Another very common question asked. Answer : You want to water your lawn when it needs it. This is determined by what type of soil was used when your lawn was installed. You can’t rely on how often your neighbor waters their lawn because they could have completely different soil. An easy test to check your grass for resiliency: if you walk across your lawn and the grass lays flat (doesn’t pop back up), then you need to water. It most likely will start to turn a bluish gray color also around this time. Remember longer infrequent watering is better than frequent short watering. This allows your grass roots to grow deep and strong.