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Horseradish

Herbs · Perennial

Horseradish

Brassicaceae

At a glance

Plant spacing
50 cm
USDA zones
3a–9a
Frost-sensitive
no
Growth duration
30 weeks

Which beds suit?

Sun (prefers)
full sunAlso okay:partial shade
Soil (prefers)
loamyAlso okay:raised-bed mixclay
Drainage (prefers)
normal

Seed & start

Perennial

Plant once, returns every year.

Stachi's tip

Horseradish is the plant you'll never get rid of again. Plant it in a sunken container or give it a corner of its own. In autumn dig up the root, peel, grate — the volatile oils will bring tears to your eyes. Sells brilliantly when jarred.

Who is Stachi? →

The plant's year: sowing, transplanting, harvest

Sowing

No sowing weeks recorded.

Transplanting

Harvest

Good neighbours

No fixed companion partners — easy to mix.

Limited evidence. This value is not backed by a specialist source — treat it as a pointer.

Avoid these neighbours

No known conflicts.

Limited evidence. This value is not backed by a specialist source — treat it as a pointer.

Good pre-cultures

Stachi has no specific pre-cultures recorded.

Sources

  • LLM-Baseline-2026-05-27 Phase 7 expansion
  • Dreschflegel Bio-Saatgut – Meerrettich (https://dreschflegel-saatgut.de/meerrettich)

Where these figures come from

Timing
Traditional recommendation. Rarely studied under controlled conditions — treat it as experience, not law.
Spacing
Traditional recommendation. Rarely studied under controlled conditions — treat it as experience, not law.
Companion planting
Limited evidence. This value is not backed by a specialist source — treat it as a pointer.
Crop rotation
Limited evidence. This value is not backed by a specialist source — treat it as a pointer.
Yield
Limited evidence. This value is not backed by a specialist source — treat it as a pointer.

Sources: LLM-Baseline-2026-05-27 Phase 7 expansion · Dreschflegel Bio-Saatgut – Meerrettich (https://dreschflegel-saatgut.de/meerrettich)

Products mentioned in this post

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