Composting 101: What Can Be Composted?
Composting is a natural process that breaks down organic materials into a nutrient-rich soil amendment. While many people are familiar with composting household food scraps and yard trimmings, there are many other items that can be composted to create a healthy and fertile soil for your garden. In this article, we'll explore the wide range of materials that can be composted, from everyday household items to unexpected additions.
The Basics: What Can Be Composted?
The key to successful composting is understanding what materials can be broken down and what can't. Generally, compostable materials are organic and high in carbon, nitrogen, or both. Here are some examples of common compostable materials:
- Food scraps: Fruit and vegetable peels, cores, and rinds
- Yard trimmings: Leaves, grass clippings, and branches (chopped into small pieces)
- Manure: From herbivores like horses, cows, and chickens
- Coffee grounds and tea bags
- Eggshells
- Newspaper and cardboard
- Cotton balls and fabric scraps
- Straw and hay
The Gray Area: Materials That May Need Processing
Some materials may require additional processing before they can be added to your compost pile. These include:
- Meat, bones, and dairy products: These can attract pests and create unpleasant odors, so it's best to compost them separately or with a high-heat composting system
- Weeds with seeds: While weeds can be composted, they can also spread seeds and create more weeds in your garden
- Wood ash: High in sodium, wood ash can be toxic to plants in large quantities, so use it sparingly and balance it with other materials
The Don'ts: What Can't Be Composted
While composting is a great way to reduce waste, there are some materials that should never be added to your compost pile. These include:
- Dog and cat waste: These can contain pathogens and parasites that can harm humans and other animals
- Weeds with seeds (again!)
- Plastic, metal, and glass: These can't be broken down and can contaminate your compost
- Cookies, crackers, and other baked goods: These contain oils that can slow down the composting process and create unpleasant odors
- Chemicals and pesticides: These can harm microorganisms and plants
Composting in Small Spaces
Don't think you need a big yard or a large compost pile to start composting? Think again! There are many ways to compost in small spaces, including:
- Balcony composters: These compact bins can fit on a balcony or patio
- Vermicomposting: Worm composting is a great way to compost in small spaces, and can even be done indoors
- Worm bins: Similar to vermicomposting, worm bins are a great way to compost small amounts of material
Conclusion: Get Composting!
Composting is a simple and effective way to reduce waste, create a healthy soil amendment, and support sustainable gardening practices. By understanding what can be composted, and what can't, you can create a thriving compost pile that will benefit your garden for years to come.
Additional Resources
For more information on composting, check out these additional resources:
- The United States Environmental Protection Agency's Composting Fact Sheet
- The Compost Association's Composting Guide
- Your local nursery or gardening store's composting resources
