Jonathan Green Black Beauty Ultra grass seed mixture combines our most elite Black Beauty tall fescue seed varieties with our best Kentucky bluegrass to fill in bare spots quickly and invigorate worn-out lawns. Black Beauty Ultra also contains premium perennial ryegrass for fast germination and wear tolerance in lawns that experience heavy traffic. The Black Beauty Ultra seed grows naturally dark green turf and is most similar to the Black Beauty seed mixtures that sod growers purchase from us to grow high-quality sod within one year. This seed germinates in 7-14 days.