Updated: June 1, 2022

If you’re a plant lover, you know how frustrating it can be to see your plant’s leaves turning yellow. You water it regularly, give it enough sunlight, and care for it like your own child, but still, the leaves turn yellow. One such plant that often experiences this phenomenon is the goldfish plant.

The goldfish plant, scientifically known as Nematanthus gregarius, is a popular houseplant because of its vibrant orange-yellow flowers that resemble goldfish. The plant is native to Brazil and requires minimal care. However, when the leaves of the goldfish plant start turning yellow, it can be a cause for concern.

In this article, we’ll discuss why your goldfish plant leaves might be turning yellow and what you can do to fix the problem.

Lack of Light

One of the most common reasons for yellowing leaves in goldfish plants is a lack of light. Ideally, these plants require bright but indirect light to thrive. If you notice that your plant is getting too much direct sunlight or not enough indirect light, it can cause the leaves to turn yellow.

To fix this problem, move your goldfish plant to an area where it can receive bright but indirect light. You can also try using artificial light to supplement the natural light if necessary.

Over-Watering

Over-watering is another common reason for yellowing leaves in goldfish plants. These plants don’t require a lot of water and prefer well-draining soil. If the soil is consistently moist or waterlogged, it can lead to root rot and yellowing leaves.

To fix this problem, allow the soil to dry out before watering your goldfish plant again. Make sure the pot has proper drainage to prevent water from getting trapped at the bottom.

Nutrient Deficiency

A lack of nutrients can also cause goldfish plant leaves to turn yellow. These plants require regular fertilization to thrive. If you haven’t fertilized your goldfish plant in a while, it could be lacking essential nutrients like nitrogen, phosphorus, and potassium.

To fix this problem, consider fertilizing your goldfish plant with a balanced fertilizer every two weeks during the growing season.

Pests

Pests like spider mites and aphids can also cause goldfish plant leaves to turn yellow. These pests suck the sap from the leaves, causing them to yellow and eventually die.

To fix this problem, regularly inspect your goldfish plant for any signs of pest infestation. If you notice any pests, try treating the plant with neem oil or insecticidal soap.

Disease

Diseases like leaf spot and powdery mildew can also cause goldfish plant leaves to turn yellow. These diseases are caused by fungi and can lead to leaf discoloration and decay.

To fix this problem, consider removing any infected leaves and treating the plant with a fungicide.

Other Factors

Other factors that can cause goldfish plant leaves to turn yellow include:

  • Cold temperatures
  • High humidity
  • Stress from transplanting or repotting
  • Aging leaves

If you’ve ruled out all other possible causes, these factors could be the reason why your goldfish plant’s leaves are turning yellow.

FAQ

How often should I water my goldfish plant?

Goldfish plants prefer well-draining soil and don’t require a lot of water. Allow the soil to dry out before watering your plant again. This could be anywhere from once a week to once every two weeks, depending on the humidity level and temperature in your home.

How much light does my goldfish plant need?

Goldfish plants require bright but indirect light to thrive. Place your plant in an area where it can receive enough light without getting too much direct sunlight.

How do I fertilize my goldfish plant?

Use a balanced fertilizer every two weeks during the growing season to provide your goldfish plant with essential nutrients. Follow the instructions on the fertilizer package for the best results.

How do I prevent pests from infesting my goldfish plant?

Regularly inspect your goldfish plant for any signs of pest infestation. If you notice any pests, treat the plant with neem oil or insecticidal soap.

Can I propagate my goldfish plant?

Yes, goldfish plants can be propagated through stem cuttings or by division. Wait until the plant has finished flowering before propagating it.