A Color Cornucopia of Orchids There are a couple of times throughout the year when an innocent walk through a garden center at the local home improvement store, Walmart, or even grocery store, becomes an exercise in self-restraint and willpower -- for me, that time is orchid season. When fresh orchids are delivered and prominently displayed in garden centers everywhere, it can feel like walking through an art museum - or a gauntlet designed to test the willpower - impossible to just pass by without stopping, gawking at, and sometimes, buying one of these all natural "works of art."  Dendrobiums and phalaenopsises of every color jockey for attention, hanging out…