Sweet Basil Seeds Herb (Organic) 100+ Seeds Upc 643451294903 +2 Free Plant Markers Organic. Sweet basil is ideal for tomato sauces, pestos and salads. 100+ Seeds. Basil is in global demand as a key ingredient in many ethnic cuisines, most notably Italian pesto and Thai cuisine. Some varieties are also grown ornamentally or for use as cut flowers. Just sow basil plant seeds evenly by covering them with about  of an inch of soil. Keep the soil moist and make sure you remove any weeds. The growing basil seeds should germinate within a week. The seedling can be recognized by D-shaped seed leaves that will have the flat sides facing toward each other. Try it as a flavorful garnish for sweet dishes. Green, 2" long leaves have a spicy, anise-clove flavor.