Can I put acorns in my compost bin?


You can put acorns into your composting bin!

Key info
Brown material📂
6-24 months

Get the right balance of brown and green composting materials in your bin with our expert guide.

Acorns are the nuts produced by oak trees and are compostable. They are typically rich in nutrients and can contribute to the overall quality of compost. By including acorns in your composting routine, you can reduce waste and enhance the fertility of your compost.

Nutritional Value of Acorns

Acorns are a good source of carbohydrates, proteins, and fats. They also contain essential minerals like calcium, phosphorus, and potassium. When added to compost, these nutrients gradually break down during the composting process and become available for plants to utilize.

Preparing Acorns for Composting

Before adding acorns to your compost bin, it is recommended to follow these guidelines:

  1. Remove the caps: Acorns are usually attached to caps that need to be removed before composting. You can easily twist or pop off the caps from the acorns.
  2. Check for mold or damage: Inspect the acorns and discard any that show signs of mold or significant damage. It is best to compost only healthy acorns.
  3. Break acorns into smaller pieces: To accelerate the composting process, you can break the acorns into smaller pieces with a hammer or by crushing them underfoot. This will expose more surface area for decomposition.

Incorporating Acorns into Compost

When adding acorns to your compost pile, follow these steps:

  1. Mix acorns with other compost materials: Combine acorns with a variety of "brown" materials like dry leaves, straw, or wood chips, as well as "green" materials like grass clippings or vegetable scraps. This will help achieve a balanced carbon-to-nitrogen ratio in the compost pile.
  2. Create layers or mix thoroughly: You can choose to create alternating layers of acorns and other compost materials, or you can mix them thoroughly. Both methods will promote decomposition.
  3. Maintain optimal compost conditions: Monitor the moisture levels in your compost and ensure it remains moist but not waterlogged. Turn the compost pile regularly to provide proper aeration.


In conclusion, acorns are compostable and can be included in your composting efforts. Their high nutrient content makes them a valuable addition to the compost, contributing to the fertility of the soil. Remember to remove the caps, check for mold or damage, and break the acorns into smaller pieces before adding them to the compost pile. By following these guidelines, you can effectively compost acorns and create nutrient-rich soil for your plants.

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