Species

Panicum virgatumSwitchgrass

11 other cultivars

grassN. America Native

Rotstrahlbusch Switchgrass

Panicum virgatum 'Rotstrahlbusch'

The Story

Plant Bio

Panicum virgatum 'Rotstrahlbusch' is a perennial ornamental grass featuring upright, airy stems with finely textured green leaves and distinctive reddish-tinged seed heads that sway gracefully in the breeze.

This cultivar is prized for its striking, fiery red autumn foliage and robust, drought-tolerant nature, making it an excellent choice for low-maintenance, ornamental landscaping.

Uses & Benefits:

Adds texture and movement with its feathery plumes, especially in late summer and fall.

Drought-tolerant, requiring minimal watering once established.

Provides habitat and food for native birds and insects.

SpeciesPanicum virgatumSwitchgrass

Essentials

At a Glance

Plant Type

Grass

Height

48 inches

Width

24 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

Moderate once established

Humidity

Average

Lifespan

Perennial

Native To

North America

Toxicity

Non-toxic

Bloom period

Mid-summer – Late fall

In flower about 5 months of the year

Planting

How to Grow

Select a sunny location with well-drained soil.
Tuck seeds or divisions into prepared soil in early spring.
Mist cuttings regularly to maintain moisture during establishment.
Water consistently during the first growing season.
Mulch around the base to conserve moisture and suppress weeds.
Manage growth with light pruning in late winter.

Pro Tip

Ensure good drainage and avoid overwatering for healthy growth.

Keep It Thriving

Care Guide

Do

Water during dry spells 🌱
Prune dead foliage in late winter
Divide clumps every 3-4 years

Don't

Avoid overwatering ❌
Don’t fertilize excessively
Never cut back in late summer

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Divide
Plant
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Silver‑foliaged hedgeWildflower meadow borderGraceful accent in prairie garden

Companion Plants

Purple coneflower Little bluestem Black-eyed Susan CoreopsisSwitchgrass

Multiply

Propagation Methods

Good to Know

Common Questions

Rotstrahlbusch Switchgrass questions

What zones can Rotstrahlbusch Switchgrass grow in?

Rotstrahlbusch Switchgrass is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Rotstrahlbusch Switchgrass deer resistant?

Not reliably. Deer may browse Rotstrahlbusch Switchgrass, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Rotstrahlbusch Switchgrass bloom?

Rotstrahlbusch Switchgrass typically blooms in mid-summer through late fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Rotstrahlbusch Switchgrass need full sun?

Rotstrahlbusch Switchgrass does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Rotstrahlbusch Switchgrass drought tolerant?

Yes — once established (usually after the first full season), Rotstrahlbusch Switchgrass handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.