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When to plant Lettuce
Default: central Europe (50°N)· 50.0°N
Last spring frost: 5 May
First autumn frost: 5 Oct
Calendar windows
Sow outdoors7 Apr – 30 Jun
Harvest4 Jun – 4 Jul
Practical notes
Cool-season crop. Succession-sow every 2–3 weeks. Bolt in summer heat — switch to autumn sowings.