Cauliflower plant

When to plant cauliflower 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 cauliflower.

Start seeds indoorsMar 31
Plant in the bedApr 28
Start pickingJul 2
Plant again for fallJul 4

Your cauliflower calendar for zone 4a

Fall crops are easier than spring ones. Tie leaves over the head to keep it white.

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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Cauliflower in other zones

See everything to plant in zone 4a →