Hello Gardeners, I’m Amanda McNulty with Clemson Extension and Making It Grow . Although our eastern American mistletoe does do harm to our urban trees and our timber industry, the fact that it can only grow on hardwoods spares our pine plantations, and its seeds must be spread by animals. Out west, however, dwarf mistletoe species, in the genus Arceuthobium, grow and parasitize certain conifers including pines. And their ripe fruits actually develop hydrostatic pressure and forcibly eject the