Canada Hardiness Zone 4a
Planting Calendar & Monthly Lists
Scroll to Map & Zone Description
See the Sowing Calendar
Download the Sowing Calendar
Planting List
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
NOTE: No Planting in Winter Months.
Canada Zone 4a - Temperate Mild Summer
Extreme Minimum Temperate −34.4 to −31.7°C (−30 to −25°F)
This region has a humid continental climate (Köppen climate classification Dwb), with snowy, cold winters, but with warm summers.
Larger towns in this region include:
- Altona
- Assiniboia
- Baie-Comeau
- Bishop's Falls
- Brooks
- Cabano
- Calgary
- Campbellton
- Capreol
- Carman
- Claresholm
- Clermont
- Dalhousie
- Drayton Valley
- Estevan
- Filion
- Forestville
- Fort Macleod
- Gaspé
- Grand Falls / Grand-Sault
- High River
- Kenora
- La Malbaie
- Lac-Etchemin
- Mackenzie
- Maniwaki
- Mont-Laurier
- Moose Jaw
- Morden
- Okotoks
- Ponoka
- Port-Cartier
- Portage la Prairie
- Red Deer
- Saint-Alexis-des-Monts
- Saint-Georges
- Saint-Honoré
- Saint-Jovite
- Saint-Prosper
- Saint-Raymond
- Saint-Tite
- Sainte-Agathe-des-Monts
- Sainte-Anne-des-Monts
- Shaunavon
- Sparwood
- Spruce Grove
- Stony Plain
- Swift Current
- Taber
- Val-David
- Weyburn
- Winkler
- Winnipeg
Disclaimer: The PlantWhatWhen vegetable planting guide is only designed for use as a very general reference for home gardening purposes. It is not to be used for farming, markets or commercial activities of any kind whatsoever. We take absolutely no responsibility for the accuracy and adequacy of the information provided on this site.
We recommend that you consider your local climate, weather patterns and conditions when deciding what and when to plant in your home garden. It's entirely your own decision. Happy Gardening and Best Wishes!