
Newspaper can be composted, but it's not as simple as tossing it into your compost pile. According to research, newspaper can make up to 20% of your compost without affecting the quality.
Adding newspaper to your compost helps retain moisture, suppress weeds, and reduce odors. This is due to its high carbon content, which balances out the nitrogen-rich materials in your compost.
Newspaper also helps to aerate your compost, allowing for better air circulation and microbial activity. This can lead to a more efficient composting process and a higher quality end product.
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Composting Newspaper
Newspaper can be composted, but it does take some time to break down. This is because it has large amounts of lignin, a substance found in plant cell walls that strengthens their rigidity.
To compost newspaper effectively, it's essential to add it to your compost pile in moderation, as it can take a while to decompose. You can mix it with other brown materials like leaves or straw to speed up the process.
Newsprint manufacturers have made significant changes in their production processes, switching from chlorine-based bleaching agents to safer alternatives like hydrogen peroxide. This reduces the risk of chlorine contamination in your compost.
However, if you're looking for a completely organic compost, it's worth considering excluding newspaper waste altogether. This is because newsprints now use soy- or water-based inks, which may not meet your standards for a 100% organic product.
As a general rule, it's a good idea to balance out your compost pile with a mix of "green" materials like food scraps and grass clippings, and "brown" materials like newspaper and leaves. This will help create a nutrient-rich compost for your garden.
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Potential Issues
Newspapers generally don't create significant composting issues in a well-managed pile.
However, mishandling and mismanagement can give rise to nuisances like pests and foul odors. This is more likely to happen if anaerobic conditions occur, which can produce foul smells that attract pests.
Proper preparation and management of your compost pile can help prevent these issues.
Potential Issues

Newspaper can create some potential issues in composting, but they're relatively easy to avoid. Newspapers can give rise to nuisances like pests and foul odors if mishandled or mismanaged.
Uncut newspaper can obstruct oxygen flow and lead to anaerobic conditions, producing foul smells that attract pests. It's essential to add cut newspaper to your compost pile to ensure good airflow.
Anaerobic decomposition can also occur if moisture levels are not properly regulated, leading to odors that attract critters. To prevent this, aim for the best composting conditions and properly prepare your paper waste.
Newsprint with glossy pages should not be composted, as they contain petrochemicals and heavy metals that can harm beneficial microorganisms. Instead, dispose of these laminated newspapers elsewhere.
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Hot
Hot composting can effectively transform shredded newspapers into a healthy compost. This method of composting largely depends on the heat created by microorganisms to decompose organic matter.
Achieving and maintaining the ideal temperature range of 90 to 140 degrees Fahrenheit requires consistent pile turning and temperature checks. It's crucial to monitor the temperature to ensure the composting process is happening correctly.

Newspapers are great at absorbing water and retaining heat. This helps create a favorable environment for microorganisms to grow.
The carbon from newspaper material enhances the growth of composting microorganisms, which in turn supports the heat generation in the pile. This creates a self-sustaining cycle that helps break down the organic matter.
Newspapers can decompose in a well-maintained compost pile within 4 to 6 weeks. This timeframe can vary depending on factors like oxygen and moisture levels.
The rate of decomposition significantly depends on the availability of oxygen, moisture, and optimal temperature. By maintaining a balanced compost pile, you can speed up the decomposition process.
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Methods and Techniques
You can compost newspaper, and it's a great way to recycle old papers. Just make sure to place your compost pile or bin in a sunny location close to a water source.
Newspaper scraps are suitable for common composting methods due to their carbon content. This combination of heat, light, and water is key to breaking down newspapers effectively.
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Remove any nonbiodegradable components from your compostable newspaper, such as plastic tags or stickers. These can hinder proper decomposition of your organic materials.
Avoid using glossy or laminated newsprints for best results, as they contain petrochemicals that can harm your compost and garden soil. Instead, opt for regular newsprint.
Cutting your newspaper into smaller pieces will enhance the efficiency of your compost pile. This is because uncut newspaper can obstruct the flow of oxygen, leading to slow anaerobic decomposition and unpleasant odors.
You can use shredded newspaper as worm bedding in a vermicomposting bin. Just make sure to combine it with other bedding materials like coconut coir or untreated wood chips.
Composting worms can nibble on shredded newspaper and transform it into nutrient-rich worm castings. This is a great way to add organic matter to your worm bin substrate.
Compost Quality and Safety
Newspaper scraps can be a great addition to your compost pile, but it's essential to prepare them properly.
To avoid issues with composting newspapers, aim for the ideal composting conditions. This means supplying your compost heap with adequate oxygen and moisture.
Fresh compost should not be used for starting sensitive seedlings like tomatoes and peppers, as they may succumb to damping-off disease.
Grocery flyers, like those from Stop & Shop and Market Basket, are acceptable for composting as long as they are not glossy.
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Starting a Compost
Starting a compost is a great way to give old newspaper a new life. You can shred the paper and add it to your compost bin or pile.
Shredded newspaper breaks down much faster than whole newspaper sheets. To get the best results, mix it with plenty of "green" or nitrogen-rich items, like kitchen scraps. Aim for about 1 part green materials for every 3 parts newspaper.
Newspaper can also be used to keep potatoes from turning green in a root cellar that gets a lot of light. Simply spread a layer of newspaper over the potatoes.
Frequently Asked Questions
Can you compost newspaper with colored ink?
Yes, you can compost newspaper with colored ink, as it's considered safe for composting. However, it's always a good idea to check the specific ink type and follow proper composting guidelines.
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