Slender Mountain Mint (Pycnanthemum tenuifolium)

Flat-topped white flowers scatter across the summer prairie. Belonging to the mint family, when crushed this plant has a light peppermint smell with a hint of lemon. A tough native plant of mesic Illinois prairies. 


  • Acronym: PYCTEN
  • Life-Cycle: Perennial
  • Bloom Color: White
  • Bloom Time: June - September
  • Typical Height: 24"
  • Light Preference: Full Sun
  • Soil Preference: Mesic
  • Root Structure: Taproot and Rhizome
  • Stratification: None Required
  • Seeds per Ounce: 380,000*
  • Seeds per Packet: 1,500*
  • IL County Ecotypes we Grow**
    1. Menard County


Other scientific names used for this species:

  • None


Other common names used for this species:

  • None


*Approximate, actual number of seeds may vary slightly by seed lot.

**We have listed the County ecotypes that we grow for this species, this ecotype may or may not be available at the time of your order. If you prefer one of the ecotypes over another please type it into the "Additional Info Section" and we'll provide that ecotype if it's available, if it is not available we will provide one of the other ecotypes listed.

Pycnanthemum tenuifolium - Per Ounce

  • Even though the flowers of this plant are beautiful, the seeds it produces smell like stinky feet!