Clustered Mountain-mint
Pycnanthemum pilosum
Last reviewed: July 2026
Pycnanthemum pilosum (Clustered Mountain-mint) is a native Georgia forb that blooms from June through September with white clustered flowers. This drought-tolerant plant attracts bees, butterflies, wasps, and moths to summer gardens.
Light
full sun
Water
medium
Size
12"–36" H × 12"–24" W
Bloom
Jun, Jul, Aug, Sep
Native to
GA
Pollinators
bees, butterflies, wasps, moths
Clustered mountain-mint is a native perennial herb that produces dense clusters of small white flowers from summer into early fall. The aromatic foliage releases a pleasant minty fragrance when brushed against, and the plant forms neat clumps that work well in sunny garden beds.
Growing Clustered Mountain-mint
Grow Clustered Mountain-mint in full sun and medium water. Mature plants reach 12 to 36 inches tall and spread 12 to 24 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Clustered Mountain-mint is an HOA-friendly choice. Maintenance level: low. Tidiness: 3 out of 5.
Works well in: mid zone, foundation.
- May spread by underground stems if not managed
- Can look sparse in winter when dormant
Wildlife value
This plant is exceptionally valuable for pollinators, attracting numerous species of bees, butterflies, beneficial wasps, and moths throughout its long blooming period. The dense flower clusters provide abundant nectar and pollen sources during peak summer months.
Common questions
- When does Clustered Mountain-mint bloom?
- Pycnanthemum pilosum blooms from June through September, providing nectar for pollinators throughout the summer months.
- What pollinators visit Clustered Mountain-mint?
- This native mint attracts a diverse range of pollinators including bees, butterflies, wasps, and moths during its blooming period.
- What growing conditions does Pycnanthemum pilosum prefer?
- Clustered Mountain-mint thrives in full sun to partial sun conditions and tolerates a wide range of moisture levels from wet to dry soils.
- Where is Clustered Mountain-mint native?
- Pycnanthemum pilosum is native to Georgia and other southeastern states.
- Is Clustered Mountain-mint HOA-friendly?
- Clustered Mountain-mint is generally an HOA-friendly choice in the right placement, with low maintenance.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Clustered Mountain-mint? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz