Updated: July 2, 2023

Snails can be a nuisance in the garden, especially when they start munching on your precious plants. If you’re growing Yerba Mate, a popular beverage plant known for its caffeine-infused leaves, you may find snails posing a threat to your plant’s health and productivity.

Snail damage can be devastating to Yerba Mate plants, as they tend to feed on the leaves and stems, leaving behind unsightly holes and weakening the plant’s overall health. However, there are several effective methods you can employ to get rid of snails and protect your Yerba Mate plant. In this article, we will explore these methods and guide you towards a snail-free garden.

Understanding Snails and Their Behavior

Before diving into the remedies, it’s essential to understand the behavior and life cycle of snails. Snails are gastropods that thrive in damp and moist conditions. They are most active during nighttime or on cloudy days when the humidity is high. Snails have a natural instinct to search for food sources, which often leads them to gardens.

Snails leave behind a trail of slime as they move around, enabling you to track their movement patterns. They prefer feeding on tender leaves and can quickly multiply if not controlled timely.

Natural Remedies to Keep Snails Away

  1. Handpicking: The simplest method for getting rid of snails is manually picking them off your Yerba Mate plant and relocating them elsewhere. This method is time-consuming but highly effective for small-scale infestations.

  2. Beer traps: Snails are attracted to yeast-based liquids like beer. You can create simple beer traps by burying shallow containers in the ground near your Yerba Mate plant and filling them with beer. The snails will be lured into the containers and drown in the beer. Remember to empty and refill the traps regularly.

  3. Copper barriers: Snails dislike crawling over copper surfaces due to the electrical charge it produces. By placing copper tape or wire around the base of your Yerba Mate plant or making a copper ring, you can create a barrier that snails find difficult to cross.

  4. Eggshell barriers: Another natural deterrent for snails is crushed eggshells. By spreading a layer of crushed eggshells around your Yerba Mate plant, you create a rough surface that snails find challenging to navigate.

  5. Coffee grounds: Snails are repelled by caffeine, making coffee grounds an effective natural deterrent. Sprinkle used coffee grounds around your Yerba Mate plant to deter snails from approaching.

  6. Predators: Introducing natural predators into your garden can help control snail populations. Ducks, frogs, and birds like thrushes and blackbirds are known to feast on snails. Attracting these animals to your garden can provide a natural solution to your snail problem.

Organic Pest Control Methods

If the infestation is severe, or if natural remedies fail to provide satisfactory results, you may consider using organic pest control methods to eliminate snails from your Yerba Mate plants.

  1. Iron phosphate baits: Iron phosphate-based baits are considered safe for use in organic gardening. These baits contain iron phosphate as the active ingredient, which is harmless to humans, pets, and beneficial insects but deadly to snails and slugs. Follow the package instructions for proper application.

  2. Diatomaceous earth: Diatomaceous earth is another organic option for snail control. This finely ground powder contains microscopic fossilized remains that have sharp edges, which pierce the soft bodies of snails and dehydrate them. Sprinkle diatomaceous earth around your Yerba Mate plant, focusing on areas where snails are commonly found.

  3. Handmade soap solution: Creating a soap solution by mixing liquid dish soap with water can be an effective way to eliminate snails. Spray this mixture directly on the snails or their hiding places to kill them. However, be cautious not to use too much soap, as it may harm your Yerba Mate plant.

Prevention Tips for Snail Infestations

Preventing snail infestations is always better than dealing with them later. Here are some preventive measures you can take to keep snails away from your Yerba Mate plants:

  1. Remove hiding places: Regularly clean up garden debris and remove any materials that can provide shelter for snails. This includes piles of leaves, rocks, and unused pots.

  2. Proper watering: Avoid overwatering your Yerba Mate plant, as excess moisture attracts snails. Water the plant in the morning to allow the foliage to dry out during the day.

  3. Raised beds: Consider planting your Yerba Mate plant in raised beds or containers. This makes it harder for snails to access the plants and reduces the risk of infestation.

  4. Natural barriers: Surround your Yerba Mate plant with plants that naturally repel snails, such as lavender, rosemary, and sage. These plants emit scents that snails find unpleasant and will deter them from approaching.

In conclusion, snail infestations can be detrimental to Yerba Mate plants, but there are various methods available to combat these pests effectively. By understanding their behavior and employing natural remedies or organic pest control methods, you can protect your Yerba Mate plant and enjoy a thriving garden free from snail damage. Remember to also implement preventive measures to keep snail populations under control in the long run.