Slugs and snails are most active in spring and summer, targeting seedlings, flowers, fruits, and vegetables. These pests are particularly active after dark in warm, damp conditions, leaving slime trails and irregular holes in leaves. Deterring them without harsh chemicals can be challenging, but a simple kitchen waste product offers a solution.
Peter Mortin, a gardening expert at Crane Garden Buildings, recommends using crushed eggshells to repel slugs and snails. He explains that pest activity increases dramatically in spring, making garden care difficult. Spreading crushed eggshells around each plant provides a humane and natural deterrent while using a product commonly found in compost bins.
To use this method, save eggshells after cooking, remove all egg residue, wash and dry them thoroughly. Crush the shells into small, sharp pieces using a rolling pin or food processor, then apply them to the base of plants. After heavy rain, reapply the eggshells to maintain effectiveness.
Beyond deterring pests, eggshells offer natural benefits for plants. They contain calcium, phosphorus, magnesium, potassium, zinc, iron, and manganese, which strengthen roots and promote healthy growth. Eggshells can also lower soil pH, making them ideal for plants that prefer alkaline conditions.
