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Northwest Blooms · Perennials

Panicum virgatum 'Shenandoah'

Shenandoah Switchgrass

Panicum virgatum 'Shenandoah'
Family
Poaceae
Height
36–48 inches
Width
18–24 inches
Flower color
Pinkish flower panicles
Foliage color
Deep green leaves with red tips in mid-summer, transitioning darker red in the fall
Bloom time
Late summer to early fall
Light
Full sun
Water
Dry to average moisture; drought-tolerant once established
Maintenance
Low; cut back in early spring
Growing zone
USDA zones 4–9
Wildlife
Attracts birds and butterflies; deer-resistant

About this plant

Panicum virgatum 'Shenandoah' is an ornamental grass with reddish-bronze foliage. The narrow, green leaves gradually develop rich red tones throughout the growing season, with the color intensifying in late summer and fall. The plant also produces feathery, airy flower panicles in late summer to early fall that darken with age, adding texture and movement to the landscape.

This switchgrass variety thrives in well-drained, fertile soil and full sun. It forms an open, airy mound with a slightly arching habit, creating a graceful, naturalistic appearance. 'Shenandoah' is ideal for borders, meadows, and mixed plantings where it can be appreciated for its relaxed form and vibrant color. Once established, it is low-maintenance and drought-tolerant, requiring minimal care beyond occasional watering during dry spells.

Works well in

Borders · Sun Gardens · Pollinator Gardens · Bird Gardens · Waterwise Gardens

Companion plants

Yarrow · Garden phlox · Black-eyed Susans · Daylilies · Lavender · Coreopsis

Design tip

Fall bloom is its strength, and it earns a place near a path or seating area used late in the year. Give it open sun and room to fill out, and repeat it in threes or fives so the planting reads as one sweep instead of scattered dots.

Where to see it

This plant can be seen at the Center for Urban Horticulture.