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Seeds - Switchgrass

Panicum virgatum

Minimum 200 semences par enveloppe

Sale price

$4.25

Regular price $4.25
( / )
Harvest year

Année de récolte: 2023


Catégories: indigène, résiste aux cerfs, vivace,

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

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

Switchgrass (Panicum virgatum), also known as old switch panicgrass, is a tall, native North American perennial grass that can reach up to 1.75 metres in height. This adaptable grass thrives in various soil types and is especially valued for its deep root system, which helps stabilize riverbanks and slopes. In gardens, its roots contribute to soil aeration and increase fertility. Its straight, sturdy stems are topped with airy, golden blooms that persist through winter, adding structure and visual interest to landscapes even in the colder months. Switchgrass is thus an excellent choice for naturalistic gardens and soil stabilization projects in Quebec.

Medicinal and Culinary Uses
Switchgrass has no documented medicinal uses. However, it has traditionally been used as animal forage due to its high nutritional value.

Ecological Roles
Switchgrass plays an essential ecological role by enhancing soil structure and fertility with its deep roots, which help prevent erosion on banks and slopes. This grass attracts various insects, and in winter, its upright stems provide shelter for small wildlife and insects, contributing to local biodiversity. By integrating switchgrass into ecological gardens and riparian zones, we support soil health while creating resilient habitats for local wildlife.

Switchgrass 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 - Switchgrass

Switchgrass seeds require cold stratification to germinate.

Mix the seeds with a moist substrate (such as vermiculite, perlite, or sand) and place them in a plastic bag in the refrigerator for 30 days.

After 30 days, spread the seed and substrate mix on the soil surface (either in containers or directly in the garden) and cover it with a thin layer of soil, about 3 mm thick.

Water regularly to keep the soil moist until the seeds have germinated (which should take about 15 to 20 days), but avoid overwatering to prevent seed rot.

Once the plants are well-established, they can be left to grow naturally. However, an annual trim can help maintain an attractive shape and remove any dead stems.

Seeds per packet: 200

Family: Poaceae

Scientific name: Panicum virgatum

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: July to October

Spacing: 100 cm

Height: 175 cm

Deer resistance: High

Stratification: 30 days

Scarification: No

Germination time: 15 to 20 days

Sowing depth: 3 mm