Updated: July 12, 2023

Introduction

Snapdragons are beautiful and vibrant flowering plants that add color and texture to any garden. Unfortunately, these plants can sometimes attract unwanted pests like slaters, also known as woodlice or pillbugs. Slaters are small crustaceans that typically feed on decaying organic matter. However, they can also cause damage to snapdragon plants by feeding on the leaves and stems. If you’re dealing with slaters on your snapdragon plant, here are some effective methods to get rid of them.

1. Identify the Problem

Before taking any action, it’s important to correctly identify the presence of slaters on your snapdragon plant. Slaters are grayish-brown in color and have a segmented body with numerous legs. They are small in size, ranging from 1/4 to 3/4 of an inch long. You may notice them crawling around the base of the plant or hiding under leaves and debris.

2. Remove Attractive Conditions

Slaters are attracted to areas with high moisture levels and decaying organic matter. To discourage their presence, ensure that your snapdragon plant is not overwatered. Avoid excessive irrigation and make sure the soil has adequate drainage to prevent waterlogging. Additionally, remove any dead leaves, mulch, or other organic debris from around the base of the plant. This will eliminate potential hiding spots and food sources for slaters.

3. Natural Predators

Introducing natural predators into your garden can be an effective way to control slater populations. Some common predators of slaters include ground beetles, centipedes, spiders, and certain species of birds. By attracting or introducing these predators into your garden, they will naturally feed on slaters and help keep their population in check. Creating a diverse and balanced ecosystem in your garden can greatly reduce the likelihood of slater infestations.

4. Diatomaceous Earth

Diatomaceous earth is a natural and non-toxic substance that can be used to control slaters. It is made up of the fossilized remains of diatoms, which are a type of algae. The sharp edges of diatomaceous earth particles cut through the exoskeleton of slaters, causing them to dehydrate and die. Simply sprinkle a thin layer of diatomaceous earth around the base of your snapdragon plant and any areas where slaters are present. Be sure to reapply after rain or irrigation.

5. Copper Tape or Wire

Slaters are known to avoid copper due to its electrical conductivity. Using copper tape or wire as a barrier around your snapdragon plant can effectively deter them from climbing onto the leaves and stems. Wrap the copper tape or wire around the base of the plant, creating a ring that slaters cannot cross. This physical barrier will prevent them from reaching the foliage and causing damage.

6. Beer Traps

Beer traps are a popular method for controlling slaters in gardens. Slaters are attracted to the yeast in beer and will crawl into the trap, eventually drowning in the liquid. To create a beer trap, bury a shallow container, such as a jar lid or plastic cup, in the soil near your snapdragon plant. Fill it with beer, ensuring that it is level with the ground surface. Check and empty the trap regularly, refilling with fresh beer as needed.

7. Organic Insecticides

If all else fails and you still have a significant slater infestation on your snapdragon plant, you may consider using organic insecticides as a last resort. Look for products that contain natural ingredients like neem oil, pyrethrin, or spinosad. These insecticides can be effective in killing slaters while being relatively safe for beneficial insects and the environment. Follow the instructions on the product label carefully and apply the insecticide according to the recommended dosage.

Conclusion

Dealing with slaters on your snapdragon plant can be frustrating, but with the right techniques, you can effectively control their population and protect your plant. Remember to identify the problem accurately, remove attractive conditions, introduce natural predators, and use methods like diatomaceous earth, copper tape, beer traps, or organic insecticides as necessary. By taking proactive measures, you can ensure that your snapdragon plant thrives without being invaded by slaters.