Cyclamen Turning Yellow: 5 Causes, Solutions & Best Care Tips

Cyclamen is a beautiful flowering plant that is popular for its vibrant colors and ability to bloom in the winter months. However, if you notice your cyclamen leaves turning yellow, it can be a cause for concern.

Your cyclamen turning yellow can be a sign of various issues, including watering problems, temperature and climate factors, lighting conditions, nutrient deficiencies, pests, and diseases.

Understanding cyclamen and its needs is crucial to prevent yellowing leaves. Cyclamen thrives in cool temperatures and moderate moisture levels. Overwatering or underwatering can cause the leaves to turn yellow.

Additionally, cyclamen prefers bright, indirect light and well-draining soil. Nutrient deficiencies, such as a lack of nitrogen or iron, can also cause yellowing leaves. Identifying the cause of yellowing leaves is the first step in resolving the issue and ensuring the health of your cyclamen plant.

Key Takeaways on Cyclamen Turning Yellow

• Understanding cyclamen and its needs is crucial to prevent yellowing leaves.
• Yellowing leaves can be a sign of various issues, including watering problems, temperature and climate factors, lighting conditions, nutrient deficiencies, pests, and diseases.
• Identifying the cause of yellowing leaves is the first step in resolving the issue and ensuring the health of your cyclamen plant.

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Understanding Cyclamen

Cyclamen is a genus of flowering plants in the family Primulaceae, commonly known as cyclamens. The most popular species is Cyclamen persicum, also known as Persian cyclamen. Cyclamens are native to the Mediterranean region, where they grow in cool, shady areas.

Cyclamen plants are popular houseplants due to their attractive flowers and foliage. The flowers are usually white, pink, red, or purple, and have a distinctive shape with swept-back petals. The leaves are heart-shaped and can be variegated or plain green.

Cyclamen plants are known for their dormancy period, which occurs during the summer months. During this time, the plant conserves energy and sheds its leaves. It is not uncommon for the leaves to turn yellow during this period.

Cyclamen plants require well-draining soil and moderate watering. Overwatering can lead to root rot, while underwatering can cause the leaves to wilt. It is important to keep the soil moist but not waterlogged.

In terms of propagation, cyclamen plants can be grown from seeds or by dividing the corms. Corms are swollen underground stems that store nutrients for the plant. When dividing corms, it is important to ensure that each division has a healthy shoot and root system.

Why Cyclamen Leaves Turn Yellow

Cyclamen is a popular houseplant that produces beautiful flowers in shades of pink, red, and white. However, it can be frustrating to see the leaves turn yellow, especially when you’re not sure why it’s happening. In this section, we will explore the common reasons why cyclamen leaves turn yellow.

One of the most common reasons for yellowing leaves on cyclamen is dormancy. As the summer approaches, the plant prepares for dormancy, and the leaves begin to yellow. This is a natural part of the plant’s lifecycle and is nothing to worry about. It’s best to let the leaves remain in place until they fall off on their own.

Another reason for yellowing leaves on cyclamen is improper watering. Overwatering or underwatering can both cause the leaves to turn yellow. Cyclamen prefers moderate moisture, and the soil should be allowed to dry out slightly between waterings. It’s essential to water the plant from the bottom, so the leaves don’t get wet.

Yellow leaves on cyclamen can also be caused by insect pests. Aphids, spider mites, and thrips are all common pests that can infest cyclamen. These pests feed on the plant’s sap, causing the leaves to turn yellow and curl up. It’s essential to keep the plant pest-free by regularly inspecting it and treating any infestations promptly.

Watering Issues

One of the most common reasons for yellowing leaves on cyclamen plants is watering issues. Proper watering is crucial for the health of the plant, and both overwatering and underwatering can cause the leaves to turn yellow.

1. Improper Watering

Improper watering is one of the leading causes of yellowing leaves on cyclamen plants. Overwatering can lead to soggy soil, which can cause the roots to rot and prevent them from absorbing nutrients properly. On the other hand, underwatering can cause the soil to dry out, making it difficult for the roots to absorb water and nutrients.

2. Proper Watering

To prevent yellowing leaves caused by improper watering, gardeners should ensure that they are watering their cyclamen plants correctly. The best way to water a cyclamen plant is to water it from the bottom. This method allows the roots to absorb water without getting the leaves wet, which can lead to fungal diseases.

3. Overwatering

Overwatering is a common mistake that many gardeners make when caring for their cyclamen plants. Cyclamen plants prefer moist soil, but they do not like to sit in water. If the soil is constantly wet, the roots can become waterlogged, which can lead to root rot and yellowing leaves.

To avoid overwatering, gardeners should ensure that the soil is well-draining and that the pot has adequate drainage holes. They should also avoid watering the plant too frequently and make sure that the soil has dried out slightly before watering again.

4. Underwatering

Underwatering can also cause yellowing leaves on cyclamen plants. When the soil is too dry, the roots cannot absorb enough water and nutrients, which can cause the leaves to turn yellow and wilt.

To avoid underwatering, gardeners should ensure that the soil is moist but not waterlogged. They should water the plant when the soil feels dry to the touch and make sure that the water is evenly distributed throughout the soil.

Temperature and Climate Factors

Cyclamen plants are sensitive to temperature and climate changes. They prefer cool temperatures and can go dormant during the summer months. In fact, researchers have found that cyclamen goes dormant during dry summer months to protect its tuberous roots.

Cyclamen plants like daytime temperatures between 60 and 65 degrees Fahrenheit (15-18 C.) and night temperatures around 50 degrees F. (10 C.). If the temperature consistently stays above 70℉, it may go dormant, beginning with its leaves turning yellow.

During the fall, as temperatures begin to cool down, cyclamen will start to grow again. In hardiness zones 7 and above, cyclamen plants can be grown outdoors in the fall and winter months. However, in hardiness zones 6 and below, cyclamen should be grown indoors or treated as annuals.

It is important to keep cyclamen plants away from warm temperatures and direct sunlight. Warm temperatures can cause the leaves to yellow and the flowers to wilt. Direct sunlight can also cause the leaves to burn and yellow.

Lighting Conditions

Cyclamen plants require proper lighting conditions to thrive, and incorrect lighting can cause yellowing of the leaves. Cyclamen plants prefer filtered light, and direct sunlight can be harmful to them.

If the plant is placed in direct sunlight, it can cause the leaves to turn yellow and dry out. On the other hand, insufficient sunlight can also cause yellowing of the leaves. Cyclamen plants should be placed in a location that receives bright, indirect light, such as near a window that is shaded by a sheer curtain.

It is essential to assess the lighting conditions of the plant’s location regularly. If the plant is not receiving enough light, consider moving it to a brighter location. If the plant is receiving too much direct sunlight, consider moving it to a location with filtered light.

Cyclamen plants should also be protected from extreme temperatures. High temperatures can cause the leaves to turn yellow and dry out. Cyclamen plants prefer to stay at air temperatures between 50℉ and 70℉. If the temperature consistently stays above 70℉, it may go dormant, beginning with its leaves turning yellow.

Nutrient Deficiencies

Cyclamen plants require a balanced diet of essential nutrients to thrive and produce healthy foliage. When the plant experiences a lack of nutrients, it can lead to yellowing of the leaves.

The most common nutrient deficiencies that can cause yellowing of cyclamen leaves include nitrogen, phosphorus, and potassium. Nitrogen is essential for the growth and development of leaves, while phosphorus helps in the formation of flowers and fruits. Potassium is necessary for the overall health of the plant, and it helps in the regulation of water balance.

If the soil lacks these nutrients, it can lead to yellowing of the leaves. To address this issue, gardeners can use houseplant fertilizers that contain the necessary nutrients. These fertilizers are available in different forms, such as liquid, granular, or slow-release.

It is essential to follow the instructions on the fertilizer package carefully. Over-fertilization can lead to nutrient burn, which can cause further damage to the plant. Gardeners should also ensure that the soil is well-draining and not waterlogged, as waterlogged soil can lead to root rot and inhibit nutrient absorption.

Pests and Diseases

Cyclamen plants are susceptible to a variety of pests and diseases that can cause the leaves to turn yellow. Here are some of the most common culprits:

Pests

1. Aphids

Aphids are small, pear-shaped insects that feed on the sap of plants. They can be found on the undersides of leaves and can cause the leaves to curl and turn yellow. To get rid of aphids, spray the plant with a solution of water and dish soap or use an insecticidal soap.

2. Spider Mites

Spider mites are tiny, red or brown pests that feed on the undersides of leaves. They can cause the leaves to turn yellow and fall off. To get rid of spider mites, spray the plant with water or use an insecticidal soap.

3. Mealybugs

Mealybugs are small, white insects that feed on the sap of plants. They can cause the leaves to turn yellow and fall off. To get rid of mealybugs, spray the plant with a solution of water and dish soap or use an insecticidal soap.

4. Scale Insects

Scale insects are small, oval-shaped pests that attach themselves to the stems and leaves of plants. They can cause the leaves to turn yellow and fall off. To get rid of scale insects, scrape them off with a fingernail or use an insecticidal soap.

5. Cyclamen Mites

Cyclamen mites are tiny, spider-like pests that feed on the new growth of plants. They can cause the leaves to turn yellow and become distorted. To get rid of cyclamen mites, remove and destroy any infected plants and use an insecticidal soap.

Diseases

1. Viruses

Viruses can cause the leaves of cyclamen plants to turn yellow and become distorted. There is no cure for viral infections, so infected plants should be removed and destroyed to prevent the spread of the virus.

2. Fungal Diseases

Fungal diseases such as Fusarium wilt and bacterial soft rot can cause the entire plant to rapidly turn yellow and die. To prevent these diseases, buy corms from reputable sources and plant them in clean media.

3. Overwatering

Overwatering can cause the roots of the plant to rot, which can lead to yellowing leaves. To prevent overwatering, make sure the soil is moist but not soggy and allow it to dry out slightly between waterings.

Cyclamen Care Tips

Cyclamen plants are popular houseplants that can brighten up any indoor space with their beautiful blooms and attractive foliage. However, caring for cyclamen plants can be a bit tricky, especially if you’re new to indoor gardening. Here are some tips to help you keep your cyclamen healthy and thriving:

1. Light

Cyclamen plants prefer bright, indirect light. They can tolerate some direct sunlight, but too much can cause their leaves to curl and burn. If your cyclamen is not getting enough light, its leaves may turn yellow and drop off.

On the other hand, if it’s getting too much light, its leaves may turn brown and dry out. To avoid these problems, place your cyclamen in a bright, well-lit area that receives indirect sunlight for most of the day.

2. Watering

Cyclamen plants like to be kept evenly moist, but not too wet. Overwatering can cause the roots to rot, while underwatering can cause the leaves to wilt and turn yellow.

To water your cyclamen, water around the sides of the pot or from the bottom to prevent rot. Drain for 20 minutes and then discard the excess water. Avoid getting water on the leaves or flowers, as this can cause them to rot.

3. Temperature

Cyclamen plants prefer cool temperatures between 50℉ and 70℉. High temperatures can cause the plant to begin to yellow, and the flowers will fade rapidly.

Cyclamen that are sold as houseplants are tropical and cannot tolerate temperatures below 40 degrees F. (4 C.). If you’re growing cyclamen outdoors, make sure to protect them from frost and freezing temperatures.

4. Soil

Cyclamen plants like a moderately moist soil. It should be moist to touch, but never soggy. Use a well-draining potting mix that is rich in organic matter. Avoid using heavy soils that retain water, as this can cause the roots to rot.

5. Fertilizer

Cyclamen plants do not require much fertilizer, but a little can help them grow and bloom better. Use a balanced fertilizer once a month during the growing season. Do not fertilize during the dormant season.

Potting and Soil Considerations

Cyclamen plants prefer well-draining soil that is rich in organic matter. Gardeners should use a potting mix that is formulated for houseplants and contains ingredients such as sphagnum peat, perlite, and vermiculite. These ingredients help to improve drainage and aeration, which is essential for the health of the plant.

When potting cyclamen, it is important to choose a container that is slightly larger than the root ball. This will allow the plant to grow without becoming root-bound. Gardeners should also ensure that the pot has drainage holes to prevent water from accumulating in the soil.

Overwatering is a common cause of yellowing leaves in cyclamen plants. Gardeners should water the plant thoroughly, allowing excess water to drain away, and then allow the soil to dry out slightly before watering again. It is important not to let the soil become completely dry, as this can also cause the leaves to yellow.

If the soil in the pot becomes compacted, it can prevent water from draining properly and lead to root rot. Gardeners should ensure that the soil is loose and well-aerated by gently loosening it with a fork or trowel.

Cyclamen Propagation

Cyclamen can be propagated by division or from seed. Propagating from seed is more challenging and time-consuming, but it can be rewarding to see the plant grow from a tiny seed to a mature blooming plant.

Propagation from Tuber Division

Propagation from tuber division is the most common method used by gardeners to propagate cyclamen. This method is best done during the plant’s dormant period, which is in the summer.

The tuber should be carefully removed from the soil and divided into smaller pieces. Each piece should have at least one growing point and some roots. The cut surfaces should be dusted with a fungicide to prevent rot. The divided tubers can then be planted in fresh soil and watered well.

Propagation from Seed

Propagation from seed is more challenging and time-consuming than propagation from tuber division. It requires patience and attention to detail. Cyclamen seeds are very small and should be sown on the surface of a well-draining soil mix.

The seeds should be kept moist and warm, but not wet. They can be covered with a plastic bag or a plastic dome to retain moisture. Germination can take several weeks to several months. Once the seedlings have developed their first true leaves, they can be transplanted into individual pots.

Tips for Successful Cyclamen Propagation

• Use clean tools and containers to prevent the spread of disease.
• Choose healthy plants for propagation.
• Allow the tubers or seedlings to develop in a warm, bright location with good air circulation.
• Do not overwater the plants, as cyclamen can be prone to rot.
• Fertilize the plants with a balanced fertilizer during the growing season.

Pruning and Maintenance

When a cyclamen’s leaves turn yellow, it’s a sign that it needs some pruning and maintenance. Pruning is an essential part of plant care that helps to remove dead, damaged, or diseased parts of the plant. In the case of cyclamen, removing yellow leaves can help to prevent the spread of disease and promote new growth.

To prune a cyclamen, use a pair of clean, sharp scissors or pruning shears to cut off the yellow leaves at the base of the stem. Be sure to remove any dead leaves or stems as well. It’s important to avoid damaging the healthy parts of the plant while pruning. If you’re unsure about which parts to prune, consult a gardening expert or reference a reliable source.

In addition to pruning, cyclamen also requires regular maintenance to keep it healthy and thriving. This includes removing any dead or yellow leaves as soon as they appear, as well as providing the plant with proper care. Here are some tips for maintaining a cyclamen:

• Watering: Cyclamen prefers a moderately moist soil. Water around the sides of the pot or from the bottom to prevent rot. Drain for 20 minutes and then discard the excess water. Overwatering can lead to root rot, while underwatering can cause the leaves to wilt and turn yellow.
• Fertilizing: Cyclamen benefits from a balanced fertilizer every two weeks during the growing season. Avoid fertilizing during the dormant period.
• Light: Cyclamen prefers bright, indirect light. Avoid direct sunlight, which can scorch the leaves.
• Temperature: Cyclamen prefers a cool environment with temperatures between 50℉ and 70℉. Keep the plant away from drafts and heat sources.
• Dormancy: Cyclamen enters a dormant period after flowering ends in spring and summer. During this time, the plant will stop blooming, and the leaves will turn yellow. This is a natural part of the plant’s lifecycle, and nothing to worry about. To help the plant rebloom, stop fertilizing and reduce watering during dormancy.

Cyclamen Varieties and Colors

Cyclamen, a popular indoor and outdoor plant, comes in a wide range of colors and varieties. Cyclamen varieties can be broadly categorized into two types – florist cyclamen and hardy cyclamen.

Florist Cyclamen

Florist cyclamen, also known as large-flowered cyclamen, are the most common type of cyclamen found in nurseries and florist shops. They are known for their heart-shaped leaves and showy flowers that bloom in winter and early spring.

Florist cyclamen comes in a variety of colors, including red, white, pink, and purple. The flowers can be solid-colored or have contrasting edges or blotches.

Hardy Cyclamen

Hardy cyclamen, also known as small-flowered cyclamen, are a group of cyclamen species that are native to the Mediterranean region. They are smaller in size compared to florist cyclamen and have dainty, fragrant flowers that bloom in late summer and fall.

Hardy cyclamen comes in a variety of colors, including white, pink, and purple. The flowers of hardy cyclamen are usually smaller and more delicate than those of florist cyclamen.

In terms of leaf color, cyclamen leaves can be green, silver, or variegated. Variegated leaves have white or cream-colored markings on the leaves.

Frequently Asked Questions