Updated: July 25, 2023

The paper plant, also known as the Fatsia japonica, is a popular houseplant known for its large, glossy leaves. However, like any other plant, it can be susceptible to pests. One common pest that often affects paper plants is scales. Scales are small, flat insects that attach themselves to the leaves and stems of plants, sucking out their sap and causing damage. If you notice scales on your paper plant, it is important to take action promptly to prevent further infestation and keep your plant healthy. In this article, we will discuss effective methods to get rid of scales on a paper plant.

Identifying Scales on Paper Plants

Before we dive into the methods of removing scales from paper plants, it is essential to properly identify them. Scales appear as tiny, oval-shaped bumps on the surface of the leaves and stems. They can vary in color from brown or black to white or yellow, depending on the species. Scales may also produce a sticky substance called honeydew, which can attract ants and promote the growth of sooty mold.

Natural Methods of Scale Control

When it comes to dealing with scales on a paper plant, many gardeners prefer using natural methods rather than resorting to chemical pesticides. Here are some effective natural methods for getting rid of scales:

1. Manual Removal

One simple yet effective method to control scales is by manually removing them from the plant. Use a soft toothbrush or cotton swab dipped in rubbing alcohol to gently rub off the scales from the leaves and stems. Be sure to concentrate on both the upper and lower surfaces of the leaves as well as the stems. Dispose of the removed scales carefully to prevent reinfestation.

2. Neem Oil Spray

Neem oil is a natural insecticide derived from the seeds of the neem tree. It is known for its insecticidal properties and can be an effective solution for scales on a paper plant. Mix neem oil with water according to the instructions on the product label and spray it on the affected parts of the plant. The oil will suffocate the scales, preventing them from further damaging your plant. Repeat this process every 7-10 days until the scales are gone.

3. Insecticidal Soap

Insecticidal soap is another natural option for controlling scales on a paper plant. It works by breaking down the protective coating of the scales, causing them to dehydrate and die. Dilute insecticidal soap according to the instructions on the product label and spray it directly on the affected areas of the plant. Take care to cover all surfaces, including the undersides of leaves. Repeat the application every 7-10 days until the scales are eradicated.

Chemical Methods of Scale Control

If natural methods do not yield satisfactory results or if the scale infestation is severe, you may need to resort to chemical pesticides. However, it is important to use caution when using chemical pesticides, as they can harm beneficial insects and pollute the environment. Always read and follow the instructions on the product label carefully. Here are two common chemical methods used for scale control:

1. Systemic Insecticides

Systemic insecticides are pesticides that are absorbed by plants and transported throughout their tissues. They can be an effective solution for controlling scales, as they kill insects when they feed on treated plant parts. Apply systemic insecticides as a soil drench or foliar spray according to the instructions on the product label. Remember to protect yourself with gloves and a mask while handling chemicals.

2. Contact Insecticides

Contact insecticides are pesticides that kill insects upon direct contact. They can be applied as sprays, dusts, or granules to target scales on a paper plant. Follow the instructions on the product label for proper application and safety precautions. Keep in mind that contact insecticides may require multiple applications over time to control scales effectively.

Preventing Scale Infestations

Prevention is always better than cure when it comes to dealing with pests. Here are some preventive measures you can take to reduce the risk of future scale infestations on your paper plant:

  • Inspect new plants before bringing them indoors to ensure they are free from scales or other pests.
  • Regularly inspect your paper plant for signs of scales, such as small bumps or sticky residue.
  • Maintain good air circulation around the plant by avoiding overcrowding and regularly pruning any dense foliage.
  • Keep your paper plant healthy by providing it with adequate sunlight, water, and nutrients. A healthy plant is less susceptible to pest infestations.
  • Quarantine any new plants for a few weeks before introducing them to your existing plant collection. This will help prevent the spread of pests.

By following these preventive measures and using effective methods to control scales, you can keep your paper plant healthy and free from these pesky insects. Remember to monitor your plant regularly and take action as soon as you notice any signs of scale infestation. With a little care and attention, you can ensure the long-term health and beauty of your paper plant.