Updated: November 28, 2022

Elephant ear plants, also known as Colocasia or taro plants, are tropical plants with large, heart-shaped leaves. They are a popular choice for indoor and outdoor gardening because of their attractive foliage. However, these plants are prone to infestations from scales, which can cause yellowing of leaves and lead to stunted growth or even death of the plant. In this article, we will discuss how to get rid of scales on elephant ear plants.

What are Scales?

Scales are small, oval-shaped insects that attach themselves to plant leaves and stems. They feed on the sap of the plant and can cause damage to the leaves or even kill the plant if left untreated. Scales leave behind a sticky honeydew residue that can attract other pests like ants and bees.

Identify the Scale Infestation

To identify a scale infestation on your elephant ear plant, look for small, oval-shaped bumps on the leaves and stems. These bumps may be white, brown, or black depending on the species of scale. You may also notice yellowing of leaves or stunted growth. Scales can spread quickly from one plant to another so it’s important to treat the infestation as soon as possible.

Natural Remedies for Scale Infestation

  1. Neem Oil – Neem oil is a natural insecticide that is effective against scales. Mix 1 tablespoon of neem oil with 1 quart of water and spray the solution onto the affected leaves and stems. Repeat every 7-10 days until the scales have been eliminated.

  2. Soap Solution – Mix 1 tablespoon of mild liquid soap with 1 quart of water and spray the solution onto the affected areas of the plant. The soap will suffocate the scales and prevent them from feeding on the plant.

  3. Alcohol Solution – Mix equal parts of rubbing alcohol and water and spray the solution onto the affected areas of the plant. The alcohol will kill the scales and evaporate quickly, leaving no residue.

  4. Ladybugs – Ladybugs are natural predators of scales and can be introduced to your garden to help control the infestation. You can purchase ladybugs from your local garden center or online.

Chemical Remedies for Scale Infestation

If natural remedies do not work, you can use chemical insecticides to get rid of scales on your elephant ear plant. However, it’s important to read the label carefully and follow instructions for use. Some common insecticides for scales include:

  1. Systemic Insecticides – These insecticides are absorbed by the plant and kill scales when they feed on the sap. Apply the insecticide to the soil around the plant or as a foliar spray.

  2. Contact Insecticides – These insecticides kill scales on contact. Spray the insecticide directly onto the affected areas of the plant.

Preventing Scale Infestation

The best way to prevent scale infestation is to keep your elephant ear plant healthy and stress-free. Here are some tips to keep your plant healthy:

  1. Watering – Water your plant regularly but do not over-water. Elephant ear plants prefer moist soil but can be prone to root rot if over-watered.

  2. Fertilizing – Fertilize your plant every 2-3 weeks during the growing season with a balanced fertilizer.

  3. Lighting – Elephant ear plants prefer bright, indirect sunlight. Avoid placing them in direct sunlight as it can scorch their leaves.

  4. Humidity – These plants prefer humid environments. You can increase humidity by misting the leaves with water or placing a tray of water near the plant.

FAQ

Can I use dish soap to get rid of scales on my elephant ear plant?

Yes, you can use mild liquid soap to suffocate scales. Mix 1 tablespoon of soap with 1 quart of water and spray the solution onto the affected areas of the plant.

How often should I apply neem oil to my elephant ear plant?

Apply neem oil every 7-10 days until the scales have been eliminated.

Can I prevent scale infestation by using insecticidal soap?

Yes, insecticidal soap can be used as a preventive measure to keep scales from infesting your plants. Spray the solution onto your plants every 2-3 weeks during the growing season.

In conclusion, scales can be a serious threat to the health of your elephant ear plant. By identifying the infestation, using natural and chemical remedies, and preventing future infestations, you can keep your plant healthy and looking its best.