
When to plant tomatoes in zone 3b
In zone 3b, the last spring frost usually comes around May 15 and the first fall frost around Sep 15. Here is when to plant tomatoes.
Start seeds indoorsMar 27
Plant in the bedMay 29
Start pickingAug 7
Your tomato calendar for zone 3b
- Mar 27: Start tomato seeds indoors (or buy plants later)
- May 29: Plant tomatoes in the bed
- Aug 7: Start picking tomatoes
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 3b. Your local frost dates may be a week or two different. If a late cold snap is forecast, wait a few days.
Plan your raised bed in 3D. Pick your bed size and material, choose your plants, and get a printable plan with measurements, a shopping list and planting dates for your ZIP code. Free, no sign-up.
Open the free planner →