How do I start composting yard waste in New Brunswick?

Starting a yard waste composting system in New Brunswick is straightforward and produces valuable soil amendment for NB's acidic, often nutrient-poor soils — turning fallen leaves, grass clippings, garden trimmings, and kitchen scraps into rich compost that improves soil structure, adds nutrients, and reduces the volume of waste heading to municipal landfills. NB's Maritime climate actually helps composting by providing consistent moisture.

Choose your composting method based on your space and volume. A simple three-bin system made from wooden pallets or wire mesh is the most efficient for NB yards that generate significant leaf and garden waste. Each bin is approximately 3x3x3 feet: one for fresh material, one for actively composting material, and one for finished compost. This system processes yard waste fastest because you can turn material between bins. For smaller yards, a single enclosed tumbler composter ($100–$300) works well — it keeps wildlife out (important in NB where bears, raccoons, and skunks are common) and can be rotated easily for aeration.

The formula for successful composting in NB is simple: balance browns and greens. "Browns" are carbon-rich dry materials — fallen leaves (NB produces mountains of maple, birch, and oak leaves every fall), dried garden stalks, straw, and shredded cardboard. "Greens" are nitrogen-rich wet materials — grass clippings, fresh garden trimmings, vegetable scraps, and coffee grounds. Mix roughly 3 parts brown to 1 part green by volume. NB's abundant fall leaves are composting gold — shred them with a mower and stockpile for year-round use as brown material.

NB's climate affects composting timing. Active composting slows dramatically from November through March as temperatures drop below 0C. A well-insulated pile will continue decomposing slowly through winter, but don't expect the rapid breakdown you see in summer. Start your pile in spring (May) to get one full cycle of hot composting before winter. Material added in fall will break down over winter and be ready by the following June. In summer, NB's warm temperatures (20–28C) and consistent humidity create ideal composting conditions — a properly managed pile can produce finished compost in 8 to 12 weeks during June through September.

Maintain moisture and aeration. The pile should feel like a wrung-out sponge — moist but not soaking. NB's rainfall usually keeps outdoor piles adequately moist from May through October, though you may need to water during occasional dry July–August stretches. Turn the pile every 2–3 weeks with a garden fork to introduce oxygen, which accelerates decomposition and prevents the anaerobic conditions that cause odour.

What NOT to compost. Avoid meat, dairy, oils, and cooked food — these attract NB's wildlife. Don't compost diseased plant material (common with NB's fungal issues from Maritime humidity) or invasive weeds that have gone to seed. Pet waste should never enter a garden compost pile. A composting setup costs $50 to $300 depending on the system, and produces compost worth $30–50 per cubic yard — a valuable amendment for NB's characteristically acidic, clay-heavy, or sandy soils.

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