Pennington 100082871 Zenith Zoysia Grass Seed & Mulch, 5 LbA combination of Zenith Zoysia grass seed and BIO 170 natural mulch. A self spreading grass, Zoysia grows well in full sun, has improved cold tolerance and stays green longer into the fall season. BIO 170 natural mulch improves spreadability and allows for a more accurate application. BIO 170 natural mulch granules are 100% biodegradable. Size : 5 lb Spreading, sun loving grass that stays green later into fall compared to other Zoysia varieties