Can You Compost Mango Pits? Yes, And We Know How

  • By: Sam Richards
  • Date: July 17, 2023
  • Time to read: 8 min.

Imagine sinking your teeth into a juicy, ripe mango. You’re immediately hit with the sweet, tangy sensation, a taste that defines the summer season for many of us. But once the final strip of fruity flesh is consumed, you’re left with a sizeable pit. Too hard and fibrous to eat, it might seem like there’s only one place for it – the trash. But what if there’s a better, more environmentally-friendly alternative?

Composting is a natural process that transforms organic material, such as kitchen waste, into a nutrient-rich soil conditioner. It’s an excellent way to recycle our everyday waste while contributing to the fertility of our garden soil. However, when it comes to what can and can’t be composted, many questions often arise, one of which is centered on the potential of composting mango pits.

While these robust seeds may seem an unlikely candidate for your compost heap due to their hard nature, you may be surprised. This article embarks on an exploration of mango pits and their potential for composting, seeking to shed light on whether these leftover seeds from your summer snacking can play a pivotal role in nourishing your garden.

Mango Pits: An Overview

Renowned for their succulent flesh, mangoes are a much-loved fruit across the globe. Often consumed raw, in salads, smoothies, or desserts, the flavor profile of this tropical fruit is nothing short of invigorating. Yet, at the heart of every mango lies a large, hard structure that’s frequently discarded – the mango pit.

A mango pit is the central seed of the mango fruit. Enclosed within a woody, fibrous husk, it is the source from which new mango trees can potentially sprout. It’s relatively large compared to other fruit seeds, and its outer husk is tough and fibrous, making it seem unsuitable for consumption or any form of processing.

Despite this, the mango pit is not devoid of nutritional value. Inside the sturdy husk resides the actual seed, rich in oils and various nutrients. But its hard exterior often makes accessibility a challenge, leading most to disregard the pit, and raising questions about how it can be utilized effectively post-consumption. Can these discarded seeds serve a purpose beyond growing new trees? Specifically, can they contribute to the nutrient-dense world of composting? In the following sections, we will delve into these questions, analyzing the composting potential of mango pits.

Can You Compost Mango Pits?

Composting is often associated with the breaking down of soft, quickly decomposing materials such as vegetable peels, coffee grounds, and grass cuttings. In this context, the idea of composting something as hardy and seemingly indomitable as a mango pit might appear counterintuitive. However, the reality is more promising than you might think.

Indeed, you can compost mango pits. Their robust structure doesn’t exempt them from the transformative powers of composting, although it does mean they require more time to break down compared to softer organic materials. In essence, composting is a slow, natural process of decomposition facilitated by microorganisms, and given enough time, these tiny organisms can break down even tough organic matter like mango pits.

A crucial point to remember is that mango pits, due to their high cellulose content, fall under the category of ‘brown’ composting materials. These are carbon-rich items that provide the necessary energy for composting microbes. They counterbalance ‘green’ nitrogen-rich materials, like vegetable scraps or fresh grass clippings, helping to maintain a healthy, balanced compost pile.

While composting mango pits may not provide immediate results, their gradual decomposition can sustain the composting process, ensuring a continuous supply of nutrients to your compost pile over an extended period. So, despite the additional time required, composting mango pits is not only feasible but also advantageous.

Benefits of Composting Mango Pits

Composting mango pits has multiple advantages, contributing significantly to environmental conservation efforts, enhancing garden health, and extending the utility of a seemingly non-useful part of the fruit.

Firstly, composting mango pits plays a crucial role in waste reduction. By composting, you can divert these organic materials from ending up in landfills, where they would otherwise contribute to methane emissions – a potent greenhouse gas. As such, composting mango pits aligns well with a sustainable, eco-conscious lifestyle.

Secondly, composting mango pits provide a valuable source of nutrients for your compost pile. As they decompose, mango pits release nutrients that contribute to the overall richness of the compost. The resulting compost, enriched with these nutrients, can significantly improve the health and fertility of your garden soil.

Here’s how composted mango pits can enhance soil health:

  1. Improved Soil Structure: Compost improves the physical properties of soil. It enhances the soil’s ability to hold and drain water appropriately, creating an optimal environment for plant roots.
  2. Nutrient Supply: Compost acts as a slow-release fertilizer. As the mango pits break down, they release nutrients over time, providing a steady supply of essential nutrients for plants.
  3. Increased Microbial Activity: Compost introduces beneficial microorganisms to the soil. These organisms continue to break down organic matter in the soil, helping to make more nutrients available to plants.
  4. Disease Suppression: Certain beneficial microorganisms in compost can help suppress plant diseases, making your garden healthier and more resilient.

Lastly, the long decomposition period of mango pits can serve as a benefit, rather than a drawback. Their slow breakdown keeps your compost pile active for a more extended period, continuously feeding the beneficial microbes that drive the composting process. This ensures a more sustained nutrient release into the compost, making it even more beneficial to your garden over time.

How to Compost Mango Pits Effectively

Composting mango pits is a worthwhile endeavor, but due to their hardy nature, it’s a process that calls for a bit more attention and patience than composting softer materials. Let’s walk through the steps to compost mango pits effectively, ensuring that your compost pile remains healthy and productive throughout.

1. Preparation: Begin by thoroughly cleaning the mango pit. Rinse it under water to remove any clinging fruit flesh, which could potentially attract pests. The goal is to have a clean pit that will not encourage undesirable organisms in your compost pile.

2. Breaking Down: The tough, fibrous husk of a mango pit is resistant to quick decomposition. To expedite the composting process, try breaking the pit into smaller pieces. This can be done using a hammer or similar tool. Remember to take safety precautions while doing this. Breaking the pit increases its surface area, making it easier for the composting microbes to do their job.

3. Composting: Once you have your mango pit pieces, it’s time to add them to your compost pile or bin. When adding these pieces, remember that they are considered ‘brown’ compost material and should be balanced with ‘green’ materials. The ideal ratio is generally 3:1 of browns to greens. This balance helps maintain a healthy composting process by ensuring the microbes have both carbon (from the browns) and nitrogen (from the greens) to thrive.

4. Turning: Regularly turning or stirring your compost pile is essential, especially when composting tougher materials like mango pits. Turning helps maintain aeration and distribute moisture throughout the pile, both of which are crucial for effective composting. Turning also brings materials from the exterior of the pile into the center, where the heat and microbial activity are greatest, further facilitating the breakdown of the mango pits.

Composting is a process that involves time and a bit of dedication, but the rewards are worth it. While your mango pits may not decompose as quickly as, say, a banana peel, with patience and the right process, they will eventually break down and contribute valuable nutrients to your compost pile.

Other Uses for Mango Pits

While composting is an excellent way to utilize mango pits, it’s not their only potential afterlife. Mango pits can embark on several interesting journeys post-consumption, contributing to a variety of beneficial and creative uses.

1. Planting New Trees: One of the most obvious uses for a mango pit is to plant it. Given the right conditions – warmth, moisture, and patience – a mango pit can sprout into a new tree. Growing your own mango tree can be a fulfilling endeavor, even if it takes years to bear fruit.

2. Mango Seed Butter: Did you know the actual seed inside the mango pit can be processed into rich, creamy butter? Mango seed butter is highly prized in cosmetics for its skin-softening properties. It’s packed with nutrients and beneficial fatty acids, making it a superb moisturizer for both skin and hair. To make mango butter, the inner seed needs to be extracted, dried, and then ground into a powder, which is then pressed into butter.

3. Crafting and Art Projects: For the creatively inclined, mango pits can become an unexpected crafting material. After thorough cleaning and drying, they can be painted, varnished, or drilled into to create unique, eco-friendly jewelry, like necklaces or bracelets. They can also be used in a variety of DIY art projects, adding a touch of nature to your creations.

4. Educational Tool: Mango pits can serve as an excellent tool for educating children about the lifecycle of plants. Children can plant the pit and watch as it germinates and grows into a plant, providing a hands-on lesson in biology and nature.

While the humble mango pit may seem unassuming at first glance, its potential is vast. Whether composted, transformed into nourishing mango butter, crafted into jewelry, or used to grow a new tree, these often-discarded seeds offer us an array of possibilities that underscore the beauty of nature’s circular economy.


The journey of exploring the potential of composting mango pits has led us down an enlightening path. These robust, seemingly inedible seeds can, in fact, play a significant role in nourishing our gardens, reducing waste, and even fostering a greater appreciation for the cycle of life. Composting mango pits might take longer than softer organic materials, but the environmental benefits and the enrichment of our garden soils make this extra effort worthwhile.

Moreover, it’s worth noting that even methods other than traditional composting can be employed to deal with materials like mango pits. One such method is Bokashi composting. This Japanese method involves fermenting organic waste, including hard-to-compost items like mango pits, in a sealed bucket using a special bran filled with beneficial microorganisms. This process results in a nutrient-rich composting material that can be further composted in a traditional pile or buried directly in the garden.

By integrating techniques like Bokashi composting into our waste management routines, we can further expand the range of materials we compost and increase our contribution to a more sustainable and eco-friendly lifestyle.

In essence, the humble mango pit is a testament to nature’s endless potential for renewal and recycling. So, the next time you savor a delicious mango, spare a thought for the seed at its heart. Whether you decide to compost it, plant it, or craft it into something beautiful, remember that there’s always a place for it in the circle of life. As we become more conscious and appreciative of these cycles, we also deepen our connection with the environment, fostering a healthier, more sustainable world.

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