Rubrum' is a frost hardy, clump-forming, deciduous, perennial grass, with long, upright to arching, flat or rolled, maroon to dark red leaves, flushed green in spring. Narrow, nodding panicles of long-bristled, reddish-purple flower spikelets bloom from midsummer into autumn. H&S: 1.5 x 1.2m. Full Sun.