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Showy Tick Trefoil

Desmodium canadense

Found in marl marshes, Thuja swamps, springs, seeps, hay meadows, streambanks, prairies, usually associated with calcareous substrates. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you

68
Strong

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

Profile 94%

Height
2–6 feet
Light
Full sun, Part shade
Soil moisture
Somewhat dry to moist
Will it fit your yard?

Rare or protected plant. Specialist conservation planting; excluded from routine garden suggestions. Plant caution source

Hidden from default planting suggestions. Wildlife value and native status remain unchanged.

At a glance

Life cycle
Perennial
Bloom
July to August

Not yet recorded · Spread · Leaves

Recorded in 10 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 6

Swamps

View, Dismal Swamp, North Carolina
Named place / source context. Shown: Great Dismal Swamp, North Carolina, as titled by Museum of Fine Arts Boston; nineteenth-century artistic interpretation, a neighboring state.View, Dismal Swamp, North Carolina, Regis Francois Gignoux, 1850. Public domain. Source record.

Seeps and springs

Weymouth Woods Gum Swamp Trail seep
Groundwater seep. Shown: Gum Swamp Trail, Weymouth Woods, North Carolina, a neighboring state.Weymouth Woods Gum Swamp Trail seep, ncwetlands.org, undated. CC BY 2.0. Source record.

Streams, rivers and their banks

Watauga Falls
Named place / source context. Shown: Watauga Falls, North Carolina, a neighboring state.Watauga Falls, Illustrator/engraver not confidently attributed; reproduced in Zeigler and Grosscup, The Heart of the Alleghanies (1883), 1883. Public domain. Source record.

Prairies and grasslands

Barrens native plants returning after prescribed fire, September 2020
Barrens grassland after a prescribed fire. Shown: Mammoth Cave National Park, Kentucky, a neighboring state.Barrens native plants returning after prescribed fire, September 2020, NPS Photo / Rick Olson, September 2020. Public domain. Source record.

Freshwater marshes

Open, herb-covered wetlands with fresh, non-tidal water.

Meadows

Open, grassy or flowery ground that is not wet, such as mountain meadows; wet meadows are separate.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Virginia. Shared habitat, not food. 73 animals.

All wildlife of Virginia

Ecological relationships

Who uses this plant?

What these records mean

23CaterpillarsGenus host records with ranges including VA

Genus host records with ranges including VA · Desmodium

  • Epargyreus clarusSilver-spotted Skipper
  • Aristotelia roseosuffusellaPink-Washed Aristotelia
  • Brenthia pavonacellaPeacock Brenthia Moth
  • Caloptilia violacellaTick-Trefoil Caloptilia
  • Cecropterus bathyllusSouthern Cloudywing
  • Cecropterus lyciadesHoary Edge
  • Cecropterus pyladesNorthern Cloudywing
  • Chloridea virescensTobacco Budworm Moth
  • Coelostathma discopunctanaThe Batman Moth
  • Cupido comyntasEastern Tailed-Blue
Show all 23
  • Dasylophia anguinaBlack-Spotted Prominent
  • Exelastis pumilioDwarf Plume Moth
  • Helicoverpa zeaCorn Earworm Moth
  • Hypena scabraGreen Cloverworm Bomolocha, Black Snout
  • Pyrrhia ciliscaAmerican Bordered Sallow, Noble Sun Moth
  • Spodoptera eridaniaSouthern Armyworm Moth
  • Spodoptera frugiperdaFall Armyworm Moth
  • Strymon melinusGray Hairstreak
  • Triclonella pergandeellaSweetclover Root Borer, Bush-Clover Triclonella
  • Urbanus proteusLong-Tailed Skipper, Bean Leaf Roller
  • Cosmopterix lespedezae
  • Grapholita fana
  • Porphyrosela desmodiella
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
15BeesSoutheastern regional records

Southeastern regional records · Desmodium

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
3BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Desmodium

  • Bonasa umbellusRuffed Grouse
  • Colinus virginianusNorthern Bobwhite
  • Cyrtonyx montezumaeMontezuma Quail
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Fabaceae
Flower color
Purple
Growing sources and scope
Also known as

Beggars Lice; Canada Tick Clover; Canada Tickclover; Canadian Tick Trefoil; Canadian Ticktrefoil; Showy Ticktrefoil

Conservation status

Virginia rankS1
Global rankG5
VA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources