Canada Toadflax

Linaria canadensis

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Plantaginaceae
Genus:
Linaria
Species:
Linaria canadensis

Growth Characteristics

Life Cycle:
Annual | Biennial
Growth Habit:
Forb/herb
Height:
1-2 ft
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
mar, apr, may, jun, jul, aug, sep
Bloom Colors:
Blue

Native Range

United States: Alabama, Arkansas, California, Connecticut, District of Columbia, Delaware, Florida, Georgia, Iowa, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, North Carolina, North Dakota, New Hampshire, New Jersey, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Virginia, Vermont, Washington, Wisconsin, West Virginia, Canada: New Brunswick, Nova Scotia, Ontario, Quebec

Host Plant for Caterpillars

corn earworm (Helicoverpa zea), Lepipolys perscripta, Tobacco budworm (Heliothis virescens)

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
thrives in disturbed areas and open fields