When to plant melon (cantaloupe/watermelon) in Calgary
Melon (cantaloupe/watermelon) is frost-tender, so every date keys off Calgary's last spring frost of May 22.
We don't yet have a calendar for Melon (cantaloupe/watermelon) at this location.
Common questions
How long is the growing season in Calgary?
Calgary has roughly 120 frost-free days, which is enough time to grow melon (cantaloupe/watermelon) to maturity outdoors.
The rule of thumb
Sow melon (cantaloupe/watermelon) 6–8 weeks before your last spring frost; plant out 2–3 weeks after it. Every date on this page is derived from that rule and Calgary's frost dates.
Confidence 82/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.