To sow the seeds, fill a flat container with moist seed-starting medium. use a ruler to press shallow rows, Sprinkle seeds into the depressions. Space seeds about 1/2 inch apart. Once all rows are planted, gently scatter more of the seed-starting medium to cover the seeds, When seedlings have grown their second set of leaves, they are ready to be transplanted to individual containers. Add some potting mix to the bottom of a container, Press lightly to firm the soil around the roots. Using a rose on the watering can, soak thoroughly.
Source : Starting from Seeds