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Broccoli: 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 April – 30 June; 11 August – 24 August1 April – 21 April; 1 September – 21 September1 July – 30 November
Atlantic coast22 February – 14 March22 March – 20 June; 15 August – 28 August22 March – 11 April; 5 September – 25 September21 June – 4 December
Eastern France24 February – 16 March24 March – 22 June; 9 August – 22 August24 March – 13 April; 30 August – 19 September23 June – 28 November
Mediterranean21 January – 10 February18 February – 4 May; 31 August – 13 September18 February – 10 March; 21 September – 11 October20 May – 22 July; 15 August – 20 December
Mountains (around 1,000 m)29 March – 18 April26 April – 25 July; 10 July – 23 July26 April – 16 May; 31 July – 20 August26 July – 29 October

Growing

Family
Brassicaceae
Latin name
Brassica oleracea var. italica
Cold tolerance
Hardy (withstands frost)
Soil temperature to germinate
10 °C minimum
Emergence
3–10 days
Between rows
50–60 cm
In the row
50–60 cm
To harvest
65 days

Companion planting

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

Good neighbours

Keep apart

Sources