Ocimum basilicum (Genovese Basil) Genovese basil is a popular cultivar of Ocimum basilicum (sweet basil), widely used in culinary dishes such as pesto, the traditional Genoese sauce. This annual plant should be spaced in an 18-inch circle. Five plants will provide enough basil for fresh pesto and for freezing to use throughout the winter. Best suited for Zones 6-10. Plant Characteristics: Disease Resistance: Excellent Drought Tolerance: Good Heat Tolerance: Excellent Humidity Tolerance: Excellent Sun Tolerance: Excellent Wet Soil Tolerance: Poor No Spray: Excellent Salt Tolerance: Good Fresh for Kids: Good Thorns: None Soil Type: Well Drained Edible Type: Leaf This information is accurate to the best of our knowledge. Comments and feedback are always welcome!