PlantsPycnanthemum→Virginia Mountain Mint (Pycnanthemum virginianum)

Common names:
Give a thumbs up Virginia Mountain Mint
Give a thumbs up American Mountain Mint
Give a thumbs up Wild Basil
Give a thumbs up Prairie Hyssop

Botanical names:
Pycnanthemum virginianum Accepted
Koellia virginiana Synonym

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Wet
Wet Mesic
Dry Mesic
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Maximum recommended zone: Zone 8b
Plant Height: 12 - 36 inches
Plant Spread: 6 - 12 inches
Leaves: Fragrant
Other: long and thin
Fruiting Time: Summer
Late summer or early fall
Flowers: Showy
Flower Color: White
Other: Often with tiny purple spots
Bloom Size: Under 1"
Flower Time: Summer
Late summer or early fall
Underground structures: Rhizome
Uses: Erosion control
Water gardens
Will Naturalize
Edible Parts: Leaves
Eating Methods: Tea
Wildlife Attractant: Bees
Other Beneficial Insects: Wasps
Resistances: Flood Resistant
Humidity tolerant
Propagation: Seeds: Depth to plant seed: Seeds are small. Plant on soil surface.
Suitable for wintersowing
Can handle transplanting
Other info: Needs no stratification.
Propagation: Other methods: Cuttings: Root
Pollinators: Wasps
Moths and Butterflies

A small flowerhead, with Meadow Fritillary, our smallest frit. Sh

Honey Bees in the Garden:  JuneHoney Bees in the Garden: June
By Mindy03 on June 1, 2011

June brings the end of school, Father's Day and summer. Summer brings hot weather and plants may need extra water. Honey bees will also need extra water to keep the hive cool.

(Full article7 comments)
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Posted by BrendaVR (Ontario, Canada - Zone 6a) on Jan 4, 2014 1:12 PM

To identify P. virginianum, note the slight hairyness (pubescence) on the stems and leaves. P. virginianum has this pubescence, whereas P. tenuifolium does not have hairs on the stem (it is glabrous). Other than that, their leaf shape/form is nearly identical.

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Posted by Mindy03 (Delta KY) on Sep 21, 2011 4:43 PM

Honey bees get nectar from this plant

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Posted by Cyclaminist (Minneapolis, Minnesota - Zone 5a) on May 3, 2015 8:09 PM

This plant has fragrant minty-smelling leaves, unlike its close relative Narrowleaf Mountain Mint (Pycnanthemum tenuifolium) . The tiny purple-spotted white flowers attract short-tongued bees, and many species of harmless wasps.

This is a plant that should be grown more often. Don't be afraid to plant it because it attracts wasps. This plant does not attract yellow jackets and hornets, the dangerous wasps that attack and sting people, only the harmless wasps that eat garden pest insects. It's good to have wasps around the garden.

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Plant Events from our members
chelle On October 27, 2014 Transplanted
2014 w/s seedling 1/2 clump, NE corner of W window hugel bed, ground level.
Catmint20906 On October 30, 2014 Obtained plant
gardengus On March 3, 2016 Plant emerged
gardengus On July 6, 2015 Bloomed
» Post your own event for this plant

Discussion Threads about this plant
Thread Title Last Reply Replies
pubescent stem by BrendaVR Jan 4, 2014 1:14 PM 0
Plant Identification by Olives04 Mar 29, 2019 12:44 AM 11
Odd type of Mint. Not sure what kind. by WeirdMintGuy Jul 9, 2017 10:14 AM 5
White-flowered plant, possible U.S. native by Muddy1 Apr 17, 2017 4:25 PM 20
plant ID for friend by abhege Dec 1, 2016 9:30 AM 15
Help Identifying, Please by rhino57 Oct 28, 2016 9:03 AM 10
Strange Growth from Mountian Mint by Chillybean Dec 16, 2015 10:06 AM 8
where can I get Pycnanthemum albescens by gotause May 20, 2014 6:25 PM 1

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