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Slender Mountain Mint

Pycnanthemum tenuifolium

Pleasant mint smell; good in tea; slow spreading



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Pycnanthemum tenuifolium, commonly known as slender mountain mint, is a native perennial forb (wildflower). It is versatile and can be used in a variety of plantings.

Wildlife notes

Insects find the flowers very attractive and usually seek nectar. The seeds are too small to be of much interest to birds. Mammalian herbivores usually don’t browse on this plant because of the minty taste; the foliage may contain anti-bacterial substances that disrupt the digestive process of herbivores.

Forage notes

Plants in the mint family are not typically preferred as a forage.

Landscaping notes

This plant prefers full sun and moist to slightly dry conditions. This plant often grows in rich loam, as well as soil containing rocky or gravelly material. This is an easy plant to grow. Interesting plant for the herb garden, rock garden, border, naturalized area or meadow. Also may be grown in open areas near ponds and streams.

Restoration notes

Habitats include moist to slightly dry black soil prairies, moist meadows and gravelly areas along rivers, openings in woodlands, moist thickets, acid gravel seeps, limestone glades, and abandoned fields.

This species is commonly used in the following mixes: Shadows & Sunbeams, Prairie Patchwork, Butterfly & Hummingbird Mix, Wet Meadow Mix, and Dry’n Rocky Mix

Videos About This Plant

To learn more about this plant, check out our videos about it and its uses.

Wet Meadow Mix | Native Wildflower Mix

Prairie Patchwork | Native Wildflower Mix

Dry ‘n Rocky | Native Wildflower Mix

Additional information

Weight N/A

Packet, Ounce, Pound


Full Sun

Seeding Rate

3 bulk lbs/acre


Average, Moist



Bloom Month

Jul, Aug



Specialty Uses

Butterfly, Landscaping, Medicinal, Tea

# seeds/pkt


Packet coverage area

5 sq. ft

Life Cycle


What is PLS?

Pure Live Seed (PLS) is the portion of good viable seed per pound. It is a measure of the seed that is alive and able to sprout into plants. This product is sold by PLS ounce/pound. To provide one ounce/pound of viable seed, you will receive more than one ounce/pound of product. Read more about PLS here.