WIRED ScienceThe Science of Growing a Perfect Christmas Tree
Every winter, millions of Americans descend on farms and lots across the country with the express purpose of inspecting, and ultimately choosing from, their local selection of coniferous evergreen trees. I'm talking, of course, about Christmas tree shopping—the widely practiced pastime of publicly scrutinizing spruces, pines, and firs in search of the ideal yuletide centerpiece. Many people are practiced at picking the perfect tree.
