Is Shenandoah switchgrass invasive?
‘Shenandoah’ switchgrass is an excellent upright non-invasive (Zone 5) drought-tolerant grass. Its useful structural foliage will withstand the snows of winter. I have ‘Shenandoah’ growing in sandy soil of a 4 ft.
Does Panicum virgatum spread?
Switchgrass (Panicum virgatum) is a native, warm season grass that is an excellent replacement for invasive Chinese silvergrass (Miscanthus sinensis). This large, bunching grass grows 3-7 feet high and has a 2-3 foot spread.
How tall does Shenandoah switchgrass grow?
5 feet tall
The Shenandoah switch grass grows up to 5 feet tall, and it will spread out to a width of 3 feet. Its feathery panicles rise about 1 to 2 inches above the foliage. Those flowers range in color from red to pink. The red seed heads continue to boost the color of your landscape into the mid-fall season.
When should I prune Shenandoah grass?
Prune back this grass to the ground in late winter or early spring before new growth emerges for a clean start and a fresh looking plant. Shenandoah Switch Grass is extremely hardy as well as pest and disease resistant.
How fast does Shenandoah switchgrass grow?
A very slow grower maybe 2 inches in three months, but is still green. planted a dwarf pampas grass and has grown 4 feet in 3 months,so just need a little patience.
How do you prune Shenandoah switchgrass?
Shear down the dead top foliage in winter after the first hard frost or leave the drying grass in pace to provide visual interest in the garden during winter. Cut back all of the dead grass in the early spring down to the crown to make way for fresh green growth. Discard or compost the cuttings.
Do you prune Panicum virgatum?
The clumps can be left standing through the winter and cut back to a few inches from the ground in early spring before growth resumes. This species has almost no insect or disease problems and rarely needs fertilizer. They do best when divided every three years.
Does switchgrass reseed itself?
Depending on where you live, switchgrass most likely won’t flower (form a seed head) until its second year. It also won’t get very tall. But don’t let that fool you. By the third year, as long as you’ve properly managed the site, you will have a robust stand!
What can I plant with Shenandoah switchgrass?
COMPANION & UNDERSTUDY PLANTS: Try pairing Panicum virgatum ‘Shenandoah’ with Aster laevis ‘Bluebird’, Aster oblongifolius ‘Raydon’s Favorite’, Echinacea purpurea, Rudbeckia fulgida var. fulgida, Solidago rugosa ‘Fireworks’ or Schizachyrium scoparium ‘Standing Ovation’.
How do you take care of Shenandoah grass?
Panicum virgatum ‘Shenandoah’ CareGrow in full sun and moist, well-drained soil. Cut back to the ground in late winter or early spring. PropagationDivide plants in spring or early summer, or start seeds at 55-64°F in spring. ProblemsNothing serious.
How do you prune Shenandoah switch grass?
Switch grasses grow best in full sun but will tolerate some light shade. Too much shade and plants will become floppy. Very easy to maintain, all you have to do is cut the clumps back to the ground in late winter, before new growth begins to emerge. Cut back clumps to the ground in late winter to early spring.
Will switchgrass grow in wet areas?
Switchgrass (Panicum virgatum) is a perennial, warm season grass nafive to most of the eastern United States. It is drought and salt tolerant, needs little to no ferfilizer and does well in shallow, wet soils. Its long roots improve soil and water quality by absorbing nutrients and sequestering carbon dioxide.