Does a Wall in Manitoba Need a Vapour Barrier?
Yes. Under the National Building Code of Canada, a vapour barrier is required in insulated wall assemblies throughout Manitoba, and the requirement…
Home & garden, state by state
Everything we have worked out for Manitoba: what to plant and when, which varieties finish in time, the pests that actually turn up here, and the jobs that pay off month by month. We also cover the rest of the property, from lawns and soil to home care and energy, because a garden rarely stops at the vegetable bed.
The numbers first, because everything else follows from them. Measured at the weather station in Winnipeg, the last spring freeze falls around May 23 and the first fall freeze falls around September 22, 1,832 growing degree days in the year.
That is enough for early varieties, tight for anything late. Garlic does well: 30.4 weeks below 40 °F, comfortably past the six it needs to form a proper head.
Elsewhere on the property in Manitoba: the pests that turn up here.
Figures from Environment and Climate Change Canada. A state is not one climate: elevation, a large lake or the coast can move these dates by two weeks either way, so check your own county with the extension service before you spend money.
Yes. Under the National Building Code of Canada, a vapour barrier is required in insulated wall assemblies throughout Manitoba, and the requirement…
A pellet stove in Manitoba answers to Winnipeg Richardson Int’l A’s climate normals: about 5,648 heating degree days below 18°C every year, over a…
The reference weather station for the province, Winnipeg Richardson International Airport, sits squarely in Natural Resources Canada’s climate zone 7a.
In Manitoba, July is the closest thing to a real pause. Winnipeg’s combined heating and cooling degree-day total for that month runs about 91, on the…
In Manitoba, sow pumpkin seed directly in the garden in late May to early June, once the soil itself has warmed to 65°F, typically a week or two after…
Sow parsnips in Manitoba between the first week of May and mid-May, aiming for 2-3 weeks before the average last spring frost of May 23.
Sweet corn can ripen in Manitoba, but only inside a narrower window than the frost dates alone suggest.
In Manitoba, sweet corn seed goes into the ground once soil temperature holds above 60 F, which typically lands in the first half of June, roughly two to…
The short version: in Manitoba, autumn spinach goes into the ground somewhere between early July and early August, counted backward 50 to 75 days from…
In Manitoba, spinach will bolt early because the growing season runs on long summer daylight rather than on heat.