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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

36
Good

Native to 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 82 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

Cove hardwood forest
Regional / representative. Shown: Great Smoky Mountains National Park, North Carolina and Tennessee; representative habitat composite, not a documented exact viewpoint, a neighboring state.Cove hardwood forest, Hynes, Robert 'Bob', by 2012. Public domain. Source record.

Moist forests

Shortia beneath rhododendrons in mountain woodland
Regional / representative. Shown: Mountains of North and South Carolina; exact site not identified, a neighboring state.Shortia beneath rhododendrons in mountain woodland, Marian Ellis Rowan, 1901. Public domain. Source record.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Virginia. Shared habitat, not food. 110 animals.

All wildlife of Virginia

Ecological relationships

Who uses this plant?

What these records mean

7CaterpillarsGenus host records with ranges including VA

Genus host records with ranges including VA · Collinsonia

  • Celastrina neglectaSummer Azure
  • Lintneria eremitusHermit Sphinx
  • Melanchra adjunctaHitched Arches
  • Papaipema astutaStoneroot Borer Moth
  • Papaipema nebrisStalk Borer
  • Psectrotarsia hebardiHorse-Balm Sun Moth
  • 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–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

Virginia rankS5
Global rankG5
VA 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