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For successful seedlings,
see the growing notes at the bottom of the page!
Canada tick-trefoil (Desmodium canadense) is a perennial plant from the Fabaceae family, known for its ability to fix atmospheric nitrogen into the soil, enriching it naturally. This upright plant can grow between 1 and 1.25 metres tall and is characterized by its abundant, elongated clusters of pink or pink-purple flowers that bloom from July to August. The pea-like flowers are highly attractive to butterflies, hummingbirds, and other pollinators, making it an excellent choice for naturalistic or ecological gardens. Canada tick-trefoil thrives in well-drained soils and is particularly suited to prairies, roadsides, and open, sunny areas.
Ecological Roles
Canada tick-trefoil plays a key ecological role due to its nitrogen-fixing properties, improving soil fertility and supporting the growth of surrounding plants. Its large pink flowers attract a variety of pollinators, including butterflies and hummingbirds, which help sustain local biodiversity. As a robust perennial, it also helps stabilize soils, especially in prairies and natural areas, where it can prevent erosion. Canada tick-trefoil is particularly useful in ecological restoration projects or sustainable gardening, where it not only brings vibrant colour but also offers long-term benefits for soil health and ecosystem stability.
Canada tick-trefoil seeds require cold stratification to ensure germination. See the cultivation notes below for more details.
Akène cannot assume any responsibility for the use of plants for therapeutic purposes. Always seek advice from a professional before using a medicinal or edible plant.
Sowing and Growing
Technical Details
Seeds per packet: 50
Family: Fabaceae
Scientific name: Desmodium canadense
Life cycle: Perennial
Hardiness zone: 3
Soil type: Silty to clayey
Soil moisture level: Medium to slightly moist
Soil - additional attributes: Well-drained
Light: Sun
Blooming: July to August
Spacing: 45 cm
Height: 100 cm
Deer resistance: Moderate
Stratification: 60 days
Scarification: Sandblasting
Germination time: 15 days
Sowing depth: 5 mm