Succulent Turning Yellow: 9 Causes, Solutions & Best Care Tips

Succulents are a popular choice for indoor and outdoor gardening due to their low maintenance and unique appearance. However, it can be concerning when a succulent begins to turn yellow. While succulent turning yellow can be a natural part of a succulent’s growth cycle, it can also be a sign of a problem that needs to be addressed.

Understanding succulents and their needs is crucial in identifying the cause of yellowing. Succulents are adapted to survive in arid conditions and store water in their leaves and stems.

Overwatering, underwatering, and improper pot size can all cause yellowing. Additionally, factors such as light, soil, and pests can also contribute to succulent yellowing. By understanding these factors, succulent owners can better diagnose and treat the issue.

Key Takeaways:

• Yellowing can be a natural part of a succulent’s growth cycle, but it can also be a sign of a problem.
• Understanding succulent needs, such as watering, light, soil, and pests, is crucial in identifying the cause of yellowing.
• Proper diagnosis and treatment can help maintain healthy succulents and prevent yellowing.

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Understanding Succulents

Succulents are a type of plant that are known for their ability to store water in their leaves, stems, and roots. They are often grown as houseplants and are popular due to their low maintenance requirements and unique appearance.

Succulent plants come in a variety of shapes, sizes, and colors, and are native to arid conditions in regions such as Africa, Madagascar, and the Americas.

One of the key features of succulent plants is their ability to survive in dry conditions. This is due to their specialized leaves, which are thick and fleshy, allowing them to store water for long periods of time. They also have shallow root systems, which allow them to quickly absorb water when it is available.

When it comes to growing succulent plants, it is important to understand their unique characteristics. For example, succulents prefer well-draining soil and do not tolerate standing water.

Overwatering can cause the roots to rot, which can lead to yellowing of the leaves and stem. Underwatering, on the other hand, can cause the leaves to dry out and turn yellow as well.

Another factor to consider when growing succulents is the amount of sunlight they receive. While succulents prefer bright, indirect light, too much direct sunlight can cause the leaves to burn and turn yellow or brown. Similarly, too little light can cause the plant to become weak and leggy, with yellowing leaves.

Common Reasons for Yellowing

Succulents are known for their vibrant and diverse range of colors, but it can be concerning when these plants start turning yellow. There are several reasons why a succulent might turn yellow, and it is important to identify the cause to prevent further damage.

1. Overwatering

Overwatering is one of the most common reasons why succulent leaves turn yellow. When a succulent is overwatered, its roots become waterlogged, and the plant is unable to absorb nutrients properly.

This can lead to a nutrient deficiency, which causes the leaves to turn yellow. In severe cases, overwatering can cause the roots to rot, which can be fatal to the plant.

2. Underwatering

Underwatering is another common reason why succulent leaves turn yellow. When a succulent is not watered enough, it begins to draw nutrients from its leaves, causing them to turn yellow. This is the plant’s way of conserving energy and water.

3. Too Much Sunlight

While succulents naturally prefer bright sunlight, too much sun can cause the leaves to turn yellow. If a succulent is getting direct sunlight for most of the day, it may need to be moved into a shadier location.

4. Lack of Sunlight

On the other hand, if a succulent is not getting enough sunlight, its leaves may also turn yellow. Succulents require at least six hours of sunlight per day to thrive. If a succulent is not getting enough sunlight, it may need to be moved to a sunnier location.

5. Nutrient Deficiency

A nutrient deficiency can also cause succulent leaves to turn yellow. If a succulent is not getting enough of a particular nutrient, its leaves may turn yellow as a result. Common nutrient deficiencies in succulents include nitrogen, phosphorus, and potassium.

6. Pest Infestation

Pests such as mealybugs, aphids, and spider mites can cause a succulent’s leaves to turn yellow by feeding on the plant’s sap and causing damage to the leaves. Inspecting succulents regularly for signs of pests and treating any infestations promptly can help prevent yellowing.

7. Diseases

Certain diseases can also cause succulent leaves to turn yellow. For example, root rot is a fungal disease that can cause a succulent’s leaves to turn yellow and wilt. Treating diseases promptly can help prevent further damage to the plant.

8. Frost

If a succulent is exposed to frost, its leaves may turn yellow and become damaged. Succulents are not cold-hardy plants and should be protected from frost during the winter months.

9. Sunburn

If a succulent is exposed to too much direct sunlight, its leaves may become sunburned and turn yellow. Sunburned leaves may also develop brown or black spots. Providing shade for succulents during the hottest parts of the day can help prevent sunburn.

Watering Needs and Mistakes

1. Overwatering and Underwatering

Succulents are known for their resilience and ability to survive in harsh conditions, including drought. However, overwatering or underwatering can cause the leaves of the succulent to turn yellow. Overwatering can lead to root rot and other diseases, while underwatering can cause the leaves to dry out and eventually fall off.

To avoid overwatering, it is important to ensure that the soil is completely dry before watering the succulent again. Succulents do not need frequent watering, and watering them too often can lead to excess water in the soil, which can cause root rot.

On the other hand, underwatering can be just as harmful to succulents. If a succulent is not watered enough, it may go into a dormant state, which can cause the leaves to turn yellow and eventually fall off.

2. Watering Schedule and Frequency

To prevent overwatering or underwatering, it is important to establish a watering schedule and frequency that works for the specific type of succulent. Some succulents require more water than others, and the frequency of watering can also depend on the climate and environment in which the succulent is growing.

A good rule of thumb for watering succulents is to wait until the soil is completely dry before watering again. This can vary depending on the size of the pot, the type of soil, and the climate. In general, succulents should be watered once every two weeks during the growing season, and once a month during the dormant season.

3. Reduce Watering

If a succulent is turning yellow due to excess water, it is important to reduce watering and allow the soil to dry out completely before watering again. This can help prevent root rot and other diseases that can be caused by overwatering.

4. Lack of Water

If a succulent is turning yellow due to a lack of water, it is important to increase watering and ensure that the soil is moist but not waterlogged. Succulents can go into a dormant state if they are not watered enough, which can cause the leaves to turn yellow and eventually fall off.

Light Requirements and Issues

Succulents are known for their ability to thrive in bright and sunny locations, but they can also be sensitive to the amount of light they receive. In this section, we will discuss the different light requirements for succulents and the issues that can arise when they are not getting the right amount of light.

Too Much Sunlight

While succulents need plenty of light to grow and thrive, too much direct sunlight can be harmful to their leaves. If a succulent is exposed to direct sunlight for too long, it can cause the leaves to turn yellow or brown and become scorched. This can also lead to the plant becoming dehydrated and losing its ability to store water.

If you notice that your succulent is turning yellow or brown and is located in an area with direct sunlight for most of the day, it may be time to move it to a shadier location. You can also use a sheer curtain or shade cloth to filter the light and protect the plant from direct sunlight.

Lack of Sunlight

On the other hand, if a succulent is not getting enough sunlight, it can also cause the leaves to turn yellow or brown. Succulents need plenty of sunlight to produce succulent growths, and without it, they may become pale and weak.

If you notice that your succulent is located in a shadier location and is not getting enough sunlight, it may be time to move it to a brighter location. You can also use artificial light sources, such as grow lights, to provide additional light for your succulent.

Soil and Drainage

Choosing the Right Soil

The type of soil used for succulents is crucial to their growth and overall health. Succulents require well-draining soil that allows excess water to drain away quickly and prevents the roots from sitting in water.

A potting soil that is specifically designed for succulents is the best choice. These soils are typically made up of a well-draining mix of materials such as perlite, sand, and pumice.

It is important to avoid using soils that retain too much moisture, such as heavy garden soil or potting soils designed for other types of plants. These soils can lead to root rot and other problems that can cause the succulent to turn yellow.

Importance of Drainage

In addition to the right soil, proper drainage is also essential for healthy succulents. Containers should have drainage holes to allow excess water to escape. Without proper drainage, water can accumulate in the bottom of the container and cause the roots to rot.

If a container does not have drainage holes, it is important to drill or punch holes in the bottom before planting the succulent. It is also a good idea to place a layer of gravel or small rocks at the bottom of the container to help with drainage.

Poor draining soils can also lead to problems with drainage. If the soil is not well-draining, excess water can accumulate and lead to root rot. It is important to use a well-draining soil mix to prevent this from happening.

Nutrient Needs and Deficiencies

Understanding Nutrient Needs

Succulents have specific nutrient needs that must be met for them to thrive. They require a well-balanced fertilizer that contains the essential nutrients they need to grow. Nitrogen, phosphorus, and potassium are the primary macronutrients that succulents need to grow.

Nitrogen is particularly important for the production of chlorophyll, which is responsible for the green color of the plant.

Succulents also need micronutrients, such as iron, magnesium, and zinc. These nutrients are required in smaller quantities, but they are still essential for the plant’s growth and development. A well-balanced fertilizer will provide all the nutrients that succulents need to thrive.

Recognizing Deficiencies

If a succulent is turning yellow, it may be a sign of a nutrient deficiency. Nitrogen deficiency is a common cause of yellowing in succulents. This can occur if the plant is not getting enough nitrogen from the soil or if it is not being fertilized with a balanced fertilizer.

Iron deficiency can also cause yellowing in succulents. This can occur if the soil pH is too high, which makes it difficult for the plant to absorb iron. Magnesium deficiency can cause yellowing between the veins of the leaves.

This can occur if the plant is not getting enough magnesium from the soil or if it is not being fertilized with a well-balanced fertilizer.

It is important to recognize nutrient deficiencies early so that they can be corrected. Overfeeding can also cause nutrient deficiencies, so it is important to fertilize succulents with a balanced fertilizer according to the instructions on the package.

Pests and Diseases

Identifying Common Pests

Succulents are prone to pest infestations, which can cause yellowing of leaves. The most common pests that attack succulents are mealybugs, aphids, and spider mites. Mealybugs are tiny, white, cotton-like insects that suck the sap from the plant, causing it to wilt and yellow.

Aphids are small, pear-shaped insects that feed on the sap of the plant, causing it to turn yellow and curl. Spider mites are tiny, red or brown-colored insects that spin webs on the plant and suck the sap, causing the leaves to yellow and fall off.

To identify these pests, inspect the plant regularly for any signs of infestation. Look for tiny insects, webbing, or cotton-like substance on the leaves, stems, and soil. Check the undersides of leaves and in between the plant crevices.

Preventing and Treating Diseases

Succulent diseases can also cause the plant to turn yellow. Fungal infections are the most common disease that affects succulents. Overwatering, poor drainage, and high humidity can cause fungal infections. Symptoms of fungal infections include yellowing, wilting, and black spots on the leaves.

To prevent fungal infections, avoid overwatering the plant and ensure proper drainage. Use a well-draining soil mix and avoid using containers that do not have drainage holes. If the plant is already infected, remove the infected parts and treat the plant with an organic fungicide.

Insecticidal soap is an effective treatment for pests infestations. It is a natural and safe way to get rid of pests without harming the plant. Mix the soap with water and spray it on the plant, focusing on the undersides of leaves and in between the crevices. Repeat the treatment every 7-10 days until the infestation is gone.

Root Health and Issues

Understanding Root Health

Root health is a crucial aspect of succulent growth. Healthy roots are essential for the plant to absorb water and nutrients from the soil.

Succulents are adapted to survive in arid environments, which means they have evolved to store water in their leaves and stems. Therefore, they do not need as much water as other plants, and overwatering can lead to root rot.

To ensure root health, it is important to use well-draining soil and pots with drainage holes. Succulents should be watered only when the soil is completely dry.

When watering, it is best to soak the soil thoroughly and then let it dry out completely before watering again. This will prevent the roots from sitting in water for too long, which can lead to root rot.

Recognizing Root Rot

Root rot is a common problem with succulents, and it is caused by overwatering or poor drainage. When the roots are constantly sitting in water, they become waterlogged and start to rot. This can lead to unhealthy growth, yellowing leaves, and even death of the plant.

To recognize root rot, look for signs of unhealthy growth, such as yellowing leaves or soft, mushy roots. If the soil smells sour or moldy, it may also be a sign of root rot.

To fix root rot, it is important to remove the plant from the soil and cut away any rotting roots. The plant should then be repotted in fresh, well-draining soil and watered sparingly until it has had a chance to recover.

Repotting and Container Selection

When and How to Repot

If a succulent plant is turning yellow, it may be time to repot it. Repotting is the process of moving a plant from one container to another. It is necessary when the plant has outgrown its current pot or the soil has become compacted and doesn’t drain well.

The best time to repot a succulent is during the growing season, which is usually in the spring or summer.

To repot a succulent, first, remove the plant from its current container. Gently loosen the soil around the roots and remove any dead or damaged roots. Then, fill the new container with well-draining soil, leaving enough space for the plant to fit comfortably.

Place the plant in the new container and fill the remaining space with soil, pressing down gently to remove any air pockets.

Choosing the Right Container

Choosing the right container for a succulent is essential to its health. The container should be the appropriate size for the plant, not too big or too small. A pot that is too big can hold too much water, leading to overwatering, while a pot that is too small can restrict the growth of the plant.

The material of the container is also important. Succulents prefer containers that are made of porous materials such as clay or terracotta. These materials allow for better drainage and air circulation, which is essential for the health of the plant.

When selecting a container, it is also important to consider the shape and design. Succulents come in a variety of shapes and sizes, so it is important to choose a container that complements the plant’s natural shape. A container that is too ornate or flashy can detract from the beauty of the plant.

Seasonal Care for Succulents

1. Understanding Dormancy

Succulents are known for their ability to survive in harsh environments, and they do so by going dormant during the winter months. During this time, they slow down their growth and conserve their energy. It is important to understand this natural process and adjust your care routine accordingly.

When succulents go dormant, they require less water and fertilizer. It is best to reduce watering to once every two weeks or even once a month. If the soil is still moist, it is not necessary to water at all. During dormancy, succulents also prefer cooler temperatures and less sunlight, so it is best to move them to a shaded area.

2. Adapting to Warmer Climates

In warmer climates, succulents may not go fully dormant, but they will still slow down their growth during the summer months. It is important to provide them with enough water and shade during this time, as they can still become dehydrated and sunburned.

To adapt to warmer climates, it is recommended to water succulents once a week or more frequently if the soil dries out quickly. It is also important to provide them with some shade during the hottest parts of the day, especially if they are in direct sunlight.

3. Protecting from Cold Temperatures

Succulents are sensitive to cold temperatures and can suffer damage or even die if exposed to frost. If you live in an area with cold winters, it is important to take precautions to protect your succulents.

To protect succulents from cold temperatures, it is recommended to move them indoors or to a protected area, such as a greenhouse or covered patio. If this is not possible, you can cover them with a frost cloth or blanket to provide some insulation.

It is also important to reduce watering during cold weather, as succulents are more susceptible to root rot in wet conditions.

Maintaining Healthy Succulents

Succulents are hardy plants that can withstand harsh conditions, but they still require proper care to maintain healthy growth. Here are some tips to keep your succulents thriving:

1. Soil and Potting

Succulents require well-draining soil to prevent root rot. A mixture of sand, peat moss, and perlite is ideal for succulent growth. When potting your succulent, make sure to choose a container with drainage holes to allow excess water to escape. The pot should also be the appropriate size for the plant to prevent wilt.

2. Watering

Overwatering is a common cause of succulent leaves turning yellow. Succulents store water in their leaves and stems, so they do not need frequent watering. Water your succulent only when the soil is dry to the touch. It is better to underwater than overwater your succulent.

3. Sunlight

Succulents require plenty of sunlight to perform photosynthesis and produce energy. However, too much direct sunlight can cause the leaves to turn yellow or brown. Place your succulent in a location with indirect sunlight for several hours a day.

4. Fertilizing

Succulents do not require frequent fertilizing. A slow-release fertilizer formulated for cacti and succulents can be applied once or twice a year during the growing season. Over-fertilizing can cause the leaves to turn yellow or brown.

Frequently Asked Questions