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Slender Mountain-mint

Pycnanthemum tenuifolium

Found in bogs, wet meadows, moist to wet forests. 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 100%

Height
2–4 feet
Spread
2–3 feet
Light
Full sun, Partial shade
Soil moisture
Somewhat dry to moist

Space about 2.5 ft apart from its recorded spread, about 16 per 100 sq ft. Enter your bed size for a count

Will it fit your yard?

At a glance

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

Not yet recorded · Leaves

Recorded in 46 Alabama counties.

Natural habitats

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

1 of 2

Wet meadows

Open, wet, grassy or sedgy ground that is not a bog.

Moist forests

Forests on moist but not wet ground, such as rich slopes and ravines.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Alabama. Shared habitat, not food. 98 animals.

All wildlife of Alabama

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
Hardiness
Zones 4a–8b
Soil pH
Acidic
Flower color
Pink or white
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

Narrow Leaf Mountain Mint; Slender Mountain mint

Conservation status

Alabama rankSNR
Global rankG5
AL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

Will it fit your yard?

Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.

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How to check your spot

Growing cautions

For planning only; these do not change the score or Fit.

Sources