This is a folk song about four herbs: parsley, sage, rosemary, and thyme. It tells the story of two lovers who part ways, with the herbs symbolizing the memories of their time together. The song is a
From Wikipedia
Parsley, or garden parsley, is a species of flowering plant in the family Apiaceae that is native to Greece, the Balkans, Algeria and Morocco. It has been introduced and naturalized in Europe and elsewhere in the world with suitable climates, and is widely cultivated as a herb and a vegetable.