Absinthe "the holy trinity." Many other herbs may be used as well, such as petite wormwood ("Artemisia pontica" or Roman wormwood), hyssop, melissa, star anise, angelica, peppermint, coriander, and veronica. Adding to absinthe's negative reputation in the late 19th and early 20th centuries, unscrupulous makers of the drink omitted the traditional colouring phase of production in favour of adding toxic copper salts to artificially induce a green tint. This practice may be responsible for some of the alleged toxicity historically associated with this beverage. Many modern day producers resort to similar (but non-deadly) shortcuts, including the use of artificial food colouring
Agastache foeniculum Agastache foeniculum Agastache foeniculum (blue giant hyssop; syn. Agastache anethiodora (Nutt.) Britton), commonly called anise hyssop, blue giant hyssop, Fragrant giant hyssop, or the lavender giant hyssop, is a species of perennial plant in the mint family, (Lamiaceae). This plant is native to much of north-central and northern North America, notably the Great Plains and other prairies, and can be found in areas of Canada. It is tolerant of deer and drought, and also attracts hummingbirds and butterflies making it an attractive selection for gardeners. Anise hyssop is in the same family as hyssop (the mint family Lamiaceae), but they