Updated: July 20, 2023

Snake plants, also known as Sansevieria, are popular houseplants known for their hardy nature and ability to thrive in low-light conditions. However, as with any plant, they can sometimes experience issues that may cause their leaves to turn yellow. If you’ve noticed this happening to your snake plant, don’t panic! In this article, we will explore some common reasons why snake plant leaves turn yellow and provide you with tips on how to prevent and treat this issue.

Overwatering

One of the most common causes of yellowing leaves in snake plants is overwatering. These plants are native to arid regions of West Africa and have adapted to survive in dry conditions. Overwatering can lead to root rot, which prevents the roots from absorbing oxygen and nutrients properly, resulting in yellow leaves.

To avoid overwatering your snake plant, make sure to let the soil dry out completely before watering again. You can do this by checking the moisture level of the soil with your finger or by using a moisture meter. It’s important not to water your snake plant on a strict schedule but rather based on its individual needs.

Underwatering

While overwatering can cause yellowing leaves, underwatering can also be a culprit. Snake plants are drought-tolerant, but they still require regular watering to stay healthy. If you notice that the leaves of your snake plant are turning yellow and crispy, it may be a sign of underwatering.

To determine if your snake plant needs water, check the moisture level of the soil regularly. When the top inch of the soil feels dry, it’s time to water your plant thoroughly. Ensure that the water reaches all parts of the root system by allowing excess water to drain out from the bottom of the pot.

Lack of Light

Snake plants are known for their ability to tolerate low-light conditions, but they still require some amount of light to thrive. If you’re keeping your snake plant in a dark corner of your home or office, it may not be receiving enough light, leading to yellowing leaves.

To provide adequate light for your snake plant, place it near a window where it can receive indirect sunlight. Avoid exposing the plant to direct sunlight, as this can scorch the leaves. If natural light is limited, you can supplement it with artificial grow lights specifically designed for indoor plants.

Temperature Stress

Snake plants prefer moderate temperatures between 70-90°F (21-32°C). Drastic temperature fluctuations or prolonged exposure to extreme temperatures can cause stress to the plant, resulting in yellow leaves.

Avoid placing your snake plant near drafty windows or heating/cooling vents that can expose it to sudden temperature changes. Maintain a consistent temperature in the room where your snake plant is located to prevent stress and promote healthy growth.

Nutrient Deficiency

Another possible reason for yellowing leaves in snake plants is nutrient deficiency. These plants are relatively low-maintenance and don’t require frequent fertilization. However, if they are not receiving enough essential nutrients, their leaves may start to turn yellow.

To ensure that your snake plant is getting the necessary nutrients, fertilize it once every three to four months during the growing season (spring and summer). Use a balanced houseplant fertilizer diluted to half the recommended strength. Overfertilizing can also lead to leaf discoloration, so be cautious not to exceed the recommended dosage.

Pests and Diseases

Although snake plants are generally resistant to pests and diseases, they can still fall victim to certain issues that can cause yellowing leaves. Spider mites and mealybugs are common pests that can infest snake plants and suck the sap from their leaves, causing them to turn yellow and wither.

Inspect your snake plant regularly for any signs of pests or diseases. If you notice any infestation, isolate the affected plant and treat it with an appropriate insecticide or insecticidal soap. Remember to follow the instructions on the product label carefully.

Conclusion

Yellowing leaves in a snake plant can be alarming, but with proper care and attention, you can address the issue and restore your plant’s health. Avoid overwatering or underwatering, provide adequate light and temperature conditions, fertilize appropriately, and watch out for pests and diseases. By following these guidelines, you can enjoy a thriving and vibrant snake plant in your home or office.