Updated: June 13, 2023

Introduction

Heuchera plants, also known as coral bells, are popular perennials known for their vibrant foliage and delicate flowers. However, these beautiful plants can often fall victim to snail infestations, which can cause significant damage to the leaves and overall health of the plant. If you notice snails on your Heuchera plants, it is important to take action promptly to prevent further harm. In this article, we will discuss effective methods to get rid of snails on Heuchera plants and protect your garden investment.

Understanding Snail Behavior

Before we delve into the various methods of snail control, it is essential to understand the behavior of these garden pests. Snails are most active during damp and cool weather conditions, typically coming out at night or during periods of rainfall. They are attracted to the lush foliage and moisture levels provided by Heuchera plants, making them a prime target for infestations.

Snails feed by scraping away the surface of leaves, leaving behind irregular holes and ragged edges. They are particularly fond of young, tender leaves and can quickly strip a plant of its foliage if left unchecked. Therefore, early detection and intervention are crucial in preventing severe damage.

Manual Removal

The simplest and most eco-friendly method of getting rid of snails on Heuchera plants is manual removal. This involves physically picking off the snails from the plant and disposing of them appropriately. To do this effectively:

  1. Inspect your plants regularly: Regularly inspect your Heuchera plants for signs of snail activity. Look for slime trails, chewed leaves, or visible snails themselves.

  2. Handpick the snails: Using gloves or tweezers, carefully pick off the snails from the plant and place them into a container filled with soapy water. The soap will drown the snails, ensuring they cannot return to your garden.

  3. Dispose of the snails: Once you have removed the snails from your Heuchera plants, dispose of them in a sealed bag or bin to prevent them from returning to your garden.

While manual removal can be time-consuming, it is an effective method for smaller infestations and can help reduce snail populations significantly.

Barriers and Traps

Another approach to controlling snails on Heuchera plants is by implementing barriers and traps. These methods work by creating physical barriers that deter snails or by using traps to capture and remove them. Some effective techniques include:

  1. Copper barriers: Snails dislike the sensation of copper, making it an excellent deterrent. Place copper tape or wire around the base of your Heuchera plants to create a barrier that snails will avoid.

  2. Eggshell barriers: Crushed eggshells can also act as a barrier against snails. Sprinkle crushed eggshells around your plants to create a rough surface that snails find difficult to navigate.

  3. Beer traps: Snails are attracted to the smell of beer and will crawl into containers baited with beer. Sink shallow containers into the soil near your Heuchera plants, filled with beer up to an inch below the rim. The snails will be lured in by the scent and drown in the liquid.

  4. Diatomaceous earth: Sprinkling diatomaceous earth around your Heuchera plants creates a barrier that snails find abrasive. The sharp edges of diatomaceous earth cause damage to their soft bodies, effectively deterring them from climbing up the plant.

Natural Predators

Introducing natural predators into your garden can be an effective long-term solution for snail control. Many animals, such as birds, frogs, toads, and certain types of beetles, feed on snails and can help keep their populations in check. To attract these natural predators to your garden:

  1. Create a welcoming environment: Provide bird feeders, bird baths, and shelters to attract birds to your garden. Amphibians, such as frogs and toads, also require a water source, so consider adding a pond or water feature.

  2. Plant native species: Native plants are more likely to attract local insects, including snail-eating beetles. Incorporate a variety of native plants into your garden to encourage biodiversity.

While natural predators can be effective, it is important to note that they may not completely eradicate snail populations. Therefore, it is advisable to use them in conjunction with other control methods for optimal results.

Chemical Control

If manual removal and other natural methods have proven ineffective or if you are dealing with a severe infestation, chemical control may be necessary as a last resort. However, it is important to exercise caution when using chemical pesticides due to their potential impact on beneficial insects and the environment. If you choose to use chemical control:

  1. Select snail-specific pesticides: Look for pesticides specifically formulated for snail control. These products are often labeled as molluscicides and are designed to target snails while minimizing harm to other organisms.

  2. Follow instructions carefully: Read and follow the instructions on the pesticide label carefully. Apply the product according to the recommended dosage and timing, and avoid spraying during periods of heavy rainfall or high winds.

  3. Consider organic alternatives: If possible, opt for organic or natural-based pesticides that are less harmful to the environment and beneficial organisms.

Remember that chemical control should always be used as a last resort and only when necessary.

Conclusion

Snails can pose a significant threat to Heuchera plants, but with prompt action and appropriate control methods, you can effectively get rid of them and protect your garden investment. From manual removal and barriers to natural predators and chemical controls, there are various approaches to choose from. Select the method or combination of methods that align with your preferences and the severity of the infestation. By staying vigilant and implementing proper snail control measures, you can ensure your Heuchera plants thrive and remain free from these garden pests.