Boost Winter Gardens: Use Eggshells to Deter Pests

Pests pose a significant risk to gardens, especially during winter months when plants are vulnerable. A recent video by gardening expert Ish on TikTok highlighted a simple and effective method to protect plants from common threats like snails and slugs: using crushed egg shells. This kitchen scrap not only deters pests but also enriches soil, making it a valuable addition to any gardener’s toolkit.

In the video, Ish emphasized the importance of not discarding eggshells. “Don’t throw away those egg shells because they’re packed full of beneficial nutrients for your garden,” he stated. The sharp and crisp edges of the shells create an unwelcoming terrain for slugs and snails, discouraging them from crossing over to reach treasured plants.

To implement this method, gardeners should crush the shells into smaller pieces and distribute them atop the soil surrounding their plants, whether in pots or directly in the ground. This application forms an abrasive barrier that pests find difficult to traverse. It’s crucial to ensure the shells are completely dry for optimal effectiveness, as moisture from watering or rain can reduce their protective qualities. According to Homes and Gardens, “watering and rain will both interfere with this hack from working – so it is one to try on dry days or try another method instead.”

Beyond pest deterrence, eggshells also serve as a natural fertiliser. Gardeners can add them to compost or grind them into a powder for easy application. When ready to use, simply sprinkle the crushed shells liberally onto the soil and around plants. The high calcium content, primarily in the form of calcium carbonate, along with additional nutrients, makes eggshells a useful amendment for many soil types.

As noted by GardenersWorld, eggs contain a variety of beneficial minerals, including phosphorus, magnesium, potassium, zinc, iron, and manganese. These nutrients help to balance soil acidity and address calcium deficiency, particularly in fast-growing plants. The Spruce highlights that eggshells are particularly beneficial for lime-loving plants such as brassicas, while cautioning against using them for acid-loving plants like rhododendrons.

Incorporating eggshells into gardening practices not only reduces waste but also provides a sustainable way to enhance plant health while keeping pests at bay. With winter approaching, this simple technique may provide gardeners with an effective strategy to protect their plants against unwanted invaders.