Did you know that evergreens are not truly evergreen? Learn why it’s normal to see pines and arborvitaes turn yellow and drop their needles in autumn. We also talk Metasequoia glyptostroboides, a living plant fossil, Temple of Bloom Heptacodium miconioides, seven-son flower, how to get rid of English ivy as well as how to get it to grow, and the salad-eating habits of the average American.