Place two or three seeds into each small container or each cell of a seed starter. Cover the seed with about 1/4" of soil and gently firm it over the seeds. Water to ensure good seed-to-mix contact. You can use a plant mister or just dribble a stream of water over the top.
It takes around six to eight weeks to grow tomatoes from seed to plantable seedlings. Start seeds indoors for best results. In 5 to 12 days your tomato seeds should germinate. Germination is best in warm temperatures (68° to 75° Fahrenheit (20-24° Celcius)).