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Southern Mountainmint

Pycnanthemum pycnanthemoides

Last reviewed: July 2026

Southern Mountainmint (Pycnanthemum pycnanthemoides)
Photo: USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 144. / Wikimedia Commons (Public domain)

Light

full sun

Water

medium

Size

24"–36" H × 12"–24" W

Bloom

Jul, Aug, Sep

Native to

AL, GA, IL, IN and 6 more states

Pollinators

bees, butterflies, wasps

Southern mountainmint is a hardy native perennial that forms neat clumps of aromatic foliage topped with clusters of small white flowers. The silvery-white bracts surrounding the flower clusters create an attractive display from summer through fall. This drought-tolerant plant maintains a tidy, upright growth habit that works well in formal garden settings.

In an HOA neighborhood

Southern Mountainmint is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.

Works well in: front yard, foundation, street edge, mid zone.

  • May spread gradually by rhizomes if not managed

Wildlife value

This plant is exceptionally valuable for pollinators, attracting numerous species of native bees, butterflies, and beneficial wasps. The long blooming period provides nectar throughout the peak pollinator season.

Common questions

How much sun does Southern Mountainmint need?
Southern Mountainmint grows best in full sun conditions.
When does Southern Mountainmint bloom?
Southern Mountainmint blooms in July, August, and September.
Where is Southern Mountainmint native?
Southern Mountainmint (Pycnanthemum pycnanthemoides) is native to AL, GA, IL, IN and 6 more states, per the USDA PLANTS Database and regional native plant society lists.
What pollinators does Southern Mountainmint attract?
Southern Mountainmint draws bees, butterflies, and wasps.
Is Southern Mountainmint HOA-friendly?
Southern Mountainmint 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 Southern Mountainmint? 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