If it’s not raining about an inch (2.5 cm) per week, soak tomato plants thoroughly once every five to seven days, depending on weather and soil type.

Unfortunately, too much water or too little water can both be the problem, so it’s best to just try to do it right. Improper watering is one of the most common causes of yellow tomato leaves. Identify the problem and apply the solution to grow healthy, productive tomato plants. Luckily, a lot of them are easily fixable. Yellow leaves on tomato plants can be frustrating, and there are a number of possible causes. If you have tomato leaves turning yellow, it first helps to know what these plants need to grow and thrive: Read on to learn about the most common reasons for those yellow tomato leaves, and what you can do about it. Help! My tomato plants are turning yellow! There are several possible reasons for leaves on tomato plants and tomato seedlings to turn yellow, and getting to the right answer requires careful consideration and sometimes a bit of trial and error.

Download cut worms on tomatoes