Most farmers live regimented lives: strict schedules, automated watering, neat and tidy rows of crops. At his plot in Central Phoenix, urban farmer Greg Peterson takes a looser approach. “This is very much a forest growing here, and nobody heavily manages a forest. I just kind of let things go,” Peterson says. This month marks Peterson’s 20th annual fruit tree education program (September 7, November 1-2) and the fifth year of The Great American Seed Up (September 27-28, urbanfarm.org), a seed exchange he co-founded to “instill food into our landscapes.” He let us peep his farm tools.