Updated: October 9, 2022

Dipladenia plants are a popular choice for home gardeners due to their beautiful, vibrant flowers and easy-to-care-for nature. However, like any other plant, Dipladenia is susceptible to pest infestations. Thrips are one such pesky insect that can wreak havoc on your Dipladenia plant. In this article, we will discuss how you can identify thrips and get rid of them effectively.

Identifying Thrips

Thrips are tiny insects that are barely visible to the naked eye. They are 1-2 millimeters long and have slender bodies with two pairs of wings. Thrips can be identified by their black or brown color, narrow wings, and long antennae. They feed on the sap of plants and cause damage by puncturing the plant tissues with their mouthparts.

Symptoms of Thrip Infestations

Thrips feed on the leaves, buds, and flowers of Dipladenia plants, causing a range of symptoms. Some common signs of thrip infestations include:

  • Stunted growth
  • Discoloration or distortion of leaves
  • Shriveled or distorted flowers
  • Silver or bronze streaks on leaves
  • Presence of black dots (excrement) on leaves

Methods to Get Rid of Thrips

If you notice any of the above symptoms, it’s essential to take action immediately to prevent thrips from damaging your Dipladenia plant further. Here are some effective methods that can help you get rid of thrips:

Method 1: Insecticidal Soap Spray

Insecticidal soap spray is a natural and effective way to kill thrips without harming your plant. You can make your own insecticidal soap spray by mixing 2 tablespoons of liquid soap with a quart of water. Spray this solution on your Dipladenia plant, focusing on the undersides of leaves where thrips tend to hide. Repeat this process every 5-7 days until thrips are completely eliminated.

Method 2: Neem Oil Spray

Neem oil is a natural pesticide that works well against thrips. Mix 1 tablespoon of neem oil with a quart of water and spray it on your Dipladenia plant, focusing on the undersides of leaves where thrips tend to hide. Repeat this process every 5-7 days until thrips are completely eliminated.

Method 3: Sticky Traps

Sticky traps are an effective way to catch adult thrips. Hang yellow sticky traps near your Dipladenia plant to trap adult thrips. The color of the sticky traps attracts thrips, and they get stuck on it, preventing them from reproducing and causing further damage.

Method 4: Pruning

If you notice severe damage to your Dipladenia plant due to thrip infestations, consider pruning affected leaves and flowers. This will remove the infected areas and prevent further damage to your plant.

Preventing Future Thrip Infestations

Prevention is always better than cure when it comes to pest infestations. Here are some preventive measures that can help you avoid future thrip infestations:

  • Regularly inspect your Dipladenia plant for signs of thrips or other pests.
  • Keep your plant healthy by providing it with adequate sunlight, water, and nutrients.
  • Avoid over-fertilizing your plant, as this can attract pests like thrips.
  • Quarantine new plants for a few days before introducing them to your garden to ensure they are free of pests.


Are thrips harmful to humans?

No, thrips are not harmful to humans. They do not bite or sting humans and are not known to transmit any diseases.

Can thrips infestations spread to other plants?

Yes, thrips can spread to other plants in your garden. It’s essential to isolate infected plants and treat them immediately to prevent thrips from spreading further.

Can pesticides harm my Dipladenia plant?

Yes, pesticides can harm your Dipladenia plant if not used correctly. It’s essential to follow the instructions on the pesticide label carefully and avoid using pesticides during hot or windy weather conditions. Alternatively, you can opt for natural pest control methods like insecticidal soap spray or neem oil spray.

In conclusion, thrips can be a nuisance to your Dipladenia plant, but they are not impossible to get rid of. By following the above methods and preventive measures, you can effectively eliminate thrips and keep your Dipladenia plant healthy and beautiful.