Common name:Adagio Eulalia Grass
Botanical name:Miscanthus sinensis 'Adagio'

These deciduous grasses grow from 2'-3' tall, and often turn orange or dark red before going dormant. Tall, showy spikes of feathery, curved seed heads are borne and retained well into the winter or the following spring. It should receive sun to part shade, and average to little summer watering. -Monterey Bay Nursery

Common name:Black Sedge
Botanical name:Carex nigra

This ornamental grass is 0.5-0.75' high x 1-3' wide and has dark blue/green to blue/gray foliage that has a powdery white underside. It has black flowers and seed heads that look attractive but are not showy.