'A typical lawn needs about one inch of water per week, including rainfall,' says Rachel Rothman, chief technologist and executive technical director at the Good Housekeeping Institute. We carefully reviewed this article in June 2023 and replaced our pick for best overall with another top-performing sprinkler in Milner's 4000 series as the XT4200M is currently out of stock.Ī healthy lawn is one of your home’s best assets, but keeping it lush and green requires regular mowing and watering at the very least, especially during the hot summer months.