How to Get Rid of Snails on Yarrow Plant

Yarrow, also known as Achillea millefolium, is a beautiful flowering plant that adds color and texture to any garden. However, snails can be a nuisance and can cause damage to the yarrow plant if left unchecked. In this article, we will discuss effective methods to get rid of snails on yarrow plants and protect your garden investment.

Understanding Snail Behavior

Before we dive into the various methods to control snails on yarrow plants, it is important to understand their behavior. Snails are nocturnal creatures that thrive in damp conditions. They are attracted to the moisture in the soil and the leaves of the yarrow plant. Snails have a soft body with a hard protective shell, which they retreat into when threatened.

Snails move slowly and leave behind a trail of slime as they travel. They feed on plant foliage, including the leaves and flowers of yarrow plants. Their feeding activity can result in unsightly holes in the leaves and stunted growth of the plant.

Natural Methods to Control Snails

1. Handpicking: One of the simplest and most effective methods to control snails is by handpicking them. This method requires you to physically remove snails from the yarrow plant and relocate them away from your garden. It is best to do this in the evening or early morning when snails are most active. Remember to wear gloves to protect your hands from their slimy trails.

2. Beer Traps: Snails are attracted to beer, making beer traps an effective way to lure and trap them. Dig small holes near the yarrow plants and fill them with beer. The snails will be drawn to the beer, fall into the traps, and drown. Empty and refill the traps regularly for continued effectiveness.

3. Copper Barriers: Snails dislike coming into contact with copper, so placing copper barriers around the yarrow plant can deter them. You can use copper tape or strips and create a ring around the plant. When snails come in contact with the copper, it creates a reaction that repels them.

4. Eggshell Mulch: Crushed eggshells scattered around the base of yarrow plants can act as a natural barrier against snails. The sharp edges of the eggshells deter snails from crawling over them. Additionally, eggshells provide beneficial nutrients to the soil as they break down.

Organic Products for Snail Control

1. Diatomaceous Earth: Diatomaceous earth is a natural product made from fossilized remains of marine phytoplankton. It has sharp particles that pierce and dehydrate snails upon contact. Sprinkle diatomaceous earth around the base of the yarrow plant to create a barrier and eliminate snails.

2. Iron Phosphate-Based Baits: Iron phosphate-based baits are an organic solution for controlling snails and slugs. These baits are available in granular or pellet form and are safe to use around pets, wildlife, and beneficial insects. Follow the instructions on the product label for best results.

3. Nematodes: Nematodes are microscopic worms that prey on snails and slugs. They can be purchased as beneficial insects and applied to the soil around yarrow plants. Nematodes infect and kill snails from within, providing long-term control.

Cultural Practices to Reduce Snail Infestation

In addition to using natural methods and organic products, there are certain cultural practices you can incorporate to reduce snail infestation on yarrow plants:

1. Remove hiding places: Snails seek shelter in dark, damp areas during the day. Remove debris, rocks, and any other potential hiding places near yarrow plants to discourage snails from taking up residence.

2. Water in the morning: Watering yarrow plants in the morning allows the leaves to dry out during the day, reducing moisture levels that attract snails. Avoid overhead watering, as it can create ideal conditions for snail infestation.

3. Encourage natural predators: Introduce natural predators of snails, such as birds, frogs, and toads, into your garden. Providing suitable habitats and food sources for these creatures can help control snail populations naturally.

4. Prune and thin: Proper pruning and thinning of yarrow plants can improve air circulation and reduce humidity levels, making the environment less favorable for snails.

Conclusion

Snails can be a pesky problem for yarrow plants, but with a combination of natural methods, organic products, and cultural practices, you can effectively control their population and protect your garden investment. Regular monitoring and prompt action are key to preventing significant damage to your yarrow plants. Implement these strategies, and enjoy a healthy and snail-free garden!