States
North CarolinaTennesseeGeorgiaSouth CarolinaKentuckyAlabamaFloridaVirginia
Menu

Canada Toadflax

Linaria canadensis

Found in roadsides, fields and disturbed ground; cliffs, ledges and rocky summits. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you

36
Good

Native to Alabama. 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?

At a glance

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

Not yet recorded · Leaves

Recorded in 65 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 2

Cliffs, ledges and rocky summits

Trees and rocks on Little Kennesaw Mountain.
Named place / source context. Shown: Kennesaw Mountain National Battlefield Park, Georgia, a neighboring state.Trees and rocks on Little Kennesaw Mountain., Unidentified in HFC record, undated. Public domain. Source record.

Roadsides, fields and disturbed ground

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

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Alabama. Shared habitat, not food. 66 animals.

All wildlife of Alabama

Ecological relationships

Who uses this plant?

What these records mean

5CaterpillarsGenus host records with ranges including AL

Genus host records with ranges including AL · Nuttallanthus

  • Chloridea virescensTobacco Budworm Moth
  • Helicoverpa zeaCorn Earworm Moth
  • Junonia coeniaCommon Buckeye
  • Phyprosopus callitrichoidesCurved-Line Owlet
  • Sympistis perscriptaScribbled Sallow
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

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

Growing sources and scope
Also known as

Nuttallanthus canadensis

Conservation status

Alabama rankSNR
Global rankG5
AL 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

Sources