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Whorled Horsebalm

Collinsonia verticillata

Found in rich forests, ranging from moist (cove) forests to rather dry oak forests over mafic or calcareous rocks. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you

26
Good

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

Profile 100%

Height
Up to about 20 inches
Light
Partial shade
Soil moisture
Usually moist
Will it fit your yard?

At a glance

Life cycle
Perennial
Bloom
April and June
Fruiting season
June to July

Not yet recorded · Spread · Leaves

Recorded in 4 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 3

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.

Moist forests

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

Dry forests and woodlands

Forests and open woodlands on dry ridges and slopes, often oak or pine.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Alabama. Shared habitat, not food. 106 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 · Collinsonia

  • Lintneria eremitusHermit Sphinx
  • Papaipema nebrisStalk Borer
  • Pyrausta demantrialis
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
1BeesSoutheastern regional records

Southeastern regional records · Collinsonia

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–8a
Soil pH
Alkaline
Flower color
Pink or white
Fruit begins
June
Fruit ends
July

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

Growing sources and scope
Also known as

Whorled Stoneroot

Conservation status

Alabama rankSNR
Global rankG3G4
AL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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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

Sources