Jerusalem artichoke: when to sow, plant out and harvest
Also called: Sunchoke.
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 outdoors | Harvest |
|---|---|---|
| Northern France | 1 February – 30 April | 1 October – 30 November |
| Atlantic coast | 22 January – 20 April | 5 October – 4 December |
| Eastern France | 24 January – 22 April | 29 September – 28 November |
| Mediterranean | 21 December – 19 March | 21 October – 20 December |
| Mountains (around 1,000 m) | 26 February – 25 May | 30 August – 29 October |
Growing
- Family
- Asteraceae
- Latin name
- Helianthus tuberosus
- Between rows
- 70–100 cm
- In the row
- 40–50 cm
- To harvest
- 180–210 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
- Gerbeaud — per-crop fiches: chou chinois, chou kale, chou-rave, rutabaga, patate douce, topinambour, gombo, haricot d'Espagne / haricots grimpants, pourpier, radis noir, chicorée/scarole, tomatillo, ail, échalote, ciboulette, ciboule, cerfeuil, sarriette
- Tous au potager — Distance de plantation des légumes : tableau des espacements