When to plant lettuce in Missoula
Common questions
When can I sow lettuce outdoors in Missoula?
Direct-sow around mid April (Apr 17–May 8) in Missoula, based on its local frost dates. Confidence 83%.
When will lettuce be ready to harvest in Missoula?
Expect to harvest from around early June (Jun 8–Jun 23) in Missoula, based on its local frost dates. Confidence 75%.
When should I start lettuce seeds indoors in Missoula?
Start seeds indoors around mid April (Apr 17–May 8) in Missoula, based on its local frost dates. Confidence 79%.
When can I transplant lettuce outdoors in Missoula?
Transplant outdoors around late April (Apr 24–May 15) in Missoula, based on its local frost dates. Confidence 83%.
Can I plant lettuce in autumn in Missoula?
Yes — Missoula supports a second, autumn sowing of lettuce around late June (Jun 25–Jul 9), timed to mature before the first fall frost.
How long is the growing season in Missoula?
Missoula has roughly 138 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 Missoula's frost dates.