This grower is sure of this plant identification.
Stipa tenuissima plugs, (plugs shown in the centre of the photo) grown from seed Spring 2017.
Spear grass, Feather grass, Needle grass
Stipa tenuissima (Spear grass). There are about 300 species of tufted perennials, which are grown for there tall flowering spikes with large feathery panicles. Each flowering head comprises of spikelets, with one or more florets, that are covered with glumes or scales. The leaves are narrow and entire.
You can plant in full sun in well-drained soil.
Italics = data drawn from parent genus or speciesView Full Plant Finder Record