Where No Plant Has Gone Before

In the arid desert expanse of Arizona, Harold Parker tended to a garden that seemed perpetually on the brink of withering away. Water was a scarce commodity, and the unforgiving sun sapped the nutrients from the thirsty soil. Yet, Harold persisted, raking away the desiccated remnants of scrub bushes and tumbleweeds that had accumulated overnight.On this particular morning, as the first rays of daw...