Updated: July 22, 2023

Introduction

Salvias are beautiful flowering plants that are popular in gardens due to their vibrant colors and attractive foliage. However, one common problem that gardeners often face is the presence of slaters on their salvias plants. Slaters, also known as woodlice or pillbugs, are small crustaceans that feed on decaying organic matter. While they do not cause significant damage to salvias, their presence can be unsightly and bothersome. In this article, we will explore different methods to get rid of slaters on salvias plants and keep your garden looking healthy and pest-free.

Understanding Slaters and their Behavior

Before we discuss the methods to control slaters on salvias plants, it is important to understand their behavior and characteristics. Slaters are small gray or brown creatures that resemble tiny armadillos. They have oval-shaped bodies and segmented shells, which they use for protection. Slaters are nocturnal creatures and prefer dark and damp environments.

Slaters are commonly found in areas with high moisture levels, such as under mulch, rocks, or decaying plant debris. They feed on decaying organic matter, including dead leaves and stems, which makes them beneficial in breaking down organic material in the garden. However, when their numbers increase significantly or when they start feeding on live plant material, it becomes necessary to control their population.

Natural Methods for Controlling Slaters

  1. Remove Moisture Sources: Since slaters thrive in damp environments, one effective way to control them is by removing moisture sources in your garden. Ensure that there is proper drainage in your flower beds and avoid overwatering the salvias plants. Additionally, clear away any decaying plant debris or mulch where slaters may be hiding.

  2. Improve Air Circulation: Slaters prefer stagnant air, so improving air circulation in your garden can deter them from settling near your salvias plants. Prune any dense foliage or overcrowded plants to allow better airflow. You can also consider placing a small fan near the salvias to create a gentle breeze.

  3. Add Beneficial Predators: Introducing natural predators of slaters can help control their population. Some common predators include ground beetles, spiders, and centipedes. Creating a welcoming environment for these predators by providing suitable habitat and food sources can help keep slaters in check.

  4. Use Barriers: Placing physical barriers around your salvias plants can prevent slaters from reaching them. You can use copper tape or diatomaceous earth around the base of the plants to create a barrier that slaters find difficult to cross. Additionally, using coarse mulch or gravel instead of fine mulch can make it harder for slaters to hide and breed.

Chemical Methods for Controlling Slaters

While natural methods are preferred, there may be situations where chemical control becomes necessary if the infestation is severe. Here are some chemical options you can consider:

  1. Insecticides: There are several insecticides available in the market that specifically target slaters. Look for products containing active ingredients such as carbaryl or permethrin. Always follow the instructions provided on the label and apply the insecticide according to the recommended dosage.

  2. Baits: Slaters are attracted to certain food sources, such as decaying plant matter or fruits. You can use this behavior to your advantage by placing bait traps near your salvias plants. Commercial bait traps are available that contain substances that attract slaters and kill them upon ingestion.

Preventing Future Infestations

Prevention is always better than cure when it comes to pest control. Here are some preventive measures you can take to avoid future slater infestations on your salvias plants:

  1. Regular Maintenance: Keep your garden clean and tidy by regularly removing dead plant material and debris. This will eliminate potential hiding spots for slaters and discourage their presence.

  2. Monitor Moisture Levels: Regularly check the moisture levels in your garden to ensure they are not excessively high. Avoid overwatering and provide proper drainage to prevent a damp environment that is favorable for slaters.

  3. Inspect New Plants: Before introducing new salvias plants into your garden, inspect them carefully for any signs of slaters or other pests. Quarantine new plants for a few days to monitor them for any infestations before planting them alongside your existing salvias.

  4. Crop Rotation: If you have recurrent slater problems, consider rotating the location of your salvias plants each year. This will disrupt the slaters’ life cycle and make it harder for them to establish a population.

Conclusion

Slaters can be a nuisance on salvias plants, but with the right techniques, you can effectively control their population and maintain a healthy garden. Natural methods such as removing moisture sources, improving air circulation, and introducing beneficial predators are often sufficient to keep slaters in check. However, if the infestation is severe, chemical control options can be considered. By following preventive measures and practicing regular maintenance, you can prevent future slater infestations and enjoy the beauty of your salvias plants without any unwanted guests.