There’s a terrific piece in this morning’s San Francisco Chronicle by Hazel White about how gardens keep us connected to “body time” — that is, how gardening keeps us in tune with earth time, the rhythms of the earth and our bodies, as opposed to “mechanical time” — the kind of clock-driven time that all too often has us running to accomplish things according to some external measure. We fall into “mechanical time” when we allow ourselves to be driven by “shoulds” — when we allow ourselves to be driven by plans we’ve already made and wind up all thrumming…