ANSWER: Do not water the leaves of your tomato plants, and be especially careful to avoid splashing water droplets onto their foliage when the sun is hot.Instead, water your tomato plants at the base, in a circle around the stem of the plant. How Much Should You Water Tomato Plants Every Day?. If you’ve ever seen little brown marks on your tomato leaves, it could be from water on the leaves. Read more about Tomatoes. These are just terracotta pots sunk into the compost and filled with water. However, when grown in pots/containers, tomato plants can only access whatever water is immediately in the pot. During sweltering summer days or hot and windy days, you might have to water plants twice a day. If you grow your tomato plants in smaller containers, then you need to keep watering them well throughout. Tomato plants thrive in full sun in humus-rich, well-drained soil with a pH between 6.0 and 6.8. One way I avoid getting the leaves wet is by watering my tomatoes with a DIY Olla. As temperatures increase, you might need to water tomato plants twice a day. First off, know that there’s no exact formula as to how often you should water your tomato plants. The plant cannot survive without a deep root system. Container Tomato Plants. Early in the growing season, watering plants daily in the morning. Just like with too much water, if your tomato plant is underwatered, the leaves will wilt and turn yellow when the plant needs water. Garden tomatoes typically require 1-2 inches of water a week. How often do you water tomatoes in pots? If your plants are receiving inconsistent watering, tomato fruits can crack or split. If a tomato plant receives too little water, the plant will wilt and weaken, and the tomatoes could develop blossom end rot. Now that you know how often should you water tomato plants and how much water tomato plants need, you can water tomatoes in your garden with confidence and enjoy the fruits of your labor. If you are consistently checking the pots, you will know when to water the plant. This article was last updated on 08/11/19. This is something that you’ll need to work out based on experience. Pro Tip 2: Water Your Tomato Plants Regularly. … A good rule of thumb for containers is to water until water runs freely […] As temperatures increase, you might need to water tomato plants twice a day. Water the container until water drips from the bottom. Tomato plants grown in containers need more water than garden tomatoes. In summer, watering outdoor potted plants is necessary daily (and even twice a day) for most species, especially when temperatures reach over 85 degrees F. (29 C.). Once the soil is dry an inch below the surface, water again. Planted in the ground, their large root systems and mychorrhizal fungi partners can source water from a large growing radius. Should you water tomato plants everyday? QUESTION: Should I water the leaves of my tomato plants?. How Often to Water Potted Plants. Garden tomatoes typically require 1-2 inches of water a week. Factors such as weather conditions, soil conditions, and type of plant, play a role in determining the water requirements of tomato plants. Early in the growing season, watering plants daily in the morning. Also, if you're growing tomato plants in containers, be aware that they need more water. In the intense heat of summer, tomato plants need lots of water – and they need consistent water. All you need to do is regularly … Container plants require more water than garden plants, as they heat up the soil and cause water to evaporate faster. Printer Friendly Version. Watering the garden If a tomato plant is marked by the nursery as a variety that is suitable for container gardening, then chances are you will need to water it evenly throughout the grow season. The frequency depends upon the species. Water seeps through the pots and feeds the plant roots directly. 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