Horseradish

Horseradish

vegetable

Perennial root — replant a piece each spring, harvest large roots in fall. Raised beds are ideal because they contain its aggressive spread. Roots get more pungent after a frost. A single plant can last years; divide in spring to propagate.

At a glance

USDA Zones
2–9
Sun
Full sun (6+ hrs)
Water
Medium — water when top inch of soil is dry
Soil
Loam, sandy
pH
Neutral, acidic
Spacing
18 in. between plants
Space needed
A 2×2 ft block of the bed
Days to maturity
About 150 days

Planting & harvest windows

Northern Hemisphere timing. Adjust ±4–6 weeks based on your last/first frost dates.

ActivityJanFebMarAprMayJunJulAugSepOctNovDec
Plant
Harvest

Plant  Harvest

Good companions

Recommended varieties

  • Maliner Kren
    150 daysseed

    Classic large-rooted German type. Best for grating into sauce.

  • Big Top Western
    150 daysseed

    Smooth-skinned, mild heat, high yield.

  • Variegata
    150 daysseed

    Attractive cream-streaked leaves; same fiery roots.

Add Horseradish to your raised bed — the planner handles spacing and companion warnings automatically.

Open the planner →