Newly seeded lawns take 7-14 days to germinate. These areas must be kept moist but not saturated until seed begins to grow.
Weeks 1-2 water every day 3 times a day 10-15 minutes.
Weeks 3-4 water 3 times a day 3 days a week for 10-15 minutes.
Week 5 water 3 days a week once a day for 20 minutes.
Week 6 and on water lawn as normal.