Brussels sprouts: 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.
| Climate | Sow under cover | Sow outdoors | Plant out | Harvest |
|---|---|---|---|---|
| Northern France | 4 March – 24 March | 1 March – 31 May; 21 July – 10 August | 1 April – 21 April | 1 October – 28 February |
| Atlantic coast | 22 February – 14 March | 19 February – 21 May; 25 July – 14 August | 22 March – 11 April | 5 October – 18 February |
| Eastern France | 24 February – 16 March | 21 February – 23 May; 19 July – 8 August | 24 March – 13 April | 29 September – 20 February |
| Mediterranean | 21 January – 10 February | 18 January – 19 April; 10 August – 30 August | 18 February – 10 March | 21 October – 17 January |
| Mountains (around 1,000 m) | 29 March – 18 April | 26 March – 25 June; 19 June – 9 July | 26 April – 16 May | 30 August – 25 March |
Growing
- Family
- Brassicaceae
- Latin name
- Brassica oleracea var. gemmifera
- Cold tolerance
- Hardy (withstands frost)
- Soil temperature to germinate
- 10 °C minimum
- Between rows
- 60–80 cm
- In the row
- 60 cm
- To harvest
- 100 days
Companion planting
The level of evidence is shown for each pairing: many rest on tradition rather than on studies.
Sources
- Aujardin.info — Le calendrier du potager (reference: Île-de-France)
- Jardiner Malin — Calendrier de semis et récolte au potager
- The Old Farmer's Almanac — Planting Calendar (New York City, last frost Apr 3; cross-checked with Minneapolis, last frost Apr 30)
- Gerbeaud — Graines : températures de germination
- Tous au potager — Distance de plantation des légumes : tableau des espacements