Jonathan Green Black Beauty Heavy Traffic Grass Seed contains our toughest and most durable turfgrass varieties. With an attractive, dark-green color and roots that grow up to 4-feet deep, this mix is perfect for backyards, sports fields, curb strips or anywhere aggressive ft. traffic from athletes, children and pets occurs. This grass seed mixture excels on sports fields where uniform lawn texture is important, so soccer, football and baseballs bounce true. Black Beauty Heavy Traffic provides the wear tolerance and the uniform good looks that these athletic playing fields require. This seed germinates in 10- 14 days.