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Seeds - Canada Wood-nettle

Laportea canadensis

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Regular price $5.00
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Origine : Non spécifiée


Catégories: bandes riveraines, comestible, indigène, médicinale, nouveauté, sous-bois, vivace,

Aire de répartition indigène: SK, MB, ON, QC, NB, NS, PE,

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For successful seedlings,
see the growing notes at the bottom of the page!

Canada wood-nettle (Laportea canadensis) is a native perennial herbaceous plant in the Urticaceae family. It typically grows 30 to 150 cm tall. Sturdy, upright stems carry large, alternate leaves that are oval to oblong with coarsely toothed margins. The foliage is dark green above and paler beneath. A defining feature is the presence of stinging hairs on both stems and leaves, which can cause irritation on contact. Small greenish flowers appear in drooping clusters in the leaf axils from July to August. The species prefers shaded to semi-shaded habitats such as riparian forests, moist ravines, and cool, shaded forest floors, and it thrives in rich, organic, moist, well-drained soils.

Medicinal and culinary uses
Canada wood-nettle is edible after cooking: young leaves and shoots can be harvested in spring and cooked like leafy greens. They are rich in vitamins and minerals. Traditionally, the leaves were used medicinally to address various ailments. A leaf infusion was sometimes employed as a diuretic and to relieve joint pain. Handle with care, as contact can cause skin irritation.

Ecological roles
Canada wood-nettle plays an important role in moist forest ecosystems. It provides shelter and a food source for many insects, including certain butterfly species whose caterpillars feed on its leaves. Its inconspicuous flowers also attract local pollinators, including bees and hoverflies. Dense root systems help stabilize soils along streams and limit erosion. By supporting biodiversity, Canada wood-nettle contributes to the ecological resilience of forests in Quebec.

 

Canada wood-nettle 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.

Growing Notes | Seeds - Canada Wood-nettle

Canada wood-nettle prefers cool, rich, slightly acidic to neutral, well-drained soils. It thrives in shade or part shade.

Canada wood-nettle seed requires 60 days of cold stratification.

This step can be carried out naturally by sowing in the fall, or artificially by refrigerating for spring sowing.

To do so, mix one part seed with three parts moist vermiculite, then place the mixture in a sealed bag in the refrigerator for about 60 days.

Sow on the surface or cover only lightly (no more than 3 mm deep), as light exposure promotes germination. Germination usually occurs after 15 to 20 days.

During germination, maintain consistent moisture without waterlogging the medium. Once established, Canada wood-nettle requires little maintenance, but gloves are recommended when handling to prevent irritation.

Seeds per packet:

Family: Urticaceae

Scientific name: Laportea canadensis

Life cycle: Perennial

Hardiness zone: 3

Soil type:
Sandy to clayey

Soil moisture level: Humid

Soil - additional attributes: Rich

Light: Part shade, shade

Blooming: July to August

Spacing: 100 cm

Height: 150 cm

Deer resistance: Moderate

Stratification: 60 days

Scarification: No

Germination time: Unknown

Sowing depth: 3 mm