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Kale: 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 France18 February – 10 March18 March – 31 March; 1 September – 21 September1 April – 21 April1 October – 31 December
Atlantic coast8 February – 28 February8 March – 21 March; 5 September – 25 September22 March – 11 April5 October – 4 January
Eastern France10 February – 2 March10 March – 23 March; 30 August – 19 September24 March – 13 April29 September – 29 December
Mediterranean7 January – 27 January4 February – 17 February; 21 September – 11 October18 February – 10 March21 October – 20 January
Mountains (around 1,000 m)15 March – 4 April12 April – 25 April; 31 July – 20 August26 April – 16 May30 August – 29 November

Growing

Family
Brassicaceae
Latin name
Brassica oleracea var. sabellica
Cold tolerance
Hardy (withstands frost)
Between rows
45–60 cm
In the row
40–60 cm
To harvest
60 days

Companion planting

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

Good neighbours

No documented pairing.

Keep apart

No documented pairing.

Sources