Growing basil (Ocimum basilicum) is easy and there are over 150 varieties to choose from. Genovese is a sweet basil, which is a favorite for making herb butters, pestos, and Italian dishes. There are purple varieties (Red Rubin, Purple Ruffles, Dark Opal), which are delicious in oils, vinegars, and jellies. Siam Queen has a licorice flavor that is tasty in Thai dishes and Cinnamon basil is perfect for desserts. Lemon and Lime Basils have a citrus scent.