Tomato plants require different watering frequencies depending on their growth stage, environment, and whether they are in containers or in the ground.

• Newly planted tomatoes: Water daily for the first week to 10 days to keep the soil moist and help roots establish

• Established young plants: After the first week, reduce watering to about 1 to 1.5 inches of water per week, typically watering 1 to 2 times per week for in-ground plants

• Mature tomato plants: Generally need about 1 to 2 inches of water weekly, which may mean watering 3 to 4 times per week depending on rainfall and temperature. For fruiting plants, maintain this schedule but reduce water volume slightly to avoid issues like blossom end rot

• Tomatoes in containers: Require more frequent watering, often daily or even multiple times a day in hot, dry conditions, because pots dry out faster

• General guidelines: Water slowly and deeply at the soil level, preferably in the morning to allow leaves to dry and reduce disease risk. Avoid watering leaves directly

• Adjust based on climate and soil: Hot, dry weather and sandy soils require more frequent watering; cooler or humid climates and clay soils require less frequent watering

In summary, water tomato plants daily initially, then reduce to 1–4 times per week depending on maturity and conditions, ensuring about 1 to 2 inches of water weekly for in-ground plants, and more frequent watering for container plants