Quercus

Horseradish

Armoracia rusticana

Not native to Kentucky

Ecological relationships

Who uses this plant?

5CaterpillarsGenus host records with ranges including KY

Genus host records with ranges including KY · Armoracia

  • Evergestis pallidataPurple-Backed Cabbageworm Moth
  • Evergestis unimaculaLarge-Spotted Evergestis
  • Feltia subgothicaSubgothic Dart
  • Hellula rogatalisCabbage Webworm
  • Lascoria ambigualisAmbiguous Moth, Ambiguous Litter Moth
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
—BeesSoutheastern regional records
—Specialist beesPollen specialists
—BirdsRecorded genus food-resource interactions; not a state feeding claim
Growing and identification

Plant details

Family
Brassicaceae
Hardiness
Zones 4a–9b
Soil pH
Acidic to alkaline
Flower color
White

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
Also known as

Horse Radish; Horseradish

Conservation status

Kentucky rankSNA
Global rankGNR
KY statusNot verified
Federal statusNot verified

Conservation source Global and federal source

Native alternatives

Find natives for your garden

Sources