Orange Marigold (calendula) petals are obtained from the same species as yellow calendula – C. officinalis, the species name given to plants designated as being “of the officina,” or the apothecary of medieval monasteries where monks prepared herbal formulas for the sick and injured. Whole orange calendula flowers are a colorful and flavorful addition to tea blends, soups, salads, quiche and many other foods and beverages. Orange calendula flowers ae also an excellent cosmetic ingredient with an abundance of skin-loving chemical compounds.