Growing zones · Pincher Creek
Pincher Creek growing zone: zone 4b
Pincher Creek, Alberta is in plant hardiness zone 4b on the current Natural Resources Canada map (4th edition, based on 1991–2020 climate normals). The average last spring frost is around June 6 and the first fall frost around September 5, giving about 90 frost-free days at Beaver Mines, 17 km away.
Planting, hardiness and grow zone in Pincher Creek
"Growing zone", "planting zone" and "hardiness zone" all refer to the same thing in Canada: the plant hardiness zone, which predicts which perennials, trees and shrubs survive the winter. It does not tell you when to plant vegetables; frost dates do that.
Zone 4 is the mildest band in Alberta, mostly in the south and in sheltered urban areas. Chinook thaws are the main winter risk.
- Wider choice of apples, plums, pears and grapes rated to zone 4
- Haskap, saskatoon, cherries and berries
- Many perennials rated zone 4, ideally in sheltered spots
- Shelterbelts against wind are still essential, especially in the chinook belt
- Longer warm season for squash, corn and beans in the irrigated south
Buy perennials rated for zone 4b or colder. Cold-air pockets, low ground and exposed sites in and around Pincher Creek can run a full zone colder than the map.
Frost dates near Pincher Creek
Average dates from Environment and Climate Change Canada's 1991–2020 climate normals at the stations nearest Pincher Creek. Stations in towns usually show a longer season than open farmland nearby, which is why the numbers differ: nearby stations range from 90 to 99 frost-free days.
| Station | Distance | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|---|
| Beaver Mines | 17 km | June 6 | September 5 | 90 |
| Connelly Creek | 24 km | June 2 | September 10 | 99 |
Growing degree-days above 5 °C average about 1,380 a year at Beaver Mines (17 km), and total precipitation about 680 mm at Beaver Mines (17 km).
When to plant in Pincher Creek
- Cool-season crops (peas, spinach, lettuce, radish, potatoes) can go in a few weeks before the last frost, once the soil can be worked.
- Frost-tender crops (tomatoes, peppers, squash, beans, cucumbers) go out after the last frost, around June 6 on average, and many local gardeners wait an extra week.
- Trees, shrubs and perennials rated zone 4b or colder can be planted in spring or early fall.
Common questions
What growing zone is Pincher Creek, Alberta?
Pincher Creek is in Canadian plant hardiness zone 4b on Natural Resources Canada's current map (4th edition, 1991–2020 climate normals). Average frost dates there are about June 6 (last spring frost) and September 5 (first fall frost).
When is the last frost in Pincher Creek?
On average around June 6, based on Environment Canada's 1991–2020 normals at Beaver Mines. Frost can come later in low spots and in cold years, so many gardeners wait about a week past the average before planting tender crops.
Is Pincher Creek zone 4b on the USDA map?
Not necessarily. The USDA map uses only the average coldest winter temperature, while the Canadian map also weighs frost-free days, rain, snow cover and wind, so the two numbers often differ by about half a zone. Check which system a plant label uses.
Nearby places: Cardston (4b) · Claresholm (4a) · Lethbridge (4b) · High River (4a) · Taber (4a) · Okotoks (4a)
Land around Pincher Creek: MD of Pincher Creek farm guide · MD of Pincher Creek hardiness zone · all Alberta growing zones · Canadian vs USDA zones explained
Sources: Natural Resources Canada, Plant Hardiness Zones of Canada (4th edition, 1991–2020); Environment and Climate Change Canada, Canadian Climate Normals 1991–2020. Page reviewed 2026-10-08.