Horse Radish,

Hazard Information

Route: Skin     Plant Part: Sap

Scale: Low

Sap can irritate the eyes and skin.


Common Name(s)

Horse Radish

Latin Name

Armoracia Rusticana


The leaves are large and coarse toothed at the edges and bright green in colour. They grow to about 1 metre (3 feet ) tall. Branched clusters of white flowers at the top.


The sap is the irritant of this plant. The roots are eaten as a relish with roast beef, some children can suffer stomach upsets.


Contact with the sap of the plant can cause irritation to the eyes and skin.

Flowering Period

Leaves appear in spring, flowers in summer.


Roadsides, wasteland, farmland, vegetable patches etc.