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For successful seedlings,
see the growing notes at the bottom of the page!
Siberian peashrub (Caragana arborescens) is a large shrub that can grow up to 6 metres tall. Its compound leaves are made up of 8 to 12 shiny, oval leaflets in a bright green colour. In May, this shrub is adorned with bright yellow, pea-like flowers typical of the Fabaceae family, which attract hummingbirds and other pollinators. It later produces brown pods containing protein-rich seeds. Siberian peashrub thrives in well-drained soils, whether sandy or clayey, and is able to tolerate difficult conditions such as drought, strong winds, and poor soils. Widely appreciated in permaculture, this shrub is known for its ability to fix nitrogen, enriching the soil. It prefers full sun but also tolerates partial shade.
Medicinal and Culinary Uses
Siberian peashrub flowers are edible and can be used to add a colourful and mildly sweet touch to salads. Historically, its seeds were consumed in parts of Asia and Eastern Europe, where the plant is from, as a substitute for peas. However, its culinary use today is mostly limited to ornamental purposes, such as adding its flowers to dishes.
Ecological Roles
Siberian peashrub plays a vital role in Quebec's ecosystems. Its nitrogen-fixing ability improves the fertility of surrounding soils, promoting the growth of other plants. It is also used as a windbreak hedge, protecting crops from strong winds. Additionally, this shrub helps stabilize disturbed or eroded soils and can assist in regulating the pH of degraded soils. In spring, its flowers attract hummingbirds and bees, supporting local pollinator populations. Furthermore, its seeds provide a food source for some birds during the summer, making it an important element in supporting local biodiversity.
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: 25
Family: Fabaceae
Scientific name: Caragana arborescens
Life cycle: Perennial
Hardiness zone: 3
Soil type: Sandy to silty
Soil moisture level: Dry to medium
Soil - additional attributes: Well-drained
Light: Sun
Blooming: June
Spacing: 300 cm
Height: 600 cm
Deer resistance: High
Stratification: No
Scarification: Optional soaking
Germination time: 7 to 30 days
Sowing depth: 10 mm