Appalachian Mountainmint
Pycnanthemum flexuosum
Last reviewed: August 2026
Appalachian Mountainmint (Pycnanthemum flexuosum) is a perennial forb native to AL, FL, GA, MS and 3 more states. It blooms in July, August, and September. The flowers draw bees, butterflies, and wasps. It reads as an intentional, HOA-friendly planting in the right spot.
Toxicity unknown
Appalachian Mountainmint (Pycnanthemum flexuosum) 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
24"–36" H × 12"–18" W
Bloom
Jul, Aug, Sep
Native to
AL, FL, GA, MS and 3 more states
Pollinators
bees, butterflies, wasps
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.
Find rebates in your areaBrowse plants for this ecoregion
Appalachian mountainmint is a native perennial herb that forms compact clumps with aromatic, mint-scented foliage. It produces clusters of small white flowers from July through September, creating a soft, textured appearance in the garden. The plant maintains a relatively tidy, upright form throughout the growing season.
Growing Appalachian Mountainmint
Grow Appalachian Mountainmint in full sun and medium water. Mature plants reach 24 to 36 inches tall and spread 12 to 18 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Appalachian 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 underground stems
- Dormant winter appearance is less attractive
Wildlife value
This plant is exceptionally valuable for pollinators, attracting numerous species of native bees, butterflies, and beneficial wasps. The long blooming period provides consistent nectar sources during late summer when many other flowers have finished.
Common questions
- How much sun does Appalachian Mountainmint need?
- Appalachian Mountainmint grows best in full sun conditions.
- When does Appalachian Mountainmint bloom?
- Appalachian Mountainmint blooms in July, August, and September.
- Where is Appalachian Mountainmint native?
- Appalachian Mountainmint (Pycnanthemum flexuosum) is native to AL, FL, GA, MS and 3 more states, per vouchered herbarium specimen records and regional native plant society lists.
- What pollinators does Appalachian Mountainmint attract?
- Appalachian Mountainmint draws bees, butterflies, and wasps.
- Is Appalachian Mountainmint HOA-friendly?
- Appalachian Mountainmint is generally an HOA-friendly choice in the right placement, with low maintenance.
Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Appalachian 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