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Pycnanthemum Muticum

Blunt Mountain Mint
$16.95 ea.
Order more to save! 3+ for $16.50 ea.
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Fall 2024 to
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A Top-Notch Weed-Suppressing Perennial
The long list of beneficial attributes makes Blunt Mountain Mint a must-have! An aromatic naturalizer with vertical structure, this host plant for caterpillars and moths is also a pollinator favorite that offers superb drought tolerance once established. Tubular white flowers freckled with pink open from clustered, pincushion-like nuggets. Flowers nestle within silver bracts that give plants the appearance of being dusted by snow. Unlike true mints, it is not invasive but spreads slowly from underground rhizomes. Native to eastern North America. Pycnanthemum muticum was rated #1 for longevity of flowers and #1 for diversity of pollinators in a 2013 Penn State Extension Service Pollinator Trial among 88 pollinator-rewarding perennial plants.

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Plant Type Perennials


Height Medium 1-3'

Spacing Plant 1-3' apart

Bloom Time Mid-Summer to Early Fall

Sun / Shade Full Sun to Mostly Sunny

Zones 4-8

Soil Type Normal, Clay, Sandy

Sold In Plantable Pots (3.5x3.5x4")

Special Features

  • Beneficial for Pollinators
  • Attracts Butterflies
  • Deer Resistant
  • Fragrant
  • Hot Dry Site Tolerant

Pycnanthemum General Information

Pycnanthemum is a clump-forming aromatic perennial. Blunt Mountain Mint spreads by rhizomes in optimum conditions but is not invasive as many of the true mints (Menta). This perennial is a favorite of bees and butterflies. Idaho has restricted all potted plant material from being shipped into Idaho at this time.

Pycnanthemum Plant Care

Blunt Mountain Mint flowers best when planted in full sun but can grow in bright shade. Unwanted spreading can be controlled by cutting off the underground rhizomes with a spade. Plants grow best in fertile, moist-to-medium moisture soils that are well-drained.

Plantable Pots

Our plants are grown in 3.5x3.5x4” plantable pots. Made from 100% biodegradable coconut husk fibers (coir), these pots have tremendous advantages over plastic pots. With better air exchange, this "breathable" pot fosters robust root growth and reduces transplant shock since you can plant the pots directly in the ground. The pot naturally becomes part of the soil on its own over time—no composting required—and since they're made from a renewable resource that requires very little energy, they're earth-friendly too!

100% Guarantee

We offer a 100% unconditional guarantee for all our perennials to reach you in good condition and to grow. If you're not satisfied, we'll reship or refund immediately. Please don't hesitate to contact us if you have questions or concerns—we share your passion for gardening and want your new plants to thrive in your border!

Shipping Details

We use custom, earth-friendly packaging to make sure your order arrives in great condition, and we ship based on the best planting time for your growing zone (see the approximate dates below), unless otherwise indicated at checkout. If you wish, you can indicate a specific ship date during checkout.


  • Zone 3, 4: Early to Mid May
  • Zone 5: Late April to Early May
  • Zone 6: Mid to Late April
  • Zone 7: Early to Mid April
  • Zone 8: Late March to Early April
  • Zone 9, 10: Late March


  • Zone 2, 3, 4: Early September
  • Zone 5: Early to Mid September
  • Zone 6: Mid September
  • Zone 7: Mid to Late September
  • Zone 8, 9, 10: Late September to Early October