Should you reside in a more tropical climate, like USDA zones 9 through 11, you'll need to go with varieties like Thai basil (Ocimum basilicum var. thyrsiflora) or Genovese basil (Ocimum basilicum ...
Crossed with the purple O. basilicum ‘Dark Opal’, African blue basil is born: Ocimum kilimandscharicum x basilicum. Its white ...