Clustered Mountain-mint
Pycnanthemum pilosum
Last reviewed: August 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.
Toxicity unknown
Clustered Mountain-mint (Pycnanthemum pilosum) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
medium
Size
12"–36" H × 12"–24" W
Bloom
Jun, Jul, Aug, Sep
Native to
AL, AR, CT, GA and 11 more states
Pollinators
bees, butterflies, wasps, moths
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 445 programs across 44 states, each with a link to the provider and the date we last checked it.
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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.
These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.
Native range data from the World Checklist of Vascular Plants (Kew). 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.
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