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Cauliflower: when to sow, plant out and harvest

Sowing, planting and harvest dates for your climate, good and bad companions, growing tips.

When to sow in your region

Average dates, computed from the frost dates of each climate. For your exact dates, choose your town.

ClimateSow under coverSow outdoorsPlant outHarvest
Northern France4 March – 24 March1 March – 30 June; 4 August – 17 August8 April – 28 April; 18 August – 31 August1 July – 31 December
Atlantic coast22 February – 14 March19 February – 20 June; 8 August – 21 August29 March – 18 April; 22 August – 4 September21 June – 4 January
Eastern France24 February – 16 March21 February – 22 June; 2 August – 15 August31 March – 20 April; 16 August – 29 August23 June – 29 December
Mediterranean21 January – 10 February18 January – 29 April; 24 August – 6 September25 February – 17 March; 7 September – 20 September15 August – 20 January; 20 May – 22 July
Mountains (around 1,000 m)29 March – 18 April26 March – 25 July; 3 July – 16 July3 May – 23 May; 17 July – 30 July26 July – 29 November

Growing

Family
Brassicaceae
Latin name
Brassica oleracea var. botrytis
Cold tolerance
Half-hardy (dislikes hard frost)
Soil temperature to germinate
4 °C minimum
Emergence
3–10 days
Between rows
60–80 cm
In the row
60–70 cm
To harvest
70 days

Companion planting

The level of evidence is shown for each pairing: many rest on tradition rather than on studies.

Good neighbours

  • French bean (bush or climbing)Tradition
  • RadishTradition

Keep apart

No documented pairing.

Sources