Gertens Panicum Switchgrass

Since 'Shenandoah' has a spread of about 32 inches, you should space them at least 3 feet apart on center if you want individual clumps to remain distinct. For a solid, continuous hedge or mass planting effect, you can space them slightly closer, around 24 to 30 inches apart.

Yes, it is best to cut the foliage back to about 4 to 6 inches in late winter or very early spring before new growth begins. This keeps the plant tidy and encourages healthy, vigorous growth for the upcoming season.

This variety is hardy in zones 4 through 8, meaning it is well-adapted to cold winters. As long as you are within these zones, it will return reliably each spring.

While it can tolerate partial shade, 'Shenandoah' performs best and develops the most intense burgundy color when planted in full sun. If it is grown in too much shade, the foliage will stay greener and may not develop its signature red tones.

No, 'Shenandoah' is a cultivar of native switchgrass and is generally well-behaved in the garden. It forms a dense, clumping habit rather than spreading aggressively by underground runners.

Once it is established in your garden, this switchgrass is quite adaptable and drought-tolerant. You will only need to provide supplemental water during extended dry spells or extreme heat.