Composting Reference — Canada

Backyard
Composting
Done Right

Practical information on building compost bins, balancing materials, and turning finished compost into richer garden soil. Written for Canadian backyards across all growing zones.

Updated May 14, 2026 · Ottawa, Ontario, Canada

Wooden backyard compost bin filled with organic material
3
In-depth articles
30:1
Optimal C:N ratio
3–6
Months to finished compost
55°C
Ideal pile temperature

Composting
from the Ground Up

Multiple composting containers arranged in a backyard
Bin Construction

Building a Three-Bin Compost System for Backyard Gardens

A three-bin setup allows continuous cycling: one bin for fresh material, one for active decomposition, one holding finished compost. Here's how to build it with basic lumber.

May 12, 2026

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Compost heap with mixed organic materials
Material Balance

Green and Brown Material Ratios for Faster Decomposition

The carbon-to-nitrogen ratio is the single biggest factor in decomposition speed. Too much green and the pile goes slimy. Too much brown and it stalls. This article covers the practical balance.

May 10, 2026

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Raised vegetable garden bed ready for soil amendment
Soil Improvement

Applying Finished Compost to Vegetable and Flower Beds

Once compost is dark, crumbly, and earthy-smelling, it's ready to improve beds. This guide covers application rates, timing, and how to work it in without disturbing roots.

May 8, 2026

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Step-by-Step Construction

Detailed guidance on bin materials, dimensions, and assembly that work in Canadian climates, including freeze-thaw considerations.

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Material Management

Understanding which kitchen scraps, yard waste, and paper products break down effectively and which to keep out of the pile.

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Soil Application

How to read compost maturity, calculate application rates, and integrate finished material into vegetable and perennial beds.

Questions or
Corrections?

If you have a question about a specific composting method, noticed an error in an article, or want to suggest a topic, use the form. We respond within two business days.

Email: info@plainandporch.org Phone: +1 (613) 742-3900 47 Rideau Valley Drive, Ottawa, ON K2G 1B8, Canada

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