Experts and BHG readers answer.
What plant hasextremely upright-growing grass that forms pencil-like tan flower stalks by early summer?
It sounds as though you’re describing feather reed grass (Calamagrostis Yacutiflora). This cool-season clump former grows to 4-6 feet tall and provides an attractive backdrop to flowering annuals and perennials. ‘Karl Foerster’ and ‘Overdam’ are a couple of available cultivars.