'Fireworks' Pennisetum (Pennisetum setaceum 'Fireworks') is a vibrant, heat-tolerant ornamental grass known for its burgundy, pink, and white striped foliage and feathery plumes. It grows 2–4 feet tall, thrives in full sun, is drought-tolerant, and is often used as a colorful, low-maintenance annual in cooler climates or a perennial in zones 9–11