Frost Date Calculator — Last Frost Date in My Area
Find the last frost date in your area — last spring frost, first fall frost, and hardiness zone for 100+ Canadian cities
Last frost date in my area: Vancouver around March 15, Toronto April 20, Halifax May 10, Ottawa/Montreal May 9, Edmonton May 14, Winnipeg May 19, Calgary May 23, Saskatoon May 25. Pick your city above for exact last spring + first fall frost dates and hardiness zone.
Grande Prairie
Growing season length
Measured at the GRANDE PRAIRIE A station (ECCC Climate ID 3072920, completeness A). No published hardiness zone for this town — check the NRCan plant hardiness map.
Last Spring Frost
May 17, 2026
✓ Safe to plant now!
First Fall Frost
September 12, 2026
36 days away