It’s Christmastime, and the symbols of the season are everywhere. Christmas plants include numerous conifer species, poinsettia, mistletoe, and holly. Species-wise, poinsettia is the most popular during the holidays with more than 70 million sold per year. This spectacular red-and-green seasonal wonder is, economically, America’s most important potted plant and the United States is the world’s most important producer.
[time-brightcove not-tgx=”true”]It wasn’t always this way. How did...