The general rule of thumb is to provide around 1 inch (2.5 centimeters) of water per week. However, this can vary depending on soil type, climate, and the.
At three to 12 weeks, you should be able to water every two to three days. Once your plants have crossed the 12-week threshold, a good watering once per week.
Generally, marigolds need between 1.5 to 2 inches of water per week. Err on the higher side for potted marigolds. Planted versions won't need the full 2 inches.
Garlic plants like to have a consistent supply of moisture throughout the growing season. In general, this means about 1 inch of rain or irrigation per week.