SMALL YARDS: One reason that Orange County residents are sacrificing their yards to make room for ever-bigger homes on ever-smaller lots (D1) may be that gardening is less popular locally than elsewhere. . . . People here are 8% less likely to list gardening as a favorite activity than the national average. . . . In general, residents embrace such “good life” activities as real estate investments, foreign travel and collecting wine, while shunning such pursuits as automotive work, crafts, sewing--and gardening.