almost anything given sun. It grows fast, and can be a pain ...Read More

C
Brookeville, MD (Zone 7a) | May 2005 | negative

I have these vines growing every where and in such vast quantities, it's impossible to deal with.

They're named mile a min...Read More

T
T
Murfreesboro, TN (Zone 7a) | October 2003 | negative

Polygonum perfoliatum is an annual vine native to China. According to some sources, this prickly, fast-growing vine was accidenta...Read More

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