Choose tomato seeds
Fill seed trays or small pots with seed-starting mix
Moisten the soil lightly
Plant seeds about 1/4 inch deep
Cover seeds with a thin layer of soil
Keep soil warm and consistently moist
Place trays in a bright location or under grow lights
Maintain temperatures around 70–80°F for germination
Wait for seedlings to emerge
Remove weak seedlings if needed
Provide 12–16 hours of light daily
Water when the soil surface begins to dry
Transplant seedlings into larger pots when they develop true leaves
Harden off seedlings before moving them outdoors
Plant outdoors after the last frost
Choose a sunny location with well-drained soil
Space plants properly
Water deeply after transplanting
Add support with stakes or cages
Feed plants with a balanced fertilizer as needed
Monitor for pests and diseases
Harvest tomatoes when fully colored and ripe