Wonderful cottage garden addition Airy foliage makes a nice complement to broader-leaved plants Succession plant for all-season color Nigella damascena, known as Love in a Mist Persian Jewels Indigo Blue, is a beautiful flowering plant native to southern Europe, North Africa, and Asia. Delicate, fern-like foliage supports unique, showy flowers in a deep indigo color. Its petals have a distinctive, spiky appearance that makes them stand out in the garden. Love in a Mist Persian Jewels Indigo Blue is a well-known annual, updated with a modern, deep and dark indigo spin.