Herbs and Essential Oils were Used in the biblical time for many different situations but mostly for healing, incense and prayers.
“Along the bank of the river, on this side and that, will grow all kinds of trees used for food; their leaves will not wither, and their fruit will not fail. They will bear fruit every month, because their water flows from the sanctuary. Their fruit will be for food, and their leaves for medicine. Ezekiel 47:12 “