Common names are layman’s terms for our essential oils and the plants they are extracted from. It would be difficult to have to say, “Tanacetum annuum” every time we wanted to talk about Blue Tansy. Imagine using Latin names for our DIY videos: “Mix Juniperus communis (Juniper Berry) with Elettaria Cardamomum (Cardamom) and Vetiveria zizanioides (Vetiver) . . .” That doesn’t exactly roll off the tongue, does it?