When to plant lettuce in Montreal
Common questions
When can I sow lettuce outdoors in Montreal?
Direct-sow around early April (Apr 8–Apr 29) in Montreal, based on its local frost dates. Confidence 82%.
When will lettuce be ready to harvest in Montreal?
Expect to harvest from around late May (May 23–Jun 7) in Montreal, based on its local frost dates. Confidence 76%.
When should I start lettuce seeds indoors in Montreal?
Start seeds indoors around late March (Mar 22–Apr 12) in Montreal, based on its local frost dates. Confidence 81%.
When can I transplant lettuce outdoors in Montreal?
Transplant outdoors around early April (Apr 8–Apr 29) in Montreal, based on its local frost dates. Confidence 82%.
Can I plant lettuce in autumn in Montreal?
Yes — Montreal supports a second, autumn sowing of lettuce around late July (Jul 29–Aug 12), timed to mature before the first fall frost.
How long is the growing season in Montreal?
Montreal has roughly 192 frost-free days, which is enough time to grow lettuce to maturity outdoors.
Sow lettuce as soon as the soil is workable — it tolerates cool weather and light frost. Every date on this page is derived from that rule and Montreal's frost dates.