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Canada Toadflax

Nuttallanthus canadensis

In the Carolinas and Georgia, found in roadsides, fields and disturbed ground; cliffs, ledges and rocky summits. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you

36
Good

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

Profile 100%

Height
1–1.5 feet
Spread
6–9 inches
Light
Full sun
Soil moisture
Somewhat dry to moist

Space about 1 ft apart from its recorded spread, about 100 per 100 sq ft. Enter your bed size for a count

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
Annual or biennial
Bloom
March to August
Fruiting season
April to November

Not yet recorded · Leaves

Recorded in 47 Arkansas 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

Roadsides, fields and disturbed ground

Ground opened by people: roadsides, old fields, pastures, fencerows and lots.

Cliffs, ledges and rocky summits

Cliffs, ledges, rock outcrops, talus and rocky summits where the source does not name the rock. A named rock files the place under its own glade or outcrop type instead.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

5CaterpillarsGenus host records with ranges including AR

Genus host records with ranges including AR · Linaria

  • Chlosyne gorgoneGorgone Checkerspot
  • Junonia coeniaCommon Buckeye
  • Pyrrhia aurantiagoOrange Sallow, False Foxglove Sun Moth
  • Sympistis perscriptaScribbled Sallow
  • Trichordestra legitimaStriped Garden Caterpillar Moth
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
3BeesSoutheastern regional records

Southeastern regional records · Linaria

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
Plantaginaceae
Hardiness
Zones 8a–10b
Soil pH
Acidic
Flower color
Blue, purple or white
Fruit begins
April
Fruit ends
November
Growing sources and scope
Also known as

Nuttallanthus canadensis

Conservation status

Arkansas rankS1S2
Global rankG5
AR statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources