Agrostis stolonifera is a cool-season perennial grass with a near-continental range across the United States, colonizing moist disturbed ground through a vigorous combination of rhizomes, stolons, and seed. Left to grow freely it can reach 3 feet, with summer flower spikes touched in soft lavender-purple. It stays green through summer heat, providing useful forage for large animals, and creates enough cover density to shelter small mammals and ground-nesting birds. In mild winters it holds its color; in harder climates it hardens off in late autumn and turns brown until spring.

In managed settings, creeping bentgrass is best known as the turf of choice for golf course putting greens, mowed to a half-inch or less. That level of precision requires consistent fertilization, topdressing, and fungicide treatment — dollar spot, brown patch, and pythium are the recurring concerns. As a lawn grass it can become a persistent weed in fescue turf, spreading aggressively through its runners. It does best in well-drained loamy soil, tolerates periodic flooding and moderate salinity, and is hardy from zone 3 through 6.