When to plant lettuce in Toronto
Common questions
When can I sow lettuce outdoors in Toronto?
Direct-sow around early April (Apr 7–Apr 28) in Toronto, based on its local frost dates. Confidence 81%.
When will lettuce be ready to harvest in Toronto?
Expect to harvest from around late May (May 27–Jun 11) in Toronto, based on its local frost dates. Confidence 75%.
When should I start lettuce seeds indoors in Toronto?
Start seeds indoors around early April (Apr 5–Apr 26) in Toronto, based on its local frost dates. Confidence 79%.
When can I transplant lettuce outdoors in Toronto?
Transplant outdoors around mid April (Apr 12–May 3) in Toronto, based on its local frost dates. Confidence 83%.
Can I plant lettuce in autumn in Toronto?
Yes — Toronto supports a second, autumn sowing of lettuce around mid July (Jul 13–Jul 27), timed to mature before the first fall frost.
How long is the growing season in Toronto?
Toronto has roughly 160 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 Toronto's frost dates.