Don’t rush to toss empty egg cartons in the trash. If they’re made from paper pulp (not foam), they can be surprisingly useful in the garden. These biodegradable cartons, created from recycled paper and water, can serve multiple purposes — from protecting plants to enriching compost. Just be sure to avoid styrofoam versions, since they don’t break down and aren’t eco-friendly.

Here are several smart ways to reuse them in your garden:

Plant Protection

According to experienced gardeners, egg cartons can help trap common pests. Place the carton open-side down on the soil near vulnerable plants. Slugs and snails often crawl underneath to hide during the night. In the morning, lift the carton and remove the pests without using chemical treatments. It’s a simple, natural way to manage garden intruders.

Homemade Mulch

Instead of purchasing mulch, tear paper egg cartons into small pieces and spread them around your garden beds. As the material slowly decomposes, it adds organic matter to the soil and helps retain moisture, supporting healthier plant growth.

Seed Starting Containers

Egg cartons make convenient mini seed trays. Fill each cup with seed-starting mix and plant seeds according to the depth instructions on the packet. Keep the soil slightly damp — not overly wet — to prevent the paper from breaking down too quickly. A spray bottle works well for gentle watering without disturbing young seedlings.

Row Markers

Because paper cartons naturally decompose, they’re a safer alternative to plastic plant markers. Cut them into strips, label each one, and place them beside the appropriate crops. You can even decorate them with non-toxic materials for a personalized touch.

Compost Addition

Shredded egg cartons are an excellent “brown” component for compost piles, meaning they provide carbon. For faster breakdown, tear them into smaller pieces and mix them into the compost heap. This helps maintain a healthy balance between carbon-rich and nitrogen-rich materials.

With a little creativity, something as simple as an empty egg carton can become a practical and sustainable tool for maintaining a thriving garden.