Tomato Plant Leaves Curling Down

Tomato plants are usually bushy and upright, but some leaves on the plant may curl down.

If you’re having trouble getting your tomato plants to produce fruit, check the leaves for signs of curling and address the problem as soon as possible.

Tomato plant leaves curling down when the plant is stressed.

The main cause of this is that the leaves aren’t receiving enough water and nutrients, or they are being attacked by pests or illnesses..

This is the most noticeable in young plants, but it can also be seen in older plants.

Curling down of the leaves may lead to reduced photosynthesis and a decrease in tomato yields.

When held up to a light, lower leaf surfaces frequently curl down, which can be accompanied by browning and wilting.

If the problem is severe, the leaves may fall from the plant.

Curling down of tomato leaves can also be an early sign of tomato hornworm damage. Tomatoes are a type of fruit that is grown all over the world.

Tomatoes are used in a lot of different dishes, and they are especially popular in the United States.

The Tomato Plant Leaves Curling Down- Causes And Solution

Tomato plants usually grow up tall with broad leaves. However, in some cases the leaves on the tomato plant may curl down.

This is a sign that there is something wrong with the plant and needs to be fixed.

Must Read: Best Mulch For Tomatoes in Containers

Causes of Tomato Plant Leaves Curling Down

Tomato plant leaves can curl due to a number of reasons, such as

Lack of Water

Water is essential for plant growth. Without it, leaves may curl down or droop.

But what if you don’t have enough water?

Researchers at the University of California, Davis, found that when tomato plants lack water, they curl their leaves downward to conserve resources.

The curling down of the leaves may help reduce the amount of sunlight the plants receive and ultimately affect their growth and fruit production.

Tomato plants need about 300 ml of water per day, but if there isn’t enough water available, the plants will start to lose water through their leaves.

This causes the leaves to curl downward and eventually die.

Nutrient Deficiency

Tomato plants are known to be sensitive to nutrient deficiency and this can lead to curling down of the leaves.

This is usually due to a lack of important minerals like nitrogen, potassium, and phosphorus.

Poor soil quality can also lead to deficiency.

Tomato plants grown in soil deficient in magnesium will show curling down of the leaves, as well as blossom end rot, stunted growth, and chlorosis.

Magnesium is an important nutrient for both the leaf and stem tissues of tomatoes.

Magnesium deficiencies are more common in areas with high water tables or in soils that are heavy in clay.

Environmental Factors

Environmental factors can be a reason why tomato leaves curl down.

These factors can include: lack of sunlight, high humidity, cold temperatures, and pests.

All of these can cause the leaves to curl down. Environmental factors are a reason of curling down of tomato leaves.

Some researchers say that the decrease in leaf size might be due to the lack of light, while others suggest that the decreased leaf size is a response to environmental stresses such as low water availability or high temperatures.

Also Read: How Does Gardening Help The Environment?

Pest And Disease

Tomato plants are susceptible to pests and diseases.

When the pests and diseases attack the tomato plants, they can cause them to curl down or turn yellow and die.

This is a common problem with tomato crops, and curling down of the leaves is one of the indicators that a tomato plant is affected by a pest or disease.

Tomato leaves curl from the pests or diseases that affect the plant.

Aphids, whiteflies, and thrips are the most prevalent pests and maladies.

Aphids are tiny green insects that love to feed on plants. They can cause tomato leaves to curl and turn yellow.

Whiteflies are small, yellow insects that can also cause problems for tomatoes.

They excrete a sticky substance that can stick to the leaves and lead to them becoming distorted or curled.

What Are The Symptoms Of Tomato Plant Leaves Curling Down?

If you notice that your tomato plant’s leaves are curling down, there are a few symptoms you can look for to determine the cause.

  1. The first is if the plant is getting too much water. If so, you’ll need to reduce the amount of water it’s getting and give it a chance to adjust. If the problem persists, then it may be due to a deficiency in one or more important nutrients. Make sure your tomato plant is getting the right amount of nutrients. If it’s not, you’ll need to purchase a complete fertilizer.
  2. One possibility is that your plant is experiencing a problem with its root system. If the roots are not able to take up water and nutrients properly, the leaves may start to curl.
  3. Additionally, if your tomato plant is getting too much sun or if it is not receiving enough water, the leaves may start to droop.
  4. Check for pests or diseases. The symptoms of the disease are brown or yellow stripes on the leaves, and the leaves may curl inward. The most common culprits are aphids, spider mites, and thrips. Aphids and spider mites secrete a sugary fluid that causes the leaves to curl. Thrips can cause damage by sucking juices from the tomato plant roots.

Also Check This: Why Are My Potato Leaves Curling?

Tomato Plant Leaves Curling Down

Prevention of Tomato Leaf Curl:

There are a few things you can do to help prevent your tomato plant’s leaves from curling.

  • Water thoroughly and deeply every time you water your plants.
  • Fertilize them regularly with a high-nitrogen fertilizer.
  • Prune off diseased or damaged leaves.
  • Don’t allow the soil to become too dry.
  • Make sure that the leaves do not touch each other.

How Can You Prevent Or Fix Tomato Leaves Curling Down?

Leaf curl is a common problem that affects tomato plants. The leaves curl down, and the plant may become stunted and produce fewer tomatoes.

There are several things you can do to prevent or fix leaf curl:

  1. Make sure your tomato plants are getting enough water. Curling leaves may be a sign that the plant is thirsty.
  2. Apply a mulch around your plants to help keep the soil moist.
  3. Feed your plants with a balanced fertilizer, such as 10-10-10, to give them the nutrients they need to stay healthy.
  4. Prune off any diseased or damaged leaves.
  5. Spray your plants with a fungicide if you think they may have leaf curl disease.
  6. If all else fails, you can try planting resistant varieties of tomatoes, such as ‘Patio’.


The best way to deal with tomato leaves curling down is to adjust the watering schedule and use a diluted mixture of epsom salt and water.

Ensure the soil is not too wet or too dry, and avoid using harsh chemicals.

If these methods do not correct the problem, then it is likely that the plant is suffering from a nutrient deficiency and needs to be fertilized.

Keep an eye on your plant and if you see any symptom discuss above, take a quick action.

So, you can prevent your plant from vilt and dying.

I hope this article will help you to deal with tomato plant leaves curling down.