Grains yellowish-brown, smooth. Disturbed sites, roadsides, urban places. These species grow best in areas with mild winters that receive some summer moisture. Plants tolerate periods of drought, light shade, and most soil types, but do not survive prolonged periods of freezing temperatures. Also gardens, landscaped areas, orchards, crop land, turf, forested sites, and occasionally wetland areas.
Plants usually go dormant and turn brown during the cool season where nighttime frosts are common.
Can grow in rock crevices and pavement cracks. Does not tolerate saline conditions. Also pastures, turf, coastal scrub. Often grows on sandy soils. Tolerates saline conditions and mowing.