Found this in a local landscape and would like to use it...
Looks like Purple Fountain Grass, which is supposed to be a hybrid I believe. Commonly sold in Ohio as an annual, it is NOT winter hardy in Ohio.
Yeah, I'm looking for perennials... I'll pass.
I've tried all the purple Pennisetums except 'First Knight.' None have survived my very warm zone 7 climate, but 'First Knight' shows possibilities, so I'll try a few next spring. It's supposedly got the deepest darkest purple foliage, and apparently not grown for blooms.