Updated: July 18, 2023

Olive plants are a popular choice for both indoor and outdoor gardening due to their beauty, versatility, and the delicious fruit they produce. However, like any plant, olive trees are vulnerable to pests, including slaters. These small crustaceans are often found in moist environments and can cause damage to olive plants if not controlled. In this article, we will explore effective methods to get rid of slaters and keep your olive plant healthy.

Understanding Slaters

Slaters, also known as woodlice or pill bugs, are small crustaceans that belong to the order Isopoda. They are typically gray or brown in color and have a segmented body with seven pairs of legs. Slaters prefer damp environments and feed on decaying organic matter. While they are generally considered beneficial in garden ecosystems as they help break down organic materials, they can become a nuisance when they start feeding on living plants.

Signs of Slaters Infestation

To identify if your olive plant is infested with slaters, look out for the following signs:

  1. Bite marks: Slaters feed on the leaves and stems of plants, leaving behind distinctive bite marks. These marks may appear as irregular holes or notches.

  2. Damaged fruit: If you notice that the fruit on your olive plant has been nibbled on or has small holes in them, it could be an indication of slater activity.

  3. Visible slaters: Slaters are nocturnal creatures and tend to hide during the day. However, if you see them crawling around your olive plant or hiding under pots or mulch, it is a clear sign of infestation.

Natural Ways to Control Slaters

When dealing with slaters on your olive plant, it is always best to opt for natural methods of control to avoid harmful chemicals. Here are several effective strategies you can try:

1. Remove hiding places

Slaters love damp and dark hiding spots. By removing their hiding places, you can discourage their presence around your olive plant. Clear away any debris, mulch, or fallen leaves from the base of the plant. Ensure that there are no cracks or crevices in pots or containers where slaters can hide.

2. Create a dry environment

Slaters thrive in moist conditions, so ensuring your olive plant’s surroundings are dry can help deter them. Avoid overwatering your plant and ensure proper drainage to prevent water from pooling around the roots. Additionally, consider using a layer of gravel or sand as a mulch instead of organic matter, as it will help keep the soil drier.

3. Use natural repellents

Certain substances act as natural repellents for slaters. Sprinkling diatomaceous earth around the base of your olive plant creates a barrier that slaters find difficult to cross. Diatomaceous earth is a powder made from fossilized remains of marine organisms and is harmless to plants and animals but effective against pests.

4. Introduce natural predators

Some insects and animals naturally prey on slaters and can help control their population. For example, ground beetles, spiders, and certain species of birds feed on slaters. Encouraging these predators in your garden by providing suitable habitats, such as shrubs or birdhouses, can aid in reducing slater populations.

Organic Pest Control Products

If natural methods alone are not effective in eliminating slaters from your olive plant, there are also organic pest control products available that can be used as a last resort:

1. Insecticidal soap

Insecticidal soap is a safe and effective option for controlling slaters on olive plants. It works by suffocating the pests on contact. Follow the instructions on the product label and apply the soap directly to the affected areas of your plant.

2. Neem oil

Neem oil is another organic pesticide that can be used to control slaters. It is derived from the neem tree and acts as a repellent, disrupts their feeding, and inhibits their growth. Dilute the neem oil according to the instructions and spray it on the affected parts of your olive plant.

Conclusion

Slaters can be a nuisance when they start feeding on your olive plants, but with proper care and natural pest control methods, you can effectively get rid of them. Remember to create a dry environment, remove hiding places, use natural repellents, introduce natural predators, and if necessary, consider organic pest control products. By following these strategies, you can keep your olive plant healthy and free from slaters.