The Pot of Basil may refer to a story in The Decameron or works inspired by it:
An important item in the fifth story on the fourth day; see Summary of Decameron tales#Fourth day Isabella, or the Pot of Basil, 1818 poem by John Keats Isabella and the Pot of Basil, 1868 painting by William Holman Hunt Isabella (Millais painting), 1849 painting by John Everett Millais