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Horse-radish

Armoracia rusticana

Last reviewed: June 2026

Horse-radish (Armoracia rusticana)
Photo: Schlaghecken Josef / Wikimedia Commons (CC BY 4.0)

Light

part shade

Water

medium

Size

24"–48" H × 12"–24" W

Bloom

May, Jun, Jul

Native to

NE

Pollinators

bees, beetles

Horseradish is a robust perennial herb with large, coarse leaves that grows 2-4 feet tall. It produces small white flowers in late spring and early summer, though it's primarily grown for its pungent edible roots. The plant spreads moderately and can become established in garden beds.

In an HOA neighborhood

Horse-radish takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Large coarse leaves can appear untidy
  • Tends to spread aggressively
  • More appropriate as herb garden plant than ornamental

Wildlife value

The white flower clusters attract bees and beneficial beetles during the blooming period from May through July.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Does Horse-radish fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.