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Why is My Arrowhead Plant Turning Yellow? Causes & Fixes

Is your arrowhead plant experiencing a leaf problem? Is the old foliage turning yellow and drooping? Don’t worry! Understanding the causes behind this discoloration is essential for nursing your arrowhead plant back to health.

Arrowhead plants, also known as pink syngonium plants or African evergreen, are beloved houseplants cherished for their stunning foliage. However, when those arrowhead leaves start losing their luster and turning yellow or even brown, it’s a sign that something isn’t quite right with the leaf problem. Acidic soil, excessive sunlight exposure, and improper watering are among the main culprits behind this color change in arrowheads grown indoors.

By identifying the causes of your arrowhead plant’s yellowing leaves, such as the leaf problem or improper soil moisture, you can take appropriate action to revive its vitality and prevent old foliage.

So let’s uncover the mystery behind your syngonium plant’s yellowing leaves due to lack of soil moisture indoors and get it thriving again!

why is my arrowhead plant turning yellow

Why is My Arrowhead Plant Turning Yellow? Common Issues and Causes for Arrowhead Plant Leaves Turning Yellow

Overwatering: Drowning Your Plant’s Happiness

One of the main reasons for yellow leaves in syngonium plants indoors is overwatering. These beautiful indoor plants may appear to enjoy a good soak, but excessive water can be a problem. When you overwater your syngonium plant, its roots become waterlogged, leading to poor oxygen circulation and root rot. Consequently, the leaves begin to turn yellow as a cry for help.

To prevent overwatering and keep your arrowhead plant thriving:

  1. Allow the top inch of soil around the indoor plant’s roots to dry out before watering again. This will promote healthy plant growth and prevent overwatering, which can lead to issues such as root rot. By giving the plant leaves a chance to absorb moisture from the soil, you can ensure that they receive the right amount of water without causing any harm. Additionally, this practice helps in shedding old leaves and making way for new growth.
  2. Ensure that the pot has proper drainage holes to avoid water accumulation and promote healthy plant growth. This is especially important for indoor plants, as low humidity can negatively affect plant leaves.
  3. To improve the drainage of plant growth, use well-draining soil mixed with perlite or sand. This is especially important for indoor plants, as low humidity can affect the health of plant leaves.

Light: Finding the Perfect Balance

Insufficient light or excessive direct sunlight can also cause those vibrant green leaves to turn yellow on your syngonium plant. These tropical beauties prefer bright but indirect light, similar to dappled sunlight filtering through a canopy of trees. It’s important to keep your syngonium indoors and ensure that the top inch of soil is consistently moist.

Here’s how you can strike the right balance:

  1. Place your syngonium, also known as arrowhead plant, near a north-facing window where it can receive bright, indirect light. This will help prevent yellow leaves and accommodate its low humidity needs.
  2. Avoid exposing the pink syngonium plant to intense afternoon sun, as it may scorch its delicate yellow leaves.
  3. Consider using sheer curtains or blinds to filter out harsh sunlight if direct exposure to the syngonium plant’s yellow leaves and arrowhead leaves is unavoidable.

Nutrient Deficiencies: Feeding Your Plant’s Cravings

To ensure your syngonium or arrowhead plant gets all the nourishment it craves, keep an eye out for yellow leaves.

  1. Fertilize regularly using a balanced houseplant fertilizer during the growing season to prevent yellow leaves on your syngonium with arrowhead leaves.
  2. Look for fertilizers specifically formulated for foliage plants like syngonium, as they typically contain the necessary nutrients for maintaining healthy yellow leaves and arrowhead leaves.
  3. Consider adding iron supplements or chelated iron to the soil to address iron deficiency in syngonium plants with yellow leaves and arrowhead leaves.

So, keep an eye on those yellow syngonium leaves and show your arrowhead plant some tender loving care. Before you know it, it will be back to flaunting its lush syngonium foliage and bringing joy to your space once again!

why is my arrowhead plant turning yellow

Tips for Proper Care and Maintenance of Arrowhead Plants to Prevent Yellowing Leaves

Place your arrowhead plant in bright, indirect light

One of the most important factors in keeping your arrowhead plant healthy and preventing yellowing leaves is providing it with the right amount of light. These plants thrive in bright, indirect light, so find a spot near a window where they can receive filtered sunlight throughout the day. Avoid placing them in direct sunlight as it can scorch their delicate leaves.

Allow the soil to dry slightly between waterings

Overwatering is a common mistake that can lead to yellowing leaves in arrowhead plants. To prevent this, make sure you allow the top inch or so of soil to dry out before watering again. Stick your finger into the soil and if it feels damp, hold off on watering for a few more days. It’s better to underwater than overwater these plants.

Regularly dust the leaves and provide adequate humidity

Dust accumulation on arrowhead plant leaves can hinder photosynthesis and lead to yellowing. Keep the foliage clean by gently wiping them with a soft cloth or giving them a shower every now and then. These tropical plants appreciate higher humidity levels. You can increase humidity by misting their leaves with water or placing them near a humidifier.

Avoid cold drafts and temperature extremes

Arrowhead plants are sensitive to temperature changes, especially cold drafts. Keep them away from windows or doors that may let in chilly air during winter months, as this can cause yellow leaves. Similarly, avoid exposing them to extreme heat as it can cause stress and leaf discoloration. Maintain a comfortable room temperature between 60-75°F (15-24°C) for optimal growth and to prevent yellow leaves.

Provide proper nutrition through fertilization

Proper fertilization is crucial for maintaining healthy arrowhead plants. Use a balanced houseplant fertilizer diluted at half strength during spring and summer months when they are actively growing. Feed them once every 4-6 weeks to provide essential nutrients. However, be cautious not to over-fertilize as it can lead to nutrient burn and yellowing leaves.

Monitor for pests and take appropriate action

Pests like spider mites, aphids, and mealybugs can infest arrowhead plants, causing stress and leaf discoloration. Regularly inspect your plant for signs of pests such as webbing or sticky residue on the leaves. If you spot any, treat the infestation immediately using organic insecticidal soap or neem oil. Follow the instructions carefully for effective control.

Prune regularly to maintain shape and health

Pruning is an essential part of arrowhead plant care. It helps maintain a compact shape and encourages new growth while removing any diseased or yellowing leaves. Use clean pruning shears to trim back leggy stems or remove dead foliage. You can also pinch off the tips of the plant to promote bushier growth.

By following these care tips, you can ensure that your arrowhead plant remains vibrant and healthy with lush green leaves, free from yellowing or discoloration.

why is my arrowhead plant turning yellow

Identifying and Treating Pests and Diseases Affecting Arrowhead Plants

Common Pests that Affect Arrowhead Plants

Arrowhead plants are not immune to pest infestations, and some common culprits include spider mites, mealybugs, and aphids. These tiny creatures can wreak havoc on your beloved foliage if left unchecked. Spider mites are notorious for their ability to spin fine webs on the leaves of arrowhead plants, causing them to turn yellow and eventually wither. Mealybugs, on the other hand, appear as white cottony clusters along the stems or leaf joints, sucking sap from the plant and leaving behind a sticky residue. Aphids also feed on plant sap and can quickly multiply into large colonies.

Treating Pest Infestations

There are a few effective methods you can try to tackle pest infestations in arrowhead plants, such as using insecticidal soap or neem oil. These products work by suffocating the insects without harming the plant itself. To effectively use insecticidal soap or neem oil, carefully follow the product instructions.

If you’re dealing with spider mites specifically, another approach is to spray your arrowhead plant’s leaves with a strong jet of water. This will dislodge the mites from the foliage and help control their population.

For mealybug infestations, one handy trick is to dab the yellow leaves individually with a cotton swab dipped in rubbing alcohol. This method allows you to target each bug directly without harming your entire plant.

Aphids can be removed by gently wiping them off your arrowhead plant’s leaves using a damp cloth or sponge. Alternatively, you can employ natural predators like ladybugs or lacewings that feed on aphids as an eco-friendly solution.

Fungal Diseases and Yellowed Leaves

While pests are a common cause of yellowing leaves in arrowhead plants, fungal diseases can also be to blame. One such disease is root rot, which occurs when the soil remains excessively moist for extended periods. Poor drainage or overwatering can contribute to this condition, leading to the plant’s roots becoming waterlogged and deprived of oxygen.

To prevent root rot and subsequent yellowing leaves, ensure your arrowhead plant is potted in well-draining soil. Avoid overwatering by allowing the top inch or so of soil to dry out before watering again. Empty any excess water from the saucer beneath the pot after watering.

If you suspect root rot has already taken hold, look for signs such as yellow leaves. It’s essential to act promptly. Carefully remove the affected plant with arrowhead leaves from its pot, trim away any rotten roots with sterilized shears, and repot it in fresh, well-draining soil. Be sure not to reuse the old potting mix as it may contain fungal spores that could reinfect your plant.

By identifying and addressing pest infestations and fungal diseases promptly, you can help your arrowhead plant regain its vibrant green color and thrive once again.

Optimizing Indoor Conditions for Healthy Arrowhead Plant Growth

Maintaining the Right Temperature

One of the key factors in ensuring a healthy arrowhead plant is maintaining the right temperature. These indoor plants thrive in temperatures between 60°F (15°C) and 75°F (24°C). Anything too hot or too cold can cause stress to your plant, leading to yellowing leaves. So, make sure you keep your arrowhead plant in a room with consistent temperatures within this range.

Providing Adequate Air Circulation

Proper air circulation is essential for the overall health of your arrowhead plant. While good airflow prevents stagnant air and reduces the risk of diseases, it’s important to avoid placing your plant near drafts or vents. Direct exposure to drafts or blasts of air can result in leaf damage and yellowing. Instead, find a spot where there is indirect airflow, such as an open window on a breezy day.

Avoiding Sudden Temperature Fluctuations

Arrowhead plants are sensitive creatures that don’t appreciate sudden changes in temperature. Drastic fluctuations can stress them out and lead to yellow leaves. To prevent this from happening, try to keep your indoor environment stable and avoid exposing your plant to extreme temperature changes. For example, don’t place it near heating or cooling sources that might cause rapid shifts in temperature.

The Importance of Light Conditions

Light plays a crucial role in the growth and development of houseplants like the arrowhead plant. While they enjoy bright light conditions, direct sunlight can scorch their delicate leaves, causing them to turn yellow. On the other hand, insufficient light can also lead to yellowing foliage due to inadequate photosynthesis.

To optimize light conditions for your arrowhead plant:

  • Place the syngonium plant near a north-facing window where its arrowhead leaves will receive bright but indirect sunlight throughout the day.
  • If natural light is limited, consider using artificial grow lights specifically designed for indoor plants, such as arrowhead leaves.
  • Avoid exposing your arrowhead plant to long periods of darkness, as this can also negatively impact its health and the growth of its leaves.

The Impact of Humidity and Soil Moisture

Arrowhead plants thrive in environments with moderate to high humidity levels. Insufficient humidity can cause their leaves to dry out and turn yellow. To increase humidity around your plant, you can:

  • Place a humidifier nearby or use a tray filled with water and pebbles to provide the ideal conditions for your syngonium plant with arrowhead leaves.
  • Group your houseplants together to create a microclimate of increased moisture.
  • Mist the leaves of the syngonium plant occasionally with water to provide some extra hydration.

In addition to humidity, proper soil moisture is vital for the health of your arrowhead plant. Overwatering or underwatering can both lead to yellowing leaves. Aim for consistent soil moisture by following these guidelines:

  1. Water your plant when the top inch (2.5 cm) of soil feels dry to the touch.
  2. Ensure proper drainage for your syngonium plant by using well-draining potting mix and pots with drainage holes.
  3. Avoid letting the plant sit in standing water, as it can lead to root rot.

Watering and Fertilization Guidelines for Preventing Yellowing Leaves in Arrowhead Plants

Water arrowhead plants when the top inch of soil feels dry to the touch.

Arrowhead plants, also known as Syngonium podophyllum, are native to tropical regions and require consistent moisture to thrive. However, overwatering can lead to yellowing leaves. To prevent this, it is important to water your arrowhead plant properly. Check the moisture level of the soil by inserting your finger about an inch deep into the soil. If it feels dry at that depth, it’s time to water your plant.

Use well-draining soil and ensure excess water can freely drain from the pot.

One common cause of yellowing leaves in arrowhead plants is poor drainage. These plants prefer a well-draining soil mix that allows excess water to escape easily. When choosing a potting mix for your arrowhead plant, opt for one specifically formulated for houseplants or create a mixture using equal parts peat moss, perlite, and potting soil. This combination will provide adequate drainage while retaining enough moisture for the plant’s needs.

Fertilize regularly during the growing season with a balanced, water-soluble houseplant fertilizer.

Proper fertilization is essential for maintaining healthy foliage in arrowhead plants. During the growing season, which typically spans spring through summer, feed your plant every two weeks with a balanced water-soluble houseplant fertilizer. Look for a fertilizer with equal ratios of nitrogen (N), phosphorus (P), and potassium (K) or labeled as 10-10-10 or 20-20-20. Dilute according to package instructions before applying it directly to the soil around your plant.

Arrowhead plants are particularly susceptible to nitrogen deficiency when not adequately fertilized. Nitrogen plays a vital role in leaf development and overall growth. Lack of nitrogen can result in yellowing leaves and stunted growth. By regularly fertilizing your arrowhead plant, you can ensure it receives the necessary nutrients to maintain vibrant foliage.


Underwatering is another common cause of yellowing leaves in arrowhead plants. While these plants prefer consistent moisture, allowing the soil to dry out completely between waterings can lead to stress and leaf discoloration. If you notice that your arrowhead plant’s leaves are turning yellow and crispy, it may be a sign of underwatering.

To prevent this issue, make sure to check the moisture level of the soil regularly and water when needed. Remember not to let the soil become bone-dry before watering again. Finding a balance between adequate hydration and avoiding overwatering is crucial for keeping your arrowhead plant healthy.

Pruning and Propagation Techniques for Maintaining Vibrant Arrowhead Plants

Prune leggy or yellowing stems to encourage bushier growth and remove diseased foliage.

Is your arrowhead plant looking a little lackluster? Don’t worry, you can bring it back to life with some simple pruning techniques. One of the main reasons why your arrowhead plant might be turning yellow is due to leggy or overgrown stems. These long, thin stems can steal nutrients from the rest of the plant, leading to yellowing leaves and an overall unhealthy appearance.

To combat this issue, grab your trusty pruning tool blades and get ready to trim away those leggy stems. Start by identifying the ones that are excessively long or have yellowing leaves. Using clean and sharp pruning tool blades will ensure a smooth cut without causing any damage to the plant.

When pruning, make sure to cut just above a leaf node. A leaf node is where a leaf attaches to the stem, and it’s usually marked by a small bump or swelling. Cutting above a leaf node encourages new growth in that area, which will help create a fuller and bushier plant.

Remember, if you notice any diseased foliage on your arrowhead plant, be sure to remove it during the pruning process. Diseased leaves can spread infections throughout the plant if left untreated.

Propagate arrowhead plants through stem cuttings placed in water or moist soil.

Another way to maintain vibrant arrowhead plants is through propagation. This process involves taking stem cuttings from your existing healthy plant and encouraging them to form roots of their own. It’s like creating mini clones of your favorite arrowhead!

To propagate your arrowhead plants successfully, follow these steps:

  1. Select a healthy syngonium plant stem: Choose a stem from the syngonium plant that has at least two nodes and is free from any signs of disease or damage.
  2. Cutting a syngonium plant: Using clean pruning tool blades, make a diagonal cut just below a leaf node. This will provide the cutting with enough surface area to develop roots.
  3. Remove lower leaves from the syngonium plant cutting, leaving only a few at the top.
  4. Place in water or moist soil: You have two options for propagating your arrowhead plant cuttings. You can either place them in a container with water, making sure the nodes are submerged but not the leaves, or you can insert them directly into moist soil.

Regular pruning helps maintain the plant’s shape and overall health.

Pruning is not only beneficial for addressing leggy stems and yellowing foliage; it also plays a crucial role in maintaining your arrowhead plant’s shape and overall health. Regularly trimming your plant helps prevent it from becoming unruly and promotes better air circulation, reducing the risk of fungal diseases.

Here are some additional reasons why regular pruning is essential for the syngonium plant.

  • Encourages branching: By removing overgrown stems, you stimulate new growth from lower nodes, resulting in a fuller and bushier plant.
  • Controls size: Arrowhead plants can grow quite large if left unattended.


To ensure the longevity and lushness of your arrowhead plants, it is crucial to address common issues that cause yellowing leaves. By implementing proper care and maintenance techniques, identifying and treating pests and diseases, optimizing indoor conditions, following watering and fertilization guidelines, as well as utilizing pruning and propagation techniques, you can effectively prevent yellowing leaves in your arrowhead plants.

By understanding the common causes of yellowing leaves in arrowhead plants, such as overwatering or underwatering, insufficient light, nutrient deficiencies, or pest infestations, you can take appropriate measures to rectify these issues. Providing your plants with adequate water and nutrients while avoiding overfeeding will promote healthy growth.

Regularly inspecting your arrowhead plants for signs of pests or diseases is essential for early detection and prompt treatment. By using organic pesticides or natural remedies when necessary, you can protect your plants from potential damage.

Creating optimal indoor conditions for your arrowhead plants involves providing them with bright but indirect sunlight, maintaining moderate humidity levels through misting or using a humidifier, and ensuring proper air circulation. These factors contribute to a healthier environment for their growth.

Adhering to specific watering and fertilization guidelines will also help prevent yellowing leaves in arrowhead plants. It is important to water them thoroughly but allow the soil to dry out slightly between waterings. Using a balanced fertilizer during the growing season will provide the necessary nutrients for vibrant foliage.

Pruning your arrowhead plant regularly helps maintain its shape and encourages new growth. Propagation techniques like stem cuttings allow you to expand your collection or share this beautiful plant with others.

In conclusion, by addressing common issues causing yellowing leaves in arrowhead plants through proper care practices and maintenance routines while creating an optimal environment for growth, you can enjoy thriving and vibrant foliage in these beloved houseplants.

Frequently Asked Questions (FAQs)

Q: How often should I water my arrowhead plant?

A: Water your arrowhead plant thoroughly when the top inch of soil feels dry, but avoid overwatering to prevent root rot.

Q: What should I do if my arrowhead plant has yellow leaves?

A: Yellow leaves in arrowhead plants can be caused by various factors such as overwatering, underwatering, or nutrient deficiencies. Assess the watering and lighting conditions, adjust as needed, and consider fertilizing with a balanced houseplant fertilizer.

Q: Can I keep my arrowhead plant in a low-light environment?

A: While arrowhead plants prefer bright but indirect sunlight, they can tolerate lower light conditions. However, limited light may result in slower growth and less vibrant foliage.

Q: How often should I fertilize my arrowhead plant?

A: Fertilize your arrowhead plant every 4-6 weeks during the growing season with a balanced houseplant fertilizer. Follow the instructions on the fertilizer packaging for proper dosage.

Q: Are there any natural remedies for pest control in arrowhead plants?

A: Yes, you can use natural remedies like neem oil or insecticidal soap to control common pests like spider mites or aphids on your arrowhead plants. Follow the instructions provided with the product for safe and effective application.

Q: Can I propagate my arrowhead plant without using stem cuttings?

A: While stem cuttings are the most common method of propagating arrowhead plants, you can also propagate them through division or air layering techniques. Choose the method that suits you best based on your preferences and available resources.

Q: Is it normal for older leaves to turn yellow and drop off from an arrowhead plant?

A: Yes, it is normal for older leaves to turn yellow and eventually drop off from an arrowhead plant as part of its natural growth cycle. However, if new leaves are also turning yellow, it may indicate an underlying issue that needs to be addressed.

Remember, your arrowhead plants rely on your care and attention to thrive. By following these guidelines and addressing any concerns promptly, you can enjoy the beauty of lush and healthy arrowhead foliage in your home.