Updated: July 3, 2023

Introduction

Watermelons are a popular and refreshing summer fruit that many people enjoy growing in their gardens. However, one common problem that watermelon growers often face is snails. These slimy creatures can quickly devour the leaves and fruits of your watermelon plant if left unchecked. In this article, we will discuss effective methods to get rid of snails on your watermelon plant.

Understand the Enemy: Snails

Before we dive into the methods of controlling snails, it is important to understand these pests and their behavior. Snails are mollusks that have soft bodies and hard shells. They thrive in moist environments and are most active during the night or on cloudy days when the humidity is high.

Snails feed on a wide range of plant material, including leaves, stems, and fruits. They leave behind a trail of slime as they move, which can easily be spotted on your watermelon plant. Their feeding activity can cause significant damage to your watermelon crop if not addressed promptly.

Natural Methods of Control

There are several natural methods you can employ to control snails on your watermelon plant. These methods are safe for both the environment and your watermelon crop.

1. Handpicking

One of the simplest and most effective ways to control snails is by handpicking them off your watermelon plant. This method is best done during early morning or late evening when snails are most active. Wear gloves to protect your hands and collect the snails in a container filled with soapy water. This will ensure that they drown and cannot return to your plants.

2. Beer Traps

Snails are attracted to the smell of beer, making beer traps an effective control method. Bury a shallow dish or container in the ground near your watermelon plant and fill it with beer. The snails will be lured by the scent and fall into the trap, where they will drown. Remember to check and empty the traps regularly.

3. Copper Barriers

Snails dislike crossing copper surfaces due to a reaction between their slime and the metal. Therefore, creating a barrier around your watermelon plant using copper tape or strips can help deter snails from reaching your crop. Ensure that the barrier is at least four inches wide and placed in a complete circle around the plant.

4. Eggshells

Crushed eggshells can act as a deterrent for snails. Spread a layer of crushed eggshells around the base of your watermelon plant to create a rough surface that snails will struggle to crawl over. This method is not foolproof but can help reduce snail populations.

Organic Pest Control

If natural methods alone are not sufficient to control snail infestations on your watermelon plant, there are organic pest control options available that are safe for both plants and humans.

1. Diatomaceous Earth

Diatomaceous earth is a fine powder made from fossilized remains of diatoms, a type of algae. When snails come into contact with diatomaceous earth, it dehydrates their bodies and causes them to die. To use this method, sprinkle a thin layer of diatomaceous earth around your watermelon plant, focusing on areas where snails are commonly found.

2. Iron Phosphate Baits

Iron phosphate baits are an effective organic alternative to traditional chemical-based slug and snail baits. These baits contain iron phosphate, which is safe for use around pets, wildlife, and edible crops like watermelons. Scatter the bait pellets near your watermelon plant according to the manufacturer’s instructions.

Chemical Control

If all else fails, chemical control may be necessary to eliminate a severe snail infestation. However, it is important to use chemical control methods as a last resort and with caution.

1. Snail Bait

Snail baits containing chemicals such as metaldehyde or iron phosphate can be used to control snails. Follow the instructions on the product label carefully, as some baits may be toxic to pets and wildlife. Apply the bait in the evening when snails are most active and avoid direct contact with the watermelon plant.

2. Copper-Based Products

Copper-based products are another option for chemical control of snails. These products create a toxic barrier that snails do not like to cross. However, it is important to use copper-based products sparingly and according to the manufacturer’s instructions, as excessive copper can be harmful to plants.

Conclusion

Snails can be a frustrating pest when it comes to growing watermelon plants. However, by understanding their behavior and implementing effective control methods, you can prevent them from damaging your crop. Remember to start with natural methods and only resort to chemical control if necessary. With patience and persistence, you can successfully get rid of snails on your watermelon plant and enjoy a bountiful harvest.