Field Notes is where the Cultivation Network keeps an eye on the wider world of Canadian gardening, the questions people are actually asking, the myths that won’t die, the science that quietly proves them wrong. Every post here is free to read, start to finish, no membership required.
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Canadian vs USDA zones
Shrubs at a garden center Canadian and USDA zones: a comparison Stand in front of a perennial rack at almost
Canadian Hardiness Zones
Canadian Hardiness Zones Natural Resources Canada, planthardiness.gc.ca (2025 edition, based on 1991 to 2020 climate data) Canada got a new
Morning glories
Morning glories ‘Heavenly Blue’ morning glories. Morning glories put on one of summer’s more extravagant displays, considering that an individual
Winter annuals
Forget me nots. Winter annuals If you’ve ever wondered how a patch of weeds seemed to appear overnight in early
Beauty queen filipendula
Queen of the prairie. Beauty queen filipendula Filipendula is a genus of hardy perennials known for airy clusters of tiny
Pollinators working the night shift
Emerald geometer moth. Image by Kramthenik27 CCSA 4.0. Pollinators working the night shift You think of bees and butterflies when
Fact Check: Mosquito-repelling plants
Fact check: Do mosquito repelling plants work? A Facebook post from Simple Garden Life (5 pm on June 6, 2026) claims
Tomato myths
Do tomatoes really need aspirin, eggshells and Epsom salts? Tomatoes are the crop that turns sensible gardeners into gamblers. Every
Difficult seeds
Difficult seeds By Shauna Dobbie If you have no problem growing tomatoes and zinnias from seed, but celery and passionflower