Horseradish
Armoracia rusticana
In a typical UK garden, plant out early March to mid-April, and harvest mid-October to late March.
When to sow, plant and harvest
Last frost around 20 April, first frost around 31 October.
- Plant out
- early March to mid-Aprilearly October to late October
- Harvest
- mid-October to late March
Growing facts
- Spacing
- 30 cm apart, rows 60 cm apart
- Square foot
- 1 per square (30 cm squares)
- Sowing depth
- Grown from plants, sets or crowns
- Ready in
- 180 to 540 days from planting
- Grows to
- 75 cm
- Hardiness
- Hardy to about -25 °C
- Sun
- Copes with some shade
- Crops for
- Several years (perennial)
Growing tip
Grow it in a large sunken container or a spare corner; any scrap of root left in the soil will regrow.
Neighbours
Grows well with
Brassicas are one crop rotation group. Try not to grow them where any of the family grew in the last two or three years. How crop rotation works
More brassicas
Where these figures come from
Every crop in VegLog was checked against published growing advice. Dates are worked out from average frost dates, so they shift with your garden. For horseradish, we used:
Grow horseradish with VegLog
Add horseradish to a bed and VegLog reminds you when to sow, plant out and pick, timed to your own town's frost dates.
