Pycnanthemum muticum Clustered Mountain Mint



Pycnanthemum muticum is a 2’-3’ tall, upright plant with silvery green, oval leaves that have sharp tips. Its bloom clusters consist of tiny white to lavender flowers that have a silvery cast. The individual blooms open gradually over a period of six to eight weeks in late summer to early fall. Also called Clustered Mountain Mint, Pycnanthemum muticum has a compact habit that distinguishes this member of the Mountain Mint family.

Its fragrant leaves are sometimes rubbed on the skin to repel mosquitoes. It is a relatively quick spreader with shallow rhizomes that may travel across the soil surface as well as below. It may need to be planted in a large container to control its spread. Clustered Mountain Mint is not as aggressive as Virginia Mountain Mint

Very attractive to pollinators, a 2013 study at Penn State Extension Service showed that it was the most popular pollinator species tested, being visited by at least 78 insects in a few minutes time.

Pycnanthemum muticum has a native range from Texas to Michigan, east to Maine and south to Georgia. It is naturally found in bogs, savannas, and other low areas, as well as mountain ridges and balds.

Clustered Mountain Mint prefers a sunny, wet to moist, well-drained site, but will tolerate part shade, clay soil, heat and drought. It is easy to grow. A Rare Roots' perennial favorite!


  • Common Names: Clustered Mountain Mint
  • Zones: 4-8
  • Light Requirements: Full Sun to Light Shade
  • Soil Preference: Prefers moist soil, but tolerates dry
  • Height at Maturity: 24-36
  • Width at Maturity: 24-36
  • Bloom Color: White/Cream
  • Bloom Time: Late summer to early fall

Special Features

  • Attracts: Butterflies. Pollinators.
  • Tolerates: Drought.
  • Other Features: Container Plant. Fragrant.

Care and Growing Tips

This plant is very adaptable to soil types, moisture level, and light exposure, making it one of our top choices for native landscapes. It is best for spaces where it can be allowed to cluster and naturalize, because it spreads by rhizomes. Cut back after blooming.

Check out our blog for more gardening tips!

Shipping Info


All orders placed now will ship in Spring 2024 unless requested otherwise.

    • Zones 9&10: Starting March 25th
    • Zone 8: Starting April 1st
    • Zone 7: Starting April 8th
    • Zone 6: Starting April 22nd
    • Zone 5: Starting May 6th
    • Zones 4-2: Starting May 13th

If you live in a warm climate and wish to receive your plants during the winter, please send us an email. Please note that we may be unable to fulfill your request if temperatures are too cold for safe transit or if the plants are dormant.

 plants shipped to your door

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We ship via UPS & USPS (the Post Office), and their ship rates are automatically generated through our site. We do not profit on shipping costs. We are working with these providers to get our customers the best rates possible.

All ship times are subject to change if extreme weather conditions are present here at the nursery or at the shipping destination.

Please note: Depending on the time of year, the foliage of the plants may be trimmed to fit into our shipping boxes. This could delay the flowering of the plant, but many perennials actually benefit from being cut back.

We are currently not able to ship to Puerto Rico, Hawaii, and outside of the US.