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Gardening7 min read·April 28, 2025

Composting for Gardeners: How to Turn Waste into Gold

Home compost is free, reduces waste, and dramatically improves your soil. Here's how to set up a compost system that actually works.

Composting for Gardeners: How to Turn Waste into Gold

Composting converts kitchen and garden waste into a rich soil conditioner. It's free, reduces landfill waste, and produces something that genuinely improves plant health — far better than anything you can buy.

The Green/Brown Balance

Good compost needs both:

Greens (nitrogen-rich):

  • Vegetable peelings, fruit scraps
  • Grass clippings
  • Tea bags, coffee grounds
  • Weeds (not seeded)
  • Browns (carbon-rich):

  • Cardboard and paper
  • Dry leaves
  • Straw
  • Egg boxes
  • Aim for roughly 2 parts brown to 1 part green by volume. Too much green and the pile becomes slimy and smelly. Too much brown and it won't break down.

    What NOT to Compost

  • Cooked food (attracts rodents)
  • Meat, fish, dairy
  • Dog or cat waste
  • Diseased plant material
  • Roots of perennial weeds (bindweed, couch grass)
  • Getting Your Heap Working

    Moisture: the pile should feel like a wrung-out sponge. Water if dry; add browns if wet.

    Air: turn the pile every 4–6 weeks to introduce oxygen. A turning fork works well.

    Size: minimum 1 cubic metre to generate enough heat.

    Using Your Compost

    Compost is ready when it's dark, crumbly, and smells earthy — not like rotting food. Use as a mulch, mix into planting holes, or dig into beds.

    #composting#soil health#sustainability