Plant Database / Vegetables / Horseradish
Vegetables

Horseradish

Armoracia rusticana
Brassicaceae (Mustard)

Plant once and you'll have it forever — a pungent root that spreads, so give it a contained spot.

EdiblePerennialVigorousMedicinal
Horseradish (Armoracia rusticana) illustration — Texas Roots plant database, by Jordan Polasek
Sun
Full sun to part shade
Water
Moderate
Soil
Deep, loose
pH
6.0–7.5
Hardiness
Hardy perennial
Height
2–3 ft
Spacing
18–24 in
Days to harvest
Dig fall, year 1+

What it is

Horseradish (Armoracia rusticana) is in the Brassicaceae (Mustard) family. Plant once and you'll have it forever — a pungent root that spreads, so give it a contained spot.

How to grow it

It wants full sun to part shade, water it moderate, and give it deep, loose soil. Target a soil pH around 6.0–7.5. Space plants about 18–24 in apart. Expect roughly Dig fall, year 1+. Hardy perennial.

How it's used

Horseradish is used: grated root as condiment.

🔎 How to identify it

  • Large coarse dock-like leaves
  • Thick white taproot
  • Spreads from root pieces

Edibility

PartsRoot
UsesGrated root as condiment
CautionVery pungent; spreads aggressively.
🌤 Before you plant: check the live 7-day garden weather to time it right for frost and heat.

Part of the free Texas Roots plant database, compiled by Jordan Polasek from his greenhouse in El Campo, Texas. Free to read and share. If it helped, the best thanks is to grow something.