This grower is not too sure of this plant identification.
This is a cortaderia, but I am unsure of the variety. Possibly a smaller form than the usual giant type.
Pampas grass, Toe toe
Cortaderia richardii (Pampas grass). A course tall perennial grass native to South America, NZ & New Guinea. Foliage is very showy and plumy. The leaves are crowded at the base.
Italics = data drawn from parent genus or speciesView Full Plant Finder Record