When to plant broccoli in zone 4b
In zone 4b, the last spring frost usually comes around May 8 and the first fall frost around Sep 28. Here is when to plant broccoli.
Start seeds indoorsMar 27
Plant in the bedApr 17
Start pickingJun 21
Plant again for fallJul 11
Your broccoli calendar for zone 4b
- Mar 27: Start broccoli seeds indoors (or buy plants later)
- Apr 17: Plant broccoli in the bed
- Jun 21: Start picking broccoli
- May 30: Start broccoli seeds indoors for a fall crop
- Jul 11: Plant broccoli again for a fall crop
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 4b. 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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