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Why Are Your Aglaonema Plant Leaves Turning Yellow:
Causes and Solutions

Updated: May 8, 2023

Aglaonema is a popular houseplant known for its beautiful foliage. However, if you notice your Aglaonema plant leaves turning yellow, it can be a cause for concern. The yellowing of the leaves is a sign that something is not right with your plant. In this article, we will discuss the causes of yellowing leaves in Aglaonema plants and provide solutions to help you revive your plant.

Causes of Yellowing Leaves in Aglaonema Plants

  1. Overwatering: Overwatering is one of the most common causes of yellowing leaves in Aglaonema plants. When you overwater your plant, the roots become waterlogged, which leads to root rot. Root rot prevents the roots from absorbing nutrients and water, which results in yellowing of the leaves.

  2. Underwatering: Underwatering is another common cause of yellowing leaves in Aglaonema plants. When you underwater your plant, the soil becomes dry, and the plant cannot absorb enough water and nutrients. This leads to the yellowing of leaves and can cause permanent damage to the plant.

  3. Poor Drainage: Poor drainage can also cause yellowing of leaves in Aglaonema plants. If the soil does not drain properly, it can lead to waterlogged roots, which can cause root rot and yellowing of leaves.

  4. Low Light: Aglaonema plants require bright but indirect light to thrive. If your plant is not getting enough light, it can cause yellowing of leaves.

  5. Pests and Diseases: Pests and diseases can also cause yellowing of leaves in Aglaonema plants. Mealybugs, spider mites, and scale insects are common pests that feed on the sap of the plant, causing yellow spots on the leaves. Fungal diseases such as leaf spot can also cause yellow spots on the leaves.

Solutions for Yellowing Leaves in Aglaonema Plants

  1. Proper Watering: Proper watering is essential for keeping your Aglaonema plant healthy. Water your plant when the top inch of soil feels dry to the touch. Make sure that the pot has proper drainage holes to prevent waterlogging.

  2. Improve Drainage: If poor drainage is causing yellowing of leaves in your Aglaonema plant, repotting it in a well-draining soil mix can help improve drainage.

  3. Provide Adequate Lighting: Place your Aglaonema plant in a location where it can receive bright but indirect light. Avoid placing it in direct sunlight as this can scorch the leaves.

  4. Pest Control: If pests are causing yellow spots on the leaves, use insecticidal soap or neem oil to get rid of them. Regularly inspect your plants for signs of pests and diseases to prevent further damage.

  5. Disease Control: If your plant has a fungal disease such as leaf spot, remove infected leaves and treat with a fungicide.

FAQ

Q: Can I save my Aglaonema plant if all the leaves have turned yellow?

A: It depends on how severe the damage is. If all the leaves have turned yellow, it may be difficult to save the plant. However, if there are still some healthy stems or roots, you may be able to propagate new plants from them.

Q: How often should I fertilize my Aglaonema plant?

A: You should fertilize your Aglaonema plant once every two months during its growing season (spring and summer). Use a balanced fertilizer with equal amounts of nitrogen, phosphorus, and potassium.

Q: Can I prune my Aglaonema plant?

A: Yes, you can prune your Aglaonema plant to keep it looking neat and tidy. Use sharp scissors or pruning shears to cut off any dead or yellowed leaves or stems.

Q: Can I propagate my Aglaonema plant?

A: Yes, you can propagate your Aglaonema plant by taking stem cuttings or division. Stem cuttings should be taken from healthy stems and propagated in water or moist soil until roots form. Division involves separating healthy stems and roots from an established plant and planting them separately.

In conclusion, yellowing of leaves in Aglaonema plants can be caused by various factors such as overwatering, underwatering, poor drainage, low light, pests, and diseases. Proper watering, improving drainage, providing adequate lighting, pest control, and disease control are some solutions to revive your plant. With proper care and attention, you can enjoy a healthy and vibrant Aglaonema plant in your home or office space.

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