When to plant winter squash 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 winter squash.
Sow in the bedMay 29
Start pickingAug 27
Your winter squash calendar for zone 3b
- May 29: Sow winter squash seeds in the bed
- Aug 27: Start picking winter squash
Butternut and acorn store for months. Let vines spill over the bed edge.
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.
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