slender mountain mint
Pycnanthemum tenuifolium
USDA zones4 to 9
SunHandles full sun to partial shade
WaterHandles dry to wet soil
Size2 to 3 feet tall2 to 3 feet wide
- Growth rate
- Rapid
- Habit
- Herb
- Bloom season
- Summer, autumn
- Bloom color
- White
- Foliage color
- Pale green.
- Soil types
- Sand, loam, clay, chalk
- Soil pH
- Acidic (pH<6.8)
Garden uses
Attracts
Notes
Slender mountain mint (Pycnanthemum tenuifolium) is a perennial for borders, pollinator gardens, meadows, and rain gardens. It is hardy to USDA zone 4, or down to -30°F (-34°C). This plant likes full sun to part shade and dry to wet soil of most types. The stiff, upright clumps smell minty and bear small whitish flowers with purple spots. Bees and butterflies visit the blooms, and many animals eat the seeds.
Pairs well with Wild bergamot, Switchgrass, Blue star, and Black-eyed Susan.
Native range
Eastern North America.