Left at the soil surface they can quickly dry out and this can cause germination failure. To compensate for this, we recommend that you first sow the seeds on the surface of overly moist soil. Let an hour pass to allow that excess water to dissolve the mucilage, then cover them lightly with enough soil to cover seeds and tamp them down well. Keep the soil moist until germination. Use humidity domes or clear plastic bags to maintain moisture and humidity.
Basils are best grow in full sun in moist rich soil.
They also do well as potted plants grown indoors. Basil, Mammoth Extra large leaf pesto variety. Basil, Purple Pretty purple leaves, sweet flavor. Basil, Sweet Italian Large leaf variety. Height 1-2 feet.