Flea beetles in Quebec: When It Shows Up and What Stops It
Flea beetles show up in Quebec gardens as soon as the soil hits about 50°F, which usually means late April in Montérégie and the Montreal area, and…
Home & garden, state by state
Everything we have worked out for Quebec: 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 Montreal, the last spring freeze falls around May 6 and the first fall freeze falls around October 5, 2,268 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 Quebec: 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.
Flea beetles show up in Quebec gardens as soon as the soil hits about 50°F, which usually means late April in Montérégie and the Montreal area, and…
Colorado potato beetles start crawling out of Quebec soil the moment ground temperatures climb past roughly 50°F, which usually lands somewhere between…
Onion maggot activity in Quebec follows a predictable calendar tied to soil temperature, not the regular date on a wall calendar.
Winter moth adults start showing up in Quebec landscapes in late November, right after the first hard frosts, and they stick around into December on mild…
Adult Japanese beetles start showing up in Quebec gardens in late June, hit their peak activity through July, and taper off by mid-August.
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Striped cucumber beetle activity in Quebec typically begins in late May to mid-June, right when cucumber, squash, and melon seedlings emerge from the…
The brown marmorated stink bug reached Quebec around 2015, with confirmed populations settling into the Montreal area and spreading through the…
Viburnum leaf beetle shows up on a predictable calendar in Quebec: eggs overwinter in twig cavities, larvae hatch in May, adults emerge by mid-July, and…
Swede midge shows up in Quebec brassica fields from late May through early October, with the heaviest pressure hitting canola, broccoli, and cabbage…