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Summary

Physical Characteristics

Linaria canadensis is a ANNUAL/BIENNIAL growing to 0.6 m (2ft).
See above for USDA hardiness. It is hardy to UK zone 4. The species is hermaphrodite (has both male and female organs).
Suitable for: light (sandy) and medium (loamy) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil and can tolerate drought.

UK Hardiness Map US Hardiness Map

Synonyms

Plant Habitats

Cultivated Beds;

Edible Uses

None known

References More on Edible Uses

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Antihaemorrhoidal Diuretic Laxative

The leaves are antihaemorrhoidal, diuretic and laxative[61, 254]. They are applied externally in the treatment of haemorrhoids[254].

References More on Medicinal Uses

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Other Uses

None known

Special Uses

References More on Other Uses

Cultivation details

A very drought resistant plant once established, it thrives in a poor gravelly soil[200]. Nitrogen-rich soils produce excessive leaf growth at the expense of flowering[200]. Prefers a sunny position[200].

References Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

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Plant Propagation

Seed - sow spring in situ[200]. An autumn sowing can also be made in areas with mild winters[200]. This sowing will produce larger plants.

Other Names

If available other names are mentioned here

Native Range

NORTHERN AMERICA: Canada (Québec, Nova Scotia, Ontario), United States (Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia, Iowa (east), Kansas, Minnesota (southeast), Missouri, Nebraska, South Dakota, Illinois, Oklahoma, Wisconsin, Alabama, Arkansas, Delaware, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, Texas)

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so itâ€™s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

Related Plants

Latin Name	Common Name	Habit	Height	Hardiness	Growth	Soil	Shade	Moisture	Edible	Medicinal	Other
Castilleja linariaefolia	Wyoming Indian Paintbrush	Perennial	0.6	-		LMH	SN	M	1	2
Linaria vulgaris	Yellow Toadflax, Butter and eggs	Perennial	0.6	4-8		LMH	SN	DM	1	2	3

Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

Linaria canadensis - (L.)Dum.Cours.