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Gardening & Outdoors

How to Start Composting at Home

Turn kitchen and garden scraps into rich soil without smells or pests

What's inside the full guide

  1. How Composting Works
  2. Choose a Composting System
  3. Set Up Your Compost Bin
  4. What to Compost and What to Leave Out
  5. Looking After the Pile and Fixing Problems
  6. Composting Without a Garden
  7. Harvesting and Using Your Compost
  8. Compost Log and Quick Reference (printable worksheet)

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This guide is for anyone who wants to compost but worries about smells, rats, flies or doing it wrong. You will learn how composting works, which system suits your space, what to add and what to keep out, and how to fix the common problems. Within a few months you can be turning everyday scraps into dark, crumbly compost for your garden or pots.

How Composting Works

Compost is organic material that has been broken down by bacteria, fungi, worms and other small creatures into a dark, crumbly, earthy-smelling material. Those organisms need four things to work well: food, air, water and the right balance of materials. Get those roughly right and the pile does the work for you.

Gardeners sort compost ingredients into two groups. Greens are fresh, moist, nitrogen-rich materials such as vegetable peelings, fruit scraps, coffee grounds and fresh grass clippings. Browns are dry, carbon-rich materials such as dead leaves, straw, shredded cardboard, paper and small twigs. Greens feed the microbes quickly; browns provide structure, air pockets and long-lasting energy.

A simple, workable rule is to add roughly two to three buckets of browns for every bucket of greens by volume. You do not need to measure precisely. If the pile is wet and smelly, add browns. If it is dry and nothing is happening, add greens and water.

Keep a brown stash: Most households produce plenty of greens but run short of browns. Bag up dry autumn leaves or keep a box of torn cardboard next to the bin so you can add a handful every time you tip in kitchen scraps.

Choose a Composting System

There is no single best method. Pick the one that matches your space, how much waste you produce and how hands-on you want to be.

SystemBest forProsCons
Open heapLarge gardens with lots of leaves and clippingsFree, holds a lot, easy to turnUntidy, more accessible to animals
Closed binMost home gardensNeat, retains heat and moisture, deters pestsHarder to turn, limited size
TumblerSmall gardens, people who want faster resultsEasy to turn, sealed from pestsSmaller batches, can get too wet, costs more
Worm binFlats, balconies, kitchen scraps onlyWorks indoors or out, rich outputWorms need care, cannot take large volumes
BokashiKitchens with cooked food wasteTakes some foods other systems cannotNeeds bran, output must be buried or added to a bin

Many local councils and municipalities offer discounted compost bins, free workshops or kerbside food-waste collection, and some have rules about what can be composted at home. Check your local authority website before buying.

Get the rest: the full step-by-step guide plus a printable worksheet for $4.

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