hardy pampas grass Saccharum ravennae (formerly Erianthus ravennae) Type:grassesPerennials Notable Traits:outstanding winter interest Hardiness:Zone 5 – 10 Mature Height:8-10ft Light:part to full sun (6 hours or more sun) Water:drought tolerant Bloom Color:white Bloom Shape:plume Bloom Time:summer Foliage:green Description Showy plumes tower 8-10′ tall in summer. An excellent instant privacy planting especially useful between evergreens as they grow and fill out a landscape screen.