Kale plant

When to plant kale 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 kale.

Start seeds indoorsApr 3
Plant in the bedApr 17
Start pickingJun 11
Plant again for fallJul 8

Your kale calendar for zone 3b

Very cold-hardy. A light frost makes the leaves sweeter.

Spacing in a raised bed: 1 plant per square foot.

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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Kale in other zones

See everything to plant in zone 3b →