Choose a seed-starting mix
Fill seed trays or small pots with moist mix
Sow tomato seeds about 1/4 inch deep
Cover seeds lightly with mix
Water gently to keep soil evenly moist
Place in a warm location
Provide 12 to 16 hours of strong light daily
Keep seedlings close to the light source
Maintain temperatures around 65 to 75°F after germination
Thin to one seedling per cell or pot if needed
Rotate trays regularly for even growth
Water when the top of the soil feels dry
Feed with a diluted balanced fertilizer after true leaves appear
Transplant into larger pots when roots fill the container
Harden off seedlings before moving outdoors
Plant outdoors after all frost risk has passed
Space seedlings properly in the garden
Bury stems deeper when transplanting
Water thoroughly after transplanting