Mentha arvensis (Wild Mint)

Plant Info
Also known as: Field Mint
Family:Lamiaceae (Mint)
Life cycle:perennial
Habitat:part shade, sun; moist soil; thickets, along shores, wet meadows
Bloom season:July - September
Plant height:6 to 24 inches
Wetland Indicator Status:GP: FACW MW: FACW NCNE: FACW
MN county distribution (click map to enlarge):Minnesota county distribution map
National distribution (click map to enlarge):National distribution map

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Detailed Information

Flower: Flower shape: 4-petals Flower shape: tubular Cluster type: whorled

[photo of flowers] Clusters of about 20 flowers around the leaf axils along much of the plant, blooming from the bottom of the plant up. Individual flowers are about 1/8 inch long and tubular. The upper lip is notched into 2 parts, the lower lip has 3 lobes of equal size. 4 long stamens protrude from the tube. Flower color ranges from pink to pale lavender to white, with darker spots on the inside of the tube. The calyx is hairy with short, triangular lobes and is about a third as long as the flower.

Leaves and stem: Leaf attachment: opposite Leaf type: simple

[photo of leaves] Leaves are up to 2½ inches long and 1 inch wide, narrowly egg-shaped to elliptic, pointed at the tip, serrated around the edges, finely hairy on the underside, and have short stalks. Attachment is opposite, with pairs at right angles to those above and below it. Leaves are strongly aromatic when crushed. Stems are square, ascending to erect, green or sometimes red, and hairy, sometimes just along the angles.

Fruit: Fruit type: seed without plume

Fruit is a set of 4 oval nutlets, each containing a single seed.


Wild Mint has some similarities to Lycopus species, which also have opposite leaves, whorls of small flowers at the leaf nodes, and found in wet places. Lycopus flowers are white with only 2 stamens, however, and the leaves are not aromatic when crushed. There are apparently 2 varieties, with var. canadensis found in North America and var. arvensis native to Europe. According to the University of Michigan Herbarium, there is some evidence the North American species is derived from ancient hybridization of European Mentha species; they have accepted the name Mentha canadensis and dropped arvensis altogether Perhaps a name change will come to Minnesota, as well.

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More photos

Photos by K. Chayka taken at Long Lake Regional Park, Ramsey County. Other photos courtesy Peter M. Dziuk.


Have you seen this plant in Minnesota, or have any other comments about it?

Posted by: Steve and Donna
on: 2008-08-14 12:08:15

Just identified our wild mint east of Brainerd, Thanks, can it be used like regular mint?

Posted by: K Chayka
on: 2008-08-14 14:27:14

Yes, wild mint is edible, though it might be slightly bitter compared to what you'd get at the grocery store. BTW, I love walking through the stuff. The aroma of crushed wild mint leaves is potent, but loverly.

Posted by: Michaela - Deer River
on: 2013-06-12 00:13:30

It grows like crazy here in Deer River next to our house, our barn, in our horse pasture, and all over the manure pile (good fertilizer, I suppose? haha) If we're not careful once in awhile it gets into our gardens and tries to take over! However, in the places where we do allow it to keep growing, it sure smells good, and it looks pretty when it flowers. Its also very handy for when we want to use for something -- my favorite uses for it are in summer drinks -- cucumber-mint flavored water, mojitos, and adding a little minty kick to lemonade or ice tea.

Posted by: Tracy - Marine on St. Croix
on: 2013-08-06 22:42:38

Found this lovely plant growing alongside a stream in my "backyard," which is literally William O'Brien State Park. It was in the company of Spotted Touch-Me-Not, and Forget-Me-Not's. I love how the flower "ball" grows in the center of the stem, and is comprised of tons of tiny flowers. I'd never seen this plant before - really pretty and a good "smeller!"

Posted by: Sheila - Golden Valley
on: 2014-07-06 12:25:00

Poppped up alongside the large suburban drainage pond in front of our house. I have my "storebought" mint contained in large sunken pots in the garden so I was initially dismayed to find these escapees at the edge of the pond, but am pleased now to discover that they're native, have food uses, and smell nice. I've been working for years to develop an almost-all native yard. No turf grass. It's a Herculean task, particularly to keep fighting the invasives while I develop the garden. Thanks for a great website that provides information and inspiration!

Posted by: D.Mae - NW Otter Tail County
on: 2014-08-06 09:47:18

one of three "strangers" I recently found near a slough at the edge of woods on our property. Also found--monkey flower, woundwort and blue vervain. Had never seen the first three before.

Posted by: Fran - Sugar Lake, Glen, Mn. 56431
on: 2015-07-18 21:37:17

Grows on shoreline next to my dock

Posted by: Sienna - South
on: 2017-04-17 19:55:41

I found a plant that smells minty thats not it what do u think it is?

Posted by: K. Chayka
on: 2017-04-17 21:42:49

Sienna, there are many possibilities. Try the advanced search or post an image on our facebook page.

Posted by: Corbin O - Alexandria
on: 2017-05-26 17:37:09

As far as I can tell, I found some growing in rocks along the edge of a lake. I was pulling up some weeds when something suddenly smelled minty and I had to look it up. Thanks for the info!

Posted by: J Schmidt - Osakis, MN
on: 2017-07-24 17:49:35

I found this plant along Falcon Drive near Lake Osakis.

Posted by: Nanette H - green isle
on: 2017-08-12 22:48:35

I have a large quantity growing in my garden. I tried to get rid of it but soon realized it was not a winning battle. So, I control it non chemically and make tea leaves.

Posted by: Gary - Carlton
on: 2019-03-03 23:31:09

I've known about the abundant presence of this species in Carlton County since 1972. Makes a fine mint tea.

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