Tomato plant

When to plant tomatoes in zone 5b

In zone 5b, the last spring frost usually comes around Apr 28 and the first fall frost around Oct 10. Here is when to plant tomatoes.

Start seeds indoorsMar 10
Plant in the bedMay 12
Start pickingJul 21

Your tomato calendar for zone 5b

Give each plant a sturdy cage or stake. Water deeply twice a week rather than a little every day.

Spacing in a raised bed: 1 plant per 2 × 2 ft.

These dates are estimates from the average frost dates for zone 5b. 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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Tomatoes in other zones

See everything to plant in zone 5b →