When to plant lettuce in zone 4a
In zone 4a, the last spring frost usually comes around May 12 and the first fall frost around Sep 21. Here is when to plant lettuce.
Sow in the bedApr 14
Start pickingJun 3
Plant again for fallJul 19
Your lettuce calendar for zone 4a
- Apr 14: Sow lettuce seeds in the bed
- Jun 3: Start picking lettuce
- Jul 19: Sow lettuce seeds again for a fall crop
Pick the outer leaves and the plant keeps growing. Bolts (turns bitter) in hot weather.
Spacing in a raised bed: 4 plants per square foot.
These dates are estimates from the average frost dates for zone 4a. Your local frost dates may be a week or two different. If a late cold snap is forecast, wait a few days.
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