Food waste is a massive issue. Millions of tonnes of scraps end up in landfills yearly, producing harmful methane gas. But what if I told you that the leftovers from your kitchen could become the secret weapon for a thriving garden? Composting is an easy, eco-friendly way to repurpose food scraps and turn them into nutrient-rich fertiliser. It saves waste, reduces your carbon footprint, and, best of all—improves your soil without chemicals. Whether you have a small balcony or a large garden, there’s a composting method that will suit your space and lifestyle. Let’s explore the ways you can turn those scraps into garden gold.

Why Food Scraps Should Never Go to Waste
Most people don’t think twice before chucking fruit peels, coffee grounds, or eggshells into the bin. But did you know that food waste makes up nearly 40% of household rubbish? When dumped into landfills, these scraps don’t decompose properly due to a lack of oxygen, releasing methane—a greenhouse gas more potent than CO₂. This contributes significantly to climate change, polluting the air and accelerating global warming.
The Environmental Benefits of Composting
- Cuts down methane emissions – Less food in landfills means less gas polluting the atmosphere.
- Reduces reliance on chemical fertilisers – Compost naturally enriches the soil, reducing the need for synthetic products.
- Improves soil health – It enhances water retention, aeration, and microbial life in the soil, creating a thriving environment for plants.
- Reduces waste collection costs – With less rubbish going to landfill, households and councils can save on waste disposal fees.
- Supports biodiversity – Healthy soil supports earthworms, insects, and microbes, which contribute to ecosystem balance.
Instead of sending your scraps to rot in a landfill, why not put them to work in your garden?
Composting Basics: What You Can and Can’t Compost
Composting might sound complicated, but it’s quite simple. The key is to balance two types of waste:
- Greens (Nitrogen-rich materials) – These provide moisture and nutrients. Examples include fruit peels, vegetable scraps, coffee grounds, and grass clippings.
- Browns (Carbon-rich materials) – These help aerate the compost and prevent odours. Examples include dry leaves, cardboard, shredded newspaper, and wood chips.
Food Scraps You Can Compost
- Fruit and vegetable peels
- Coffee grounds and tea leaves
- Crushed eggshells
- Nutshells (except walnut shells)
- Stale bread and grains (in small amounts)
- Corn husks and cobs
- Pasta and rice (plain, without sauces or oils)
- Spoiled produce (not mouldy or rotten)
What to Avoid in Composting
Some food waste should never go in the compost bin, as it can attract pests or cause unpleasant odours:
- Meat, fish, and dairy products
- Oily or greasy foods
- Citrus peels (they can slow down decomposition)
- Onion and garlic (can harm composting microbes)
- Diseased plants and weeds with seeds
- Cooked foods with sauces, salt, or sugar
- Pet waste
Home Composting Methods for Beginners
Now that you know what can and can’t go into compost, let’s explore how you can get started.
Traditional Compost Bins
A compost bin is an excellent option if you’ve got outdoor space.
- Place the bin in a well-drained, shady spot.
- Layer greens and browns, ensuring a good balance.
- Turn the compost every few weeks to speed up decomposition.
- Keep it moist, but not soaking wet.
You’ll have dark, crumbly compost ready to feed your garden within a few months.
Bokashi Composting for Small Spaces
Bokashi composting is a fantastic alternative if you live in a flat or have limited space. This method ferments food scraps using a special bran that speeds up decomposition. Here’s how it works:
- Store food waste in an airtight Bokashi bin.
- Sprinkle Bokashi bran over the waste after each addition.
- Once full, seal it and let it ferment for two weeks.
- Bury the fermented waste in your garden or add it to a traditional compost bin for further breakdown.
Vermicomposting: Let Worms Do the Work
Ever considered letting worms handle your food scraps? Vermicomposting is a low-maintenance and effective method where worms eat organic waste and produce nutrient-rich castings (worm poop). To set up:
- Get a worm bin and fill it with damp, shredded paper.
- Add food scraps in small amounts.
- Let the worms do their work and harvest the compost every few months.
It’s a great way to compost indoors without odours or mess. Worm castings are incredibly nutrient-rich, making them one of the best natural fertilisers available.
How to Use Compost to Boost Your Garden’s Growth
Once your compost is ready, it’s time to put it to good use. Compost can be used in multiple ways to benefit your plants and soil.
Mixing Compost into Garden Beds
- Mix a layer of compost over garden beds into the soil.
- This improves aeration, adds nutrients, and enhances water retention.
- Applying compost in early spring or autumn is best when plants are actively growing.
- Use it as a top dressing around fruit trees and shrubs.
Making Compost Tea for Plants
Want to supercharge your plants? Compost tea is a natural liquid fertiliser packed with beneficial microbes.
- Fill a bucket with water and a shovelful of compost.
- Let it steep for 24-48 hours, stirring occasionally.
- Strain the liquid and use it to water plants or spray on leaves for a nutrient boost.
- Apply weekly for stronger, healthier plants.
Common Composting Mistakes and How to Fix Them
Even seasoned composters make mistakes. Here are some common issues and their fixes:
- Foul odour? Too many greens. Add more browns and turn the pile regularly.
- Compost too dry? Not enough moisture. Spray with water and mix well.
- Pests in the compost? Avoid adding meat, dairy, and greasy food. Keep a lid on outdoor bins.
- Compost not breaking down? Turn the pile more often and check the green-to-brown balance.
Conclusion
Transforming food scraps into compost is one of the simplest and most effective ways to reduce waste while improving your garden. Whether you use a traditional compost bin, Bokashi system, or vermicomposting, every effort helps divert waste from landfills and enrich your soil naturally. Why throw food scraps away when they can be turned into gold for your plants? Start composting today and enjoy a more sustainable, thriving garden.