The perfect lawn has met its match. Homeowners, in the ever-expanding quest to save money—and water—are trading in clipped hedges and putting-green turf for landscaping that is much closer to ...

VAVA’U, TONGA—You don’t mess with gardeners. They have patience and persistence. A case in point in Haniteli Fa’anunu. When he was eight, Haniteli was given land near his village on ...