My favorite colors are red and orange. But there is a color that has crept into my life that I have to admit I sort of love, and it’s turned me into a hosta lover at the same time. That color is chartreuse, and my new favorite hosta is this one: I have a confession to make. I have never really liked hostas. When we lived in Marietta, Georgia, hostas lined the back of our house, from the back door to the driveway. These plants that are...