Eggshells can be incredibly versatile and useful in a variety of ways around both the home and the garden. Here are 15 smart and practical uses for them:
In the Garden:
1. Fertilizer
Crushed eggshells are rich in calcium carbonate, which is essential for healthy plant growth. Sprinkle them around your garden to enrich the soil naturally.
2. Seed Starters
Use halved eggshells filled with potting soil as biodegradable seed starters. When the seedlings are ready, plant them directly into the garden — shell and all.
3. Slug and Snail Deterrent
Create a barrier of crushed eggshells around plants to repel slugs and snails, which dislike crawling over the sharp edges.
4. Compost Addition
Eggshells decompose slowly and add valuable calcium to compost piles. Just crush them and toss them in.
5. Soil Aeration
Mixing crushed eggshells into soil improves aeration and benefits shallow-rooted plants.
6. Bird Feed
Clean, crush, and sprinkle eggshells in your yard to offer birds a calcium-rich supplement.
7. Pest Control
The jagged edges of crushed eggshells deter pests like slugs and cutworms when spread around vulnerable plants.
In the Home:
8. Houseplant Fertilizer
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