Love-in-a-mist, Nigella damascena, Detail of blue coloured flowers growing outdoor.

Love-in-a-mist, Nigella damascena, Detail of purple coloured seedhead growing outdoor.

Love-in-a-mist, Nigella damascena, Detail of bliue coloured flowers growing outdoor.

Love-in-a-mist, Nigella damascena, Detail of bliue coloured flowers growing outdoor.

Love-in-a-mist, Nigella damascena, Detail of bliue coloured flowers growing outdoor.

Devil's trumpet, Datura metel, White trumpet shaped flower growing outdoor.

Devil's trumpet, Datura metel, White trumpet shaped flower growing outdoor.

Field of Hillside Daisies, Monolopia lanceolata, and blue Devil's Lettuce or Fiddleneck, Amsinckia tessellata, Carrizo Plain National Monument, California, USA.

Close up of Devil's Lettuce or Fiddleneck, Amsinckia tessellata, and purple Fremont's Phacelia, Pacelia fremontii, Carrizo Plain National Monument, California, USA.

Devil's Lettuce or Fiddleneck, Amsinckia tessellata, and purple Fremont's Phacelia, Pacelia fremontii, Carrizo Plain National Monument, California, USA.

Nigella, Nigella damascena, Close up of blue coloured flower growing outdoor.

Devil's bit, Succisella inflexa 'Frosted pearls', Small delicate white flowers growing outdoor.