Yellow Indiangrass (Sorghastrum nutans) – Seeds

Name: Yellow Indiangrass (Sorghastrum nutans) – Seeds
Brand: Akène
SKU: AKE-SEMENCES
Price: 4.99 CAD
Availability: OutOfStock

Sorghastrum nutans

This tall native grass produces highly decorative golden seed heads and develops a deep root system. Hardy and drought tolerant, Yellow Indiangrass suits wildflower meadows, slopes, naturalized strips, and ecological restoration projects.

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Detailed plant guide

Advice adapted to Canada

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Quantity Minimum 100 seeds

Exposure Full sun

Hardiness USDA Zones 3 to 8

Difficulty level Low

Family Poaceae

Genus Sorghastrum

Species nutans

Cultivar

Type Native perennial grass

Cycle Perennial

Yellow Indiangrass (Sorghastrum nutans) is a tall native perennial grass distinguished by an upright habit, blue-green foliage, and golden panicles held well above the clump. From late summer into early autumn, the flexible flower heads catch the light and gradually develop coppery to golden-brown tones. Plants generally reach 1 to 1.65 m tall and approximately 45 to 60 cm wide. Exceptionally hardy in Zones 3 to 8, this grass remains attractive even under snow and brings movement, height, and structure to wildflower meadows, prairie gardens, and naturalized landscapes throughout Quebec and other cold regions of Canada.

Yellow Indiangrass performs best in full sun and well-drained loamy to clay soil ranging from moderately dry to moist. Once its deep root system is established, it tolerates poor ground and extended dry periods. Seeds may be sown outdoors in autumn or in spring after a short period of moist cold stratification. Plant them approximately 5 mm deep and maintain consistent moisture until emergence. Young plants benefit from regular watering during their first season, while mature clumps require little supplemental moisture. A thin spring layer of mature compost is sufficient; avoid rich fertilizer, which may weaken stems, encourage lodging, and reduce the plant’s naturally sturdy habit.

In the garden, Yellow Indiangrass suits native prairies, dry slopes, naturalized strips, and ecological restoration projects. Its dense, deep root system helps stabilize soil, improve structure, and establish durable plant cover. The seeds feed some birds, while stems left standing provide winter shelter for insects and small wildlife. Pair this grass with Black-Eyed Susan, coneflowers, Butterfly Milkweed, and Wild Bergamot. Its vertical form and luminous seed heads create landscapes inspired by North American tallgrass prairies. Sorghastrum nutans is especially effective when planted in repeated groups that move naturally in the wind and retain strong winter presence.

Planting guide

From planting to establishment.

Planting depth Approximately 5 mm

Spacing / density 45 to 60 cm (18 to 24 in)

Establishment temperature 20 to 22°C

Establishment time 10 to 21 days after stratification

Best planting time Spring after the last frost

Propagation Seed or clump division

Growing method

Sow Indiangrass seeds approximately 5 mm (¼ in) deep in a well-drained growing medium after a short period of cold stratification. Keep the soil evenly moist until germination, then gradually reduce watering. Plant in full sun to encourage vigorous growth and exceptional golden autumn color. This hardy native prairie grass tolerates poor soils, becomes drought tolerant once established, and requires very little maintenance. Its upright habit and deep root system make it one of the finest native grasses for naturalization and ecological restoration.

Soil and care

The right conditions.

Exposure Full sun

Soil pH Approximately 5.5 to 7.5

Hardiness zone USDA Zones 3 to 8

Minimum temperature Approximately -40°C

Watering

Regular during establishment; low afterward

Soil type

Loamy to clay, poor to fertile, and well drained

Fertilization

Light spring compost

Seasonal care

In spring, cut dry stems back to approximately 10 to 15 cm before new shoots emerge. Apply a thin layer of compost only when the site is exceptionally poor. During summer, water young clumps through prolonged drought but avoid excessive moisture and rich fertilizer. Remove competing weeds while the plants establish. In autumn, leave mature panicles standing to feed some birds and maintain ornamental interest. During winter, the upright stems protect the crown, trap snow, and shelter insects and small wildlife. Divide overcrowded clumps only when their vigour begins to decline.

Container growing

A controlled environment.

Recommended pot size

30 to 45 cm (12 to 18 in)

Indiangrass can be grown in a large, deep container with excellent drainage. Use a light growing medium enriched with compost and place the container in full sun. This native grass develops an extensive root system and requires little watering once established. Its elegant upright habit brings vertical structure to patios, balconies, and naturalistic container plantings while tolerating drought very well.