Updated: July 18, 2023

Introduction

Slaters, also known as woodlice or pillbugs, are small crustaceans that are often found in damp and dark environments. While they may not cause significant damage to most plants, they can become a nuisance when they infest your parsley plants. Slaters feed on decaying organic matter and can chew through the leaves of your parsley, leading to unsightly damage. If you’re struggling with slaters on your parsley plants, here are some effective methods to get rid of them.

1. Identify the Problem

Before taking any action, it’s important to make sure that slaters are the actual cause of damage to your parsley plants. Look for small, round holes on the leaves or irregular chew marks. Slaters are most active at night, so you may need to inspect your plants after dark using a flashlight. Additionally, you may notice the presence of slaters hiding under pots or around the base of your parsley plants during the day.

2. Provide a Dry Environment

Slaters thrive in moist environments, so one way to discourage their presence is by making sure the area around your parsley plant is dry. Avoid overwatering your plants and ensure good drainage. If you have potted parsley plants, make sure the pots have drainage holes and remove excess water from saucers or trays immediately.

3. Remove Attractants

Slaters are attracted to decaying organic matter such as fallen leaves or rotting fruits. Regularly clean up any debris around your parsley plants to eliminate potential food sources for slaters. This includes removing dead leaves, fallen fruits, or any other decaying matter in the vicinity.

4. Create a Physical Barrier

If slaters persistently infest your parsley plants, consider creating a physical barrier to prevent their access. You can use copper tape or a band of petroleum jelly around the base of the plant to create an obstacle that slaters cannot cross. Alternatively, you can place a barrier made of diatomaceous earth, which is a natural substance that has sharp edges that can deter slaters.

5. Introduce Natural Predators

Another effective method to control slaters on parsley plants is by introducing their natural predators into your garden. Ground beetles, centipedes, and spiders are known to feed on slaters. By attracting these beneficial insects to your garden through suitable habitats, you can reduce the population of slaters naturally.

6. Use Organic Insecticides

If all else fails, you may consider using organic insecticides to control slaters on your parsley plants. There are several options available that are safe for both humans and the environment. Bacillus thuringiensis (BT) is a natural bacteria that specifically targets insects and can be effective against slaters. Neem oil is another organic product that can be used as a spray to deter and kill slaters on contact.

7. Companion Planting

Companion planting involves growing certain plants together to benefit each other. Some plants are known to repel or deter pests, including slaters. By strategically planting these herbs or flowers near your parsley plants, you can help deter slaters naturally. Some examples of companion plants that repel slaters include lavender, thyme, and marigolds.

8. Regularly Inspect and Monitor

To effectively control slaters on your parsley plants, it’s important to regularly inspect and monitor them for signs of infestation. Catching the problem early will make it easier to manage. Check the leaves, stems, and soil regularly for any signs of slater activity. By staying vigilant, you can prevent any significant damage to your parsley plants.

Conclusion

Slaters can be a nuisance when they infest your parsley plants, but with the right methods, you can effectively control and eliminate them. By creating a dry environment, removing attractants, using physical barriers, introducing natural predators, and utilizing organic insecticides, you can protect your parsley plants from slater damage. Additionally, companion planting and regular monitoring will help prevent any future infestations. With these strategies in place, you can enjoy healthy and thriving parsley plants throughout the growing season.