Updated: July 1, 2023

The purple passion plant, also known as Gynura aurantiaca, is a unique and beautiful houseplant that is loved for its vibrant purple foliage. However, like many other indoor plants, it can be susceptible to pests such as scales. Scales are small, oval-shaped insects that attach themselves to the leaves and stems of plants, sucking out their sap and causing damage. If left untreated, scales can weaken and even kill your purple passion plant. In this article, we will discuss effective methods to get rid of scales and keep your plant healthy.

Identifying Scales on Purple Passion Plant

Before we jump into the methods of scale removal, it’s important to know how to identify scales on your purple passion plant. Scales are tiny, flat insects that often appear as small bumps or raised spots on the leaves and stems. They come in various colors such as brown, black, or gray and can sometimes have a shiny or waxy appearance. If you notice any of these symptoms on your plant, it’s likely that you have a scale infestation.

Manual Removal

The first step in getting rid of scales is to manually remove as many of them as possible. Start by inspecting your plant thoroughly, paying close attention to the underside of leaves and along the stems where scales tend to hide. Use a cotton swab dipped in rubbing alcohol or a mixture of dish soap and water to gently wipe off the scales. Make sure to dispose of the cotton swab after each swipe to prevent spreading the infestation.

Pruning Infested Areas

If the scale infestation is severe and widespread, it may be necessary to prune off heavily infested areas of your purple passion plant. Start by sterilizing a pair of sharp pruning shears with rubbing alcohol or a bleach solution to prevent spreading any potential diseases. Carefully remove the affected leaves and stems, making clean cuts just above a leaf node or joint. Be sure to dispose of the pruned plant material away from your other plants to avoid any chance of reinfestation.

Natural Remedies

There are several natural remedies that can help control and eliminate scales on your purple passion plant. These remedies are safe for both the plant and the environment, making them an ideal choice for organic gardeners. Here are a few effective options:

  1. Neem Oil: Neem oil is derived from the seeds of the neem tree and is known for its insecticidal properties. Dilute neem oil with water according to the instructions on the bottle and spray it onto the affected areas of your plant. Make sure to cover both sides of the leaves and all the nooks and crannies where scales may be hiding. Repeat this treatment every 7-10 days until the infestation is under control.

  2. Insecticidal Soap: Insecticidal soap is another effective remedy for controlling scales. It works by suffocating the insects, causing them to die off. Mix a solution of mild liquid soap (such as Castile soap) and water in a spray bottle and apply it to the affected areas of your plant. Leave it on for a few hours, then rinse it off with water. Repeat this treatment every week until all signs of scales disappear.

  3. Diatomaceous Earth: Diatomaceous earth is a natural powder made from fossilized remains of diatoms, a type of algae. It acts as a desiccant, drying out and killing scales upon contact. Sprinkle diatomaceous earth onto the affected areas of your plant, making sure to cover both sides of the leaves. Leave it on for a few days, then gently brush off the powder and rinse the plant with water.

Chemical Control

If natural remedies fail to eliminate scales from your purple passion plant, you may need to resort to chemical control methods. However, it’s important to use chemical pesticides as a last resort and with caution, as they can be harmful to both the environment and beneficial insects. Before using any chemical pesticide, read and follow the instructions on the label carefully.

  1. Systemic Insecticides: Systemic insecticides are absorbed by the plant and transported throughout its tissues, making them effective against scales. Look for a systemic insecticide specifically labeled for scale control and follow the instructions for application. Keep in mind that systemic insecticides may take some time to work, so be patient and monitor your plant closely.

  2. Contact Insecticides: Contact insecticides are designed to kill insects upon contact. Look for an insecticide that is labeled for scale control and apply it directly to the affected areas of your purple passion plant. Make sure to cover both sides of the leaves and follow the instructions on the label regarding dosage and frequency of application.

Preventing Future Infestations

Once you have successfully eliminated scales from your purple passion plant, it’s important to take steps to prevent future infestations. Here are a few preventative measures you can take:

  • Regularly Inspect Your Plant: Regularly inspect your purple passion plant for any signs of pests or diseases. Catching an infestation early can help prevent it from spreading and causing significant damage.

  • Maintain Optimal Growing Conditions: Scales tend to thrive in conditions of high humidity and poor air circulation. Make sure to provide your purple passion plant with adequate light, proper watering, and good airflow to create an environment that is less favorable for pests.

  • Quarantine New Plants: Before introducing a new plant into your collection, quarantine it for a few weeks to ensure it is free from pests. This will help prevent any potential infestations from spreading to your existing plants.

By following these methods and preventative measures, you can effectively get rid of scales on your purple passion plant and keep it healthy and thriving. Remember to be patient and persistent in your efforts, as scale infestations can take time to fully eradicate. With proper care and attention, your purple passion plant will continue to bring beauty to your indoor space for years to come.

Related Posts:

Purple Passion Plant