Canadian Gardening Guides
Over 80 guides written specifically for Canadian growing conditions — not adapted from American sources.
Canadian gardeners face a challenge most online resources don't address: our growing conditions are genuinely different from everywhere else. The same search that returns useful results for an American gardener will give a Canadian gardener frost dates that are off by weeks, hardiness zones that don't map to our system, and variety recommendations that won't survive a prairie winter. Every guide here is written from the ground up for Canadian cities — planting dates cross-referenced against Environment Canada historical frost records, hardiness zones from Natural Resources Canada, and variety notes drawn from Canadian seed suppliers and provincial extension services.
The city planting guides give you exact frost dates, indoor start windows, and month-by-month task lists for specific Canadian cities — not generic "zone 5" advice. The crop guides (when to plant, how to grow) drill down into the specific timing decisions that differ between, say, Ontario Zone 6b and BC Zone 8a. Soil care, composting, and pest control guides address the freeze-thaw cycles and clay-heavy soils common across much of Canada, not the sandy or loamy conditions most American guides assume.
If you're just starting out, the Getting Started category is the right place. If you know what you want to grow and need to know when, head to When to Plant. For your city's full planting calendar including frost dates and zone information, use the City Guides.
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When to Plant in Canada — Crop Calendars
What is GrowersGuide.ca?
GrowersGuide.ca is a free Canadian gardening resource — no accounts, no paywalls. The frost dates, planting calendars, and growing guides are built on Environment Canada historical weather data and Natural Resources Canada zone maps, updated each season. We cover BC, Ontario, Quebec, Alberta, Saskatchewan, Manitoba, and Atlantic Canada.
The site also offers free calculators for frost dates, seed starting schedules, plant spacing, raised bed soil volumes, and more. All tools and guides are designed for Canadian conditions — not adapted from American resources. Learn more about the project →