Isabella, or the Pot of Basil (1818) is a narrative poem by John Keats

John Keats

John Keats was an English Romantic poet. Along with Lord Byron and Percy Bysshe Shelley, he was one of the key figures in the second generation of the Romantic movement, despite the fact that his work had been in publication for only four years before his death.Although his poems were not...

 adapted from a story in Boccaccio's Decameron (IV, 5). It tells the tale of a young woman whose family intend to marry her to "some high noble and his olive trees", but who falls for Lorenzo, one of her brothers' employees. When the brothers learn of this they murder Lorenzo and bury his body. His ghost informs Isabella in a dream. She exhumes the body and buries the head in a pot of basil

Basil

Basil, or Sweet Basil, is a common name for the culinary herb Ocimum basilicum , of the family Lamiaceae , sometimes known as Saint Joseph's Wort in some English-speaking countries....

 which she tends obsessively, while pining away.

The poem was a precursor to The Eve of Saint Agnes. Both are set in the middle ages

Middle Ages

The Middle Ages is a periodization of European history from the 5th century to the 15th century. The Middle Ages follows the fall of the Western Roman Empire in 476 and precedes the Early Modern Era. It is the middle period of a three-period division of Western history: Classic, Medieval and Modern...

 and concern passionate and dangerous romances. It was published in 1820 along with the latter work and others.

The poem was popular with Pre-Raphaelite painters, who illustrated several episodes from it - see Isabella (Millais painting)

Isabella (Millais painting)

Isabella , also known as Lorenzo and Isabella, is a painting by John Everett Millais, which was his first work in the Pre-Raphaelite style, created shortly after the formation of the Pre-Raphaelite Brotherhood in the previous year...

; Isabella and the Pot of Basil

Isabella and the Pot of Basil

Isabella and the Pot of Basil is a painting completed in 1868 by William Holman Hunt depicting a scene from John Keats's poem of the same name...

. Frank Bridge

Frank Bridge

Frank Bridge was an English composer and violist.-Life:Bridge was born in Brighton and studied at the Royal College of Music in London from 1899 to 1903 under Charles Villiers Stanford and others...

 also wrote a symphonic poem

Symphonic poem

A symphonic poem or tone poem is a piece of orchestral music in a single continuous section in which the content of a poem, a story or novel, a painting, a landscape or another source is illustrated or evoked. The term was first applied by Hungarian composer Franz Liszt to his 13 works in this vein...

of the same name in 1907.