When to plant cauliflower in zone 3

Cauliflower in USDA zone 3

Average zone 3 frost dates: last spring frost ≈ May 20, first fall frost ≈ Sep 15 (118 frost-free days). Local dates can vary by 2-3 weeks.

Fussier than broccoli: keep it growing steadily and avoid heat at heading time.

When to plant cauliflower in zone 3?

Start seeds indoors: Apr 8 – Apr 22; Transplant outdoors: May 13 – Jun 3; Expected first harvest: from Jul 22; Fall planting: Jun 23 – Jul 7.

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