One of the more popular perennial grasses that is not hardy in this area is purple fountain grass (Pennisetum setaceum 'Rubrum'). This fast-growing grass makes it a good plant to use as an annual.

Best in zones 3-8. Purple fountain grass (Pennisetum setaceum ‘Purpureum’) is an ornamental grass for people who normally ...

"It develops dusty purple plumes ... Low-maintenance fountain grass can thrive without additional fertilizer applications, though mulching is helpful. "Pennisetum does not need fertilizer and ...

Gardeners interested in something with a little more pizazz should consider Pennisetum ... true fountain grass habit. This plant produces waves of gracefully nodding, soft-purple plumes during ...