For Georg Kochi, tearing out his Koreatown lawn has been as much about spiritual growth as water conservation — a deep and sometimes playful exploration into habitat, rebirth and decay on the property where he lived as a boy and returned decades later as a retiree.

The parkway in front of his house in St. Andrews Square, for instance, was full of wildflowers this spring, but the colorful flowers have turned into dry, dirty-blond seed heads and stalks interspersed with clouds of blooming buckwheat, juvenile coastal live oak trees and waves of native grasses.