This Old House landscape contror Roger Cook shows how to water your lawn and garden—automatically. (See below for a shopping list and tools.)\rbr\rbrClick here to SUBSCRIBE to the official This Old House YouTube channel: \rbr\rbrFull : \rbr\rbrHow to Save Water With an Irrigation Timer: \rbr\rbrHow to Install a Graywater Irrigation System: \rbr\rbrHow to Troubleshoot and Repair Weak Drip Irrigation: \rbr\rbrShopping for How to Install In-Ground Sprinklers: \rbr- 1-inch-diameter polyethylene pipe and assorted fittings, for delivering water to the system\rbr- 38-inch-diameter flexible pipe, connects polyethylene pipe to sprinkler spray heads\rbr- pop-up sprinkler spray heads, used to disperse water onto lawn\rbr- hose clamps,] for securing fittings to hose\rbr- battery-powered timer, automatically turns sprinkler system on and off\rbr- 5-gallon bucket, used to determine how many gallons per minute of water comes from hose bib.