Potato: 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 outdoorsHarvest
Northern France18 March – 21 April1 June – 31 October
Atlantic coast8 March – 11 April22 May – 4 November
Eastern France10 March – 13 April24 May – 29 October
Mediterranean4 February – 10 March20 April – 20 November
Mountains (around 1,000 m)12 April – 16 May26 June – 29 September

Growing

Family
Solanaceae
Latin name
Solanum tuberosum
Cold tolerance
Half-hardy (dislikes hard frost)
Between rows
50–70 cm
In the row
30–40 cm
To harvest
125 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