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Thinleaf Mountain-mint

Pycnanthemum montanum

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

45
Good

Native to West Virginia. 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

Forest edges and thickets

Landscape label QS:Lit,"Paesaggio" label QS:Lhu,"Tájkép" label QS:Lca,"Paisatge" label QS:Lde,"Landschaft" label QS:Lpt,"Paisagem" label QS:Lda,"Landskab" label QS:Lsl,"Krajina" label QS:Lja,"風景" label QS:Lsv,"Landskap" label QS:Lpl,"Pejzaż" label QS:Luk,"Пейзаж" label QS:Lnl,"Landschap" label QS:Les,"Paisaje" label QS:Ltr,"Manzara" label QS:Lfi,"Maisema" label QS:Len,"Landscape" label QS:Lfr,"Paysage" label QS:Lmk,"Предел" label QS:Lru,"Пейзаж"
Paul Sawyier, Landscape: young trees and shrubs in autumn colour crowding the rocky edge of a Kentucky woodland. Regional view: the painting does not name the exact site. Shown: Kentucky (Paul Sawyier, Landscape; Johnson Collection), a neighboring state.Landscape label QS:Lit,"Paesaggio" label QS:Lhu,"Tájkép" label QS:Lca,"Paisatge" label QS:Lde,"Landschaft" label QS:Lpt,"Paisagem" label QS:Lda,"Landskab" label QS:Lsl,"Krajina" label QS:Lja,"風景" label QS:Lsv,"Landskap" label QS:Lpl,"Pejzaż" label QS:Luk,"Пейзаж" label QS:Lnl,"Landschap" label QS:Les,"Paisaje" label QS:Ltr,"Manzara" label QS:Lfi,"Maisema" label QS:Len,"Landscape" label QS:Lfr,"Paysage" label QS:Lmk,"Предел" label QS:Lru,"Пейзаж", Paul Sawyier, c. 1890-1917. Public domain. Source record.

Mountain balds

Treeless grassy or shrubby summits and ridges in the high mountains.

Forests and woodlands

Forest or woodland where the source does not say how moist or dry.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

4CaterpillarsGenus host records with ranges including WV

Genus host records with ranges including WV · Pycnanthemum

  • Chloridea virescensTobacco Budworm Moth
  • Eutrapela clematariaCurved-Tooth Geometer, Purplish Brown Looper
  • Lintneria eremitusHermit Sphinx
  • Chionodes pseudofondella
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

West Virginia rankSH
Global rankG3G5
WV statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources