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How to Get Rid of Borers on Spider Lily Plant

Updated: July 13, 2023

Spider lilies are beautiful flowering plants that add a touch of elegance to any garden or landscape. However, like any other plant, they are susceptible to pests and diseases. One common pest that can wreak havoc on spider lilies is borers. Borers are insects that bore into the stems and leaves of plants, causing damage and weakening the overall health of the plant. In this article, we will discuss how to get rid of borers on spider lily plants and prevent further infestations.

Identifying Borers

Before we dive into the methods of getting rid of borers, it is important to be able to identify them. Borers are small, worm-like insects that typically have a whitish or cream-colored body with a brown head. They can vary in size, but most borers are less than an inch long. The first sign of a borer infestation is often wilting or yellowing leaves, as well as holes or tunnels in the stems and leaves of the plant.

Natural Remedies

If you notice borers on your spider lily plants, it is best to act quickly to prevent them from causing significant damage. Here are some natural remedies that can help control and get rid of borers:

1. Neem Oil

Neem oil is derived from the neem tree and has insecticidal properties. It works by disrupting the life cycle of insects, including borers. Mix neem oil with water according to the instructions on the bottle and spray it onto the affected parts of the spider lily plant. Repeat this process every few days until the borers are gone.

2. Garlic Spray

Garlic has natural insect-repellent properties and can be used to deter borers from infesting your spider lily plants. To make a garlic spray, crush a few cloves of garlic and mix them with water. Let the mixture sit overnight, then strain it and pour it into a spray bottle. Spray the solution onto the affected parts of the plant, making sure to cover all surfaces. Repeat this process every few days until the borers are eliminated.

3. Beneficial Insects

Introducing beneficial insects into your garden can help control borer populations. Ladybugs, lacewings, and parasitic wasps are just a few examples of beneficial insects that feed on borers. You can attract these insects to your garden by planting flowers that they are attracted to, such as cosmos or marigolds. Additionally, you can purchase beneficial insects from garden supply stores and release them near your spider lily plants.

Chemical Control

If natural remedies do not effectively eliminate the borer infestation on your spider lily plants, you may need to use chemical control methods as a last resort. However, it is important to use chemicals responsibly and follow the instructions on the label carefully. Here are a few chemical options for controlling borers:

1. Insecticidal Soap

Insecticidal soaps are a safe and effective option for controlling borers. They work by suffocating the insects upon contact. Dilute the insecticidal soap according to the instructions on the bottle and spray it onto the affected parts of the plant. Be sure to cover all surfaces thoroughly. Repeat this process every few days until the borers are eliminated.

2. Systemic Insecticides

Systemic insecticides are absorbed by the plant and transported throughout its tissues, making them an effective solution for controlling borers that are hidden within the stems or leaves. However, systemic insecticides should be used with caution as they can also harm beneficial insects. Follow the instructions on the label carefully and apply the insecticide according to the recommended guidelines.

Prevention Tips

Preventing borer infestations is always better than trying to eliminate them once they have taken hold. Here are some prevention tips to keep your spider lily plants healthy and free from borers:

  1. Plant healthy bulbs: Start with healthy spider lily bulbs from reputable sources to minimize the risk of introducing borers to your garden.

  2. Prune and dispose: Regularly inspect your spider lilies for any signs of borers. If you spot any infested stems or leaves, prune them off and dispose of them in a sealed bag or burn them to prevent the spread of borers.

  3. Mulch properly: Apply a layer of organic mulch around the base of the spider lily plants to help retain moisture and suppress weed growth, but make sure not to pile it up against the stems as this can create a favorable environment for borers.

  4. Practice good sanitation: Keep your garden clean by removing fallen leaves and debris, as these can provide hiding places for pests.

  5. Rotate crops: If you have multiple spider lily plants, avoid planting them in the same location year after year. By rotating their location, you can disrupt the life cycle of borers and reduce the risk of infestations.

By following these prevention tips and using natural remedies or chemical control methods when necessary, you can effectively get rid of borers on your spider lily plants and ensure their long-term health and beauty. Remember to always read and follow the instructions on any products used, and if you are unsure or dealing with a severe infestation, consult with a professional gardener or horticulturist for further guidance.