Its cooler and winds tend to be calmer so water can soak into the soil and be absorbed by the grass roots before it can evaporate. When watering a new lawn the best way of keeping the seed moist is by lightly sprinkling the seeded area of the lawn at least two to three times a day. Watering New Grass Seed Source By Agreenhand Com Grass Seed Gardening Tips Healthy Garden The soil should not be extremely dry but disease can be a problem when the soil is too damp as well. Best time to water new grass seed . High activity areas will require more water. A few days before planting your new grass seed water the entire area about 6-8 inches deep each day. Watering grass seed is a perfect balancing act. The seeded area will need to stay moist so the grass seed doesnt dry out and die. If you must water in the evening try between 4 and 6 pm. Typically you want to water your grass two times per day once in the early morning and once in the heat of the day. Of water in a rain ...