In one of the most horrific incidents of violence against civilians during the Vietnam War, a company of American soldiers brutally killed the majority of the population of the South Vietnamese hamlet of My Lai in March 1968.
Water the grass seed for 5 to 10 minutes immediately after seeding. Set the sprinkler timer to water the grass seed 5 to 10 minutes three times a day, beginning before sunrise and ending in midafternoon.
While that is the ultimate end, you must tend to your new grass seed in the meantime. Depending upon the type of grass seed you plant, it can take anywhere from five to thirty days to germinate, but in order for that to happen it must be properly watered. Water your grass seed early in the morning, at mid-day and in the evening. Set your garden hose to the Mist setting on the spray nozzle.