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How to Get Rid of Thrips in Cordyline Plant

Updated: April 27, 2023

Cordyline plants are popular for their colorful foliage and easy-to-care nature. However, they are not immune to pest infestations, especially thrips. Thrips are tiny insects that feed on the sap of plants, causing damage to the leaves and flowers of the plant. In this article, we will discuss how to get rid of thrips in cordyline plant.

Identifying Thrips Infestation

Before we jump into getting rid of thrips, it is crucial to identify the signs of thrips infestation. Here are some things to look out for:

  • Silver-gray scars on the leaves
  • Curling or distortion of leaves
  • Black spots on leaves
  • Sticky residue on leaves (honeydew)
  • Presence of tiny insects on the underside of the leaves

If you notice any of these signs, it is highly likely that your cordyline plant is infested with thrips.

Natural Remedies for Thrips Infestation

  1. Neem Oil Spray

Neem oil is a natural insecticide that can repel and kill thrips. Mix 2 tablespoons of neem oil in a gallon of water and spray it all over the plant’s foliage, focusing on the underside of the leaves. Repeat this process every week until the thrips are gone.

  1. Garlic Spray

Garlic has natural insecticidal properties that can repel thrips. Crush a few garlic cloves and boil them in a gallon of water. Let it cool down and strain the mixture. Pour the garlic water into a spray bottle and apply it all over the plant’s foliage.

  1. Sticky Traps

Sticky traps are an effective way to catch adult thrips that fly around the plant. Hang yellow sticky traps around the plant to trap adult thrips.

  1. Beneficial Insects

Introducing beneficial insects like ladybugs and lacewings can help control thrips population. These insects feed on thrips and other pests, keeping them in check.

Chemical Remedies for Thrips Infestation

  1. Insecticidal Soap

Insecticidal soap is a low-toxicity insecticide that can kill thrips on contact. Spray the insecticidal soap all over the plant’s foliage, focusing on the underside of the leaves. Repeat this process every week until the thrips are gone.

  1. Pyrethrin Insecticide

Pyrethrin is a natural insecticide derived from chrysanthemum flowers that can kill thrips on contact. Mix pyrethrin insecticide in a gallon of water and spray it all over the plant’s foliage. Repeat this process every week until the thrips are gone.

Preventing Thrips Infestation

Preventing thrips infestation is easier than treating it. Here are some preventive measures you can take to avoid thrips infestation:

  • Keep your cordyline plant healthy with regular watering and fertilization.
  • Keep the plant’s surroundings clean and free of debris.
  • Inspect new plants before bringing them home to avoid introducing thrips to your garden.
  • Quarantine new plants for a few weeks before introducing them to your garden.
  • Use yellow sticky traps to catch adult thrips before they lay eggs on your plants.

FAQ

Can thrips be harmful to humans?

No, thrips are not harmful to humans.

Can thrips infestation kill my cordyline plant?

Thrips infestation can cause damage to your cordyline plant, but it is unlikely to kill the plant.

Can I use neem oil as a preventive measure?

Yes, you can use neem oil as a preventive measure. Spray neem oil on your cordyline plant’s foliage every two weeks to repel thrips and other pests.

Can I use chemical insecticides on my cordyline plant?

Yes, you can use chemical insecticides to treat thrips infestation, but make sure to follow the instructions on the label carefully. Overuse of chemical insecticides can harm your plant and the environment.

How long does it take to get rid of thrips?

Getting rid of thrips can take anywhere from a few days to a few weeks, depending on the severity of the infestation and the treatment method used.