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Useful
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Herb |
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Linaria
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| Other Names for this Plant |
Old-Field Toadflax, Canada Toaflax
Native to North America from Nova Scotia to Florida, west to Minnesota, Oregon, Texas and California
Blue toadflax has small flowers on top of slender stalks. The small flowers and wispy foliage make the plant easy to overlook, but it can be quite abundant in its preferred habitat of sunny, sandy areas. In early summer, many sandy roadsides have a haze of blue from blue toadflax in bloom.
It is an annual or biennial plant growing to 25-80 cm tall, with slender, erect flowering stems. The leaves are slender, 15-30 mm long and 1-2.5 mm broad. The flowers are purple to off-white, 10-15 mm long, appearing from mid spring to late summer. It typically grows in bare areas and grassland
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Compare Species
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Tounge Order (Mints) |
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Main, Real, Two First-Leaves (Dicots) |
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Real, Two First-Leaves (Dicots) |
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Half Capsule Seed Division |
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Magnolia Division |
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Seed Plants |
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Multiple Spore Sub-Kingdom |
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Multicellular Land Plants |
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Cells with a Nucleus |
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In Ohio this plant is listed as Endangered
Medicinal Uses: The leaves are antihemorrhoidal, diuretic, and laxative. They are applied externally in the treatment of hemorrhoids
Cultivation: very drought resistant plant once established, it thrives in a poor gravelly soil. Nitrogen-rich soils produce excessive leaf growth at the expense of flowering Prefers a sunny position
Propagation: Seed - sow spring in situ. An autumn sowing can also be made in areas with mild winters. This sowing will produce larger plants
Blue Toadflax
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Blue Toadflax
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| Comment:
Blue Toadflax, Linaria canadensis |
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Look for
Blue Toadflax on:
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