Updated: July 28, 2023

Introduction

Slaters, also known as woodlice or pill bugs, are common pests that can infest juniper plants. These small crustaceans feed on decaying plant material and can cause damage to the leaves and stems of junipers if left unchecked. If you’ve noticed slaters on your juniper plant, it’s important to take action to prevent further damage. In this article, we’ll discuss effective methods for getting rid of slaters and protecting your juniper plants.

Identifying Slaters

Before diving into the eradication methods, it’s crucial to properly identify slaters. Slaters are small, grayish-brown creatures with segmented bodies and multiple legs. They have a distinctive pill-like shape, which is why they are also called pill bugs. While they resemble insects, slaters are actually land-dwelling crustaceans and are related to lobsters and crabs.

Understanding the Damage

Slaters primarily feed on decomposing organic matter, such as dead leaves and plant debris. However, they can also feed on live plant material when their preferred food sources are scarce. This includes the leaves and stems of juniper plants. The damage caused by slaters is characterized by irregular holes in the leaves and chewed-on stems. If left untreated, a severe infestation can lead to stunted growth and even death of the juniper plant.

Prevention Measures

Preventing slater infestations is key to maintaining healthy juniper plants. Here are some preventive measures you can take:

1. Remove Attractants:

Regularly clean up fallen leaves and other decaying plant matter around your juniper plants. This will eliminate potential food sources for slaters and reduce their attraction to your garden.

2. Improve Drainage:

Slaters thrive in damp environments. Ensure proper drainage in the soil around your juniper plants to minimize moisture and create an unfavorable habitat for slaters.

3. Create Physical Barriers:

Consider placing a layer of gravel or crushed eggshells around the base of your juniper plants. This acts as a physical barrier that slaters find difficult to cross, thus preventing them from reaching the plant.

Natural Remedies

If preventive measures fail and you still find slaters on your juniper plants, there are several natural remedies you can try:

1. Diatomaceous Earth:

Diatomaceous earth is a natural powder made from fossilized algae. When sprinkled around the base of juniper plants, it creates a barrier that dehydrates and kills slaters upon contact. Make sure to reapply after rain or watering.

2. Beer Traps:

Slaters are attracted to the scent of beer. Bury small containers, such as yogurt cups, in the soil near your juniper plants and fill them with beer. Slaters will be lured into the traps and drown in the beer.

3. Onion Traps:

Cut an onion into small pieces and place them in a shallow dish filled with water. Sink the dish into the soil near your juniper plants. The onion’s strong odor will attract slaters, causing them to fall into the water and drown.

4. Beneficial Predators:

Introduce natural predators of slaters, such as ground beetles or centipedes, into your garden. These predators will feed on slaters and help control their population.

Chemical Control

If natural remedies do not provide satisfactory results, chemical control may be necessary. It’s important to use chemical pesticides as a last resort and with caution to avoid harming beneficial insects and pollinators. Follow these guidelines when using chemical control methods:

1. Choose Targeted Insecticides:

Select insecticides specifically formulated to target slaters. These products are available in both liquid and granular forms. Read and follow the instructions on the label carefully.

2. Apply at the Right Time:

Apply insecticides in the late afternoon or evening when slaters are most active. This will ensure maximum exposure to the pesticide.

3. Treat Infested Areas:

Concentrate your pesticide application around the affected areas of your juniper plants. Pay close attention to the base of the plant and the underside of leaves, as these are common hiding spots for slaters.

4. Repeat as Necessary:

Depending on the severity of the infestation, multiple applications of the insecticide may be required. Follow the manufacturer’s recommendations for reapplication intervals.

Conclusion

Slaters can pose a threat to the health and aesthetics of your juniper plants. By implementing preventive measures, using natural remedies, and resorting to chemical control when necessary, you can effectively get rid of slaters and protect your juniper plants from further damage. Regular monitoring and maintenance will help ensure healthy and thriving juniper plants in your garden.