A couple of weeks ago, I gave a presentation at the 2012 Peak to Prairie Landscape Symposium (“So You Think You Want to Convert Your Kentucky Bluegrass Lawn?”). I started off with a discussion of the precipitation and water situation in our area. People were especially interested in my chart with the precipitation for the Apr – Oct growing season (for lawns anyway) for each year over the past twenty years. I was hoping to send people home with the idea that we certainly cannot expect our “average” annual precipitation (approx 16″ with 12″ coming from rain) each year and that they needed to be more active in deciding how and when to water their yards and gardens. And of course, I wanted to nudge them to consider lower water using lawn options.

Precipitation is of HUGE interest to gardeners, and the following chart illustrates the challenge we are up against in our area. (more…)