Broccoli plant

When to plant broccoli 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 broccoli.

Start seeds indoorsMar 17
Plant in the bedApr 7
Start pickingJun 11
Plant again for fallJul 23

Your broccoli calendar for zone 5b

Cut the main head before the flowers open; smaller side shoots follow.

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

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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Broccoli in other zones

See everything to plant in zone 5b →