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Thinleaf Mountain-mint

Pycnanthemum montanum

Found in balds, soil islands on granitic domes, calcareous woodlands, woodlands, forests, and forest edges. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you

40
Good

Native to Alabama. How scores work Is it native here?

Profile 94%

Height
Up to about 3 feet
Light
Partial shade, Full sun
Soil moisture
Dry to moist
Will it fit your yard?

At a glance

Life cycle
Perennial
Bloom
June to August
Fruiting season
September to October

Not yet recorded · Spread · Leaves

County records are not available.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

1 of 3

Mountain balds

Round Bald
Grassy bald on a high ridge. Shown: Round Bald, Mitchell County, North Carolina and Carter County, Tennessee, a neighboring state.Round Bald, Alan M. Cressler / U.S. Geological Survey, undated. Public domain. Source record. Faithful JPEG display decode of embedded JP2; no AI or color enhancement. Phone derivative resized proportionally.

Forests and woodlands

Trail on Little Kennesaw Mountain.
Named place / source context. Shown: Kennesaw Mountain National Battlefield Park, Georgia, a neighboring state.Trail on Little Kennesaw Mountain., Unidentified in HFC record, undated. Public domain. Source record.

Forest edges and thickets

Wooded scene looking out over partially open fields
Named place / source context. Shown: Chickamauga and Chattanooga National Military Park, Georgia and Tennessee; which part is not recorded, a neighboring state.Wooded scene looking out over partially open fields, Richard Schlecht, undated. Public domain. Source record.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

3CaterpillarsGenus host records with ranges including AL

Genus host records with ranges including AL · Pycnanthemum

  • Chloridea virescensTobacco Budworm Moth
  • Eutrapela clematariaCurved-Tooth Geometer, Purplish Brown Looper
  • Lintneria eremitusHermit Sphinx
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
62BeesSoutheastern regional records

Southeastern regional records · Pycnanthemum

Individual names are not available yet.

Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
0Specialist beesPollen specialists
—BirdsRecorded genus food-resource interactions; not a state feeding claim

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Lamiaceae
Flower color
White or purple
Fruit begins
September
Fruit ends
October

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
Also known as

Appalachian Mountain Mint; Thin Leaf Mountain Mint; Thinleaf Mountain mint

Conservation status

Alabama rankSNR
Global rankG3G5
AL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources