Updated: July 6, 2023

Kalanchoe plants are a popular choice among indoor gardeners due to their vibrant blooms and low maintenance requirements. However, like any other plant, they can be susceptible to various pests. One such pest that can wreak havoc on your Kalanchoe plant is the crusader bug. These small, oval-shaped insects have a brownish or greenish color and feed on the sap of the plant, causing damage to the leaves and stems. If left untreated, a crusader bug infestation can severely weaken your Kalanchoe plant and even lead to its death. In this article, we will discuss effective methods to get rid of crusader bugs and protect your beloved plant.

Identification of Crusader Bugs

Before you can effectively eliminate crusader bugs from your Kalanchoe plant, it is crucial to identify them correctly. Crusader bugs are small insects, usually measuring around 0.2 inches in length. They have a shield-like shape and are typically brown or green in color. You may also notice a distinct white spot or marking on their backs.

Prevention is Key

As with any pest problem, prevention is always better than cure. Implementing certain preventive measures can help keep crusader bugs at bay and protect your Kalanchoe plant from infestation:

  1. Regular Inspection: Regularly inspect your Kalanchoe plant for any signs of pests, including crusader bugs. Early detection can prevent the infestation from spreading and causing significant damage.

  2. Isolation: If you bring home a new Kalanchoe plant or suspect an infestation, isolate it from your other plants until you are sure it is free from pests. This will prevent the bugs from spreading to your other plants.

  3. Proper Watering: Overwatering can weaken your Kalanchoe plant and make it more susceptible to pests. Ensure you water your plant correctly, allowing the soil to dry out between watering sessions.

  4. Cleanliness: Keep your gardening tools and pots clean to avoid introducing any pests to your Kalanchoe plant. Remove dead leaves and debris from the plant’s vicinity regularly.

Natural Methods to Get Rid of Crusader Bugs

If you have already noticed crusader bugs on your Kalanchoe plant, it is essential to take immediate action to eliminate them. Here are some natural methods you can try:

  1. Manual Removal: If the infestation is not severe, manually removing the bugs can be an effective method. Use a pair of tweezers or a cotton swab soaked in rubbing alcohol to gently remove the bugs from your plant. Be sure to dispose of them properly afterward.

  2. Neem Oil: Neem oil is a natural insecticide that can help control crusader bugs. Mix neem oil with water according to the instructions on the product and spray it directly on the affected areas of your Kalanchoe plant. Repeat this process every few days until the infestation is under control.

  3. Garlic Spray: Garlic has natural insect-repelling properties and can be used as a spray to deter crusader bugs. Crush a few garlic cloves and steep them in hot water for a few hours. Strain the liquid and dilute it with water before spraying it on your plant.

  4. Soap Water Solution: A simple solution of mild dish soap and water can effectively kill crusader bugs on contact. Mix a few drops of dish soap in a spray bottle filled with water and spray it on the affected areas of your plant. Repeat this process every few days until the infestation is eliminated.

Chemical Control Options

If natural methods do not provide satisfactory results or if the infestation is severe, you may need to resort to chemical control options. However, it is crucial to use these methods with caution and follow the instructions on the product carefully. Here are some chemical control options to consider:

  1. Insecticidal Soap: Insecticidal soaps are specially formulated to kill insects while being gentle on plants. Spray an insecticidal soap directly on the crusader bugs, ensuring complete coverage. Repeat the application as necessary.

  2. Systemic Insecticides: Systemic insecticides are absorbed by the plant and provide long-lasting protection against pests, including crusader bugs. Apply the insecticide according to the instructions on the product, making sure to minimize contact with other beneficial insects.

  3. Pyrethrin-based Insecticides: Pyrethrin-based insecticides are derived from chrysanthemum flowers and are effective against a wide range of pests, including crusader bugs. However, they can be toxic to bees and other beneficial insects, so use them sparingly and avoid applying them when pollinators are active.

Conclusion

Dealing with a crusader bug infestation on your Kalanchoe plant can be frustrating, but with the right approach, you can successfully eradicate these pests and restore your plant’s health. Remember to implement preventive measures, regularly inspect your plant for signs of infestation, and take immediate action if you notice any crusader bugs. By following the natural and chemical control options discussed in this article, you can protect your beloved Kalanchoe plant and enjoy its vibrant blooms for years to come.