Linaria canadensis

Canadian Toadflax


Also known as Anarrhinum canadense

Plant Specifics

Size:1.0 to 1.25 ft tall by .5 to .75 ft wide
Life Span:Annual
Flower Color:Lavender
Fruit Color:NA
Phenology:Winter dormant
Noted for:Showy flowers


Recommended Uses:In a wildflower garden or meadow, because it's noticeable only when flowering.
Propagation:Self seeds with seeds which easily become airborne. Can be propagated by dividing the root ball. Seeds are available through the Florida Wildflowers Growers Cooperative.
Availability:Seed, Specialty providers
Light: Full Sun,  Part Shade
Moisture Tolerance:
always floodedextremely dry
 (Somewhat moist, no flooding ----- to ----- Not wet but not extremely dry)
Moisture Tolerance: Somewhat moist, no flooding ----- to ----- Not wet but not extremely dry
Salt Water Flooding Tolerance:Not salt tolerant of inundation by salty or brackish water.
Salt Spray/ Salty Soil Tolerance:Low/no tolerance of salty wind or direct salt spray
Soil or other substrate:Loam, Lime rock, Sand
Soil pH:5.6 to 6.0



  • Larval host to the Buckeye butterfly, Junonia coernia.
  • Nectar source for bumblebees and other long tongue bees, butterflies and skippers.

Native Habitats:Disturbed areas

Distribution and Planting Zones

Natural Range in Florida
USDA Zones

Suitable to grow in:
10A 10B 8A 8B 9A 9B 

USDA zones are based on minimum winter temperatures