Tomatoes generally take between 60 to 100 days to grow and be ready for harvest after transplanting seedlings into the garden, depending on the variety and growing conditions

. The growth process can be broken down into several stages with approximate durations:

• Germination: 6 to 8 days for seeds to sprout above the soil

• Early Growth/Seedling Stage: 2 to 5 weeks for true leaves and roots to develop

• Vegetative Growth: 3 to 6 weeks during which vines lengthen and foliage grows

• Flowering: About 2 to 3 weeks when yellow flowers appear and open

• Pollination: Occurs throughout flowering, critical for fruit set

• Fruit Formation: 3 to 5 weeks for small green fruits to develop and grow

• Ripening: 2 to 3 weeks for fruits to develop color and mature

In total, from transplanting seedlings to ripe fruit, the timeline is roughly 60 to 100 days, though some tomatoes grown outdoors may take up to 90-140 days

. Environmental factors such as temperature, sunlight, water availability, and pollination success significantly influence growth speed and yield

. Thus, if you start tomato seeds indoors, expect about 2 to 3 weeks before transplanting, then another 2 to 3 months until harvest under good conditions