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How to grow swedes

Frost-hardy · Cabbage family

When to sow and plant

No sourced time window

Based on: average for Germany, last frost 19 April, safe from 6 May

Planting calendar for your area
Where the dates come from

The weeks come from our sources; the dates use the average frost in Germany. Enter a German postcode to get dates for your area.

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Good and bad neighbours

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Crop rotation

After the cabbage family, leave the bed free of it for at least 4 years (sources: 4–5 years).

  • The same species should go back to the same spot after a break of 3 years at the earliest.
  • Example: grown here in 2026, again from 2031.
  • If clubroot has appeared in the bed: no plants of the cabbage family for at least 7 years, not even mustard as green manure.

At a glance

Family
Cabbage family (Brassicaceae)
Frost
Hardy, tolerates frost
Spacing (row × plant)
38 × 23 cm (15 × 9 in)
Plants per m²
11.4
Per square foot (30 × 30 cm)
4 plants
Life cycle
Annual
Harvest
After 90 days

Spacing according to RHS: How to grow swedes. Other sources: 46 × 13 cm (18 × 5 in) (USU Extension: How to Grow Rutabagas and Turnips in Your Garden).

Questions and answers

How far apart should I plant swedes?

38 × 23 cm (15 × 9 in) (row × plant), according to RHS: How to grow swedes.

How long a break do swedes need in the same bed?

After the cabbage family, leave the bed free of it for at least 4 years (sources: 4–5 years). The same species should go back to the same spot after a break of 3 years at the earliest.

More from the cabbage family

Sources

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Retrieved on 23 October 2026. Facts in our own words, one source per value.