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Canada Horsebalm

Collinsonia canadensis

Found in cove forests, rich forests, especially over calcareous or mafic substrates. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you

26
Good

Native to West Virginia. How scores work Is it native here?

Profile 100%

Height
2–4 feet
Spread
1–3 feet
Light
Dappled sunlight, Deep shade, Partial shade
Soil moisture
Usually moist

Space about 2 ft apart from its recorded spread, about 25 per 100 sq ft. Enter your bed size for a count

Will it fit your yard?

At a glance

Life cycle
Perennial
Leaves
Deciduous
Bloom
July to September
Fruiting season
September to October

Recorded in 14 West Virginia 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

Rich cove forests

Sheltered, moist mountain hollows and lower slopes with deep, fertile soil.

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 West Virginia. Shared habitat, not food. 109 animals.

All wildlife of West Virginia

Ecological relationships

Who uses this plant?

What these records mean

3CaterpillarsGenus host records with ranges including WV

Genus host records with ranges including WV · Collinsonia

  • Lintneria eremitusHermit Sphinx
  • Melanchra adjunctaHitched Arches
  • Papaipema nebrisStalk Borer
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–8b
Soil pH
Acidic to neutral
Flower color
Yellow 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

Canada Horse Balm; Northern Horse Balm

Conservation status

West Virginia rankS5
Global rankG5
WV 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.

Choose a county to begin.

How to check your spot

Growing cautions

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

Sources