When to plant broccoli in zone 4a
In zone 4a, the last spring frost usually comes around May 12 and the first fall frost around Sep 21. Here is when to plant broccoli.
Start seeds indoorsMar 31
Plant in the bedApr 21
Start pickingJun 25
Plant again for fallJul 4
Your broccoli calendar for zone 4a
- Mar 31: Start broccoli seeds indoors (or buy plants later)
- Apr 21: Plant broccoli in the bed
- Jun 25: Start picking broccoli
- May 23: Start broccoli seeds indoors for a fall crop
- Jul 4: 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 4a. 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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