ATLANTA—One morning this winter, I woke up and smelled the roses. And the petunias. It was a chilly day in early March when I walked into an industrial warehouse behind Suite 900 of an office park, ...

I shopped at my local Lowe's and Home Depot stores to see which had the better selection. The Lowe's I visited seemed better laid out and had a better selection than the Home Depot. This summer, ...