|This perennial has a clump forming growth habit. Leaves are 12 to 20 inches long, oval, toothed and dark green, on long stalks. Roots are cream colored, fleshy and branching. Leafy, branched stems bear terminal panicles of white flowers up to 1/2 across.
Horseradish is primarily used as a condiment in cooking known for its strong bite. The sap from this plant may irritate the skin.