Latin: Sisymbrium officinale

Other names: Hedge mustard, wild mustard

Family: Brassicaceae

Runch is a common weed found in the United Kingdom that belongs to the mustard family (Brassicaceae). It is also known as hedge mustard or wild mustard. Runch is an annual or biennial plant known for its upright growth habit, deeply lobed leaves, and small yellow flowers.

Runch can be found in a variety of habitats, including agricultural fields, gardens, roadsides, and waste areas. It is native to Europe and has naturalized in many parts of the UK.

Runch in a missed herbicide spray of wheat

Unsprayed (missed strip) in a winter wheat crop showing the effect of the herbicide

Identifying Runch

Runch possesses several distinct features that help distinguish it from other similar-looking plants. The stems of runch are erect and can reach heights of up to one meter. The leaves are deeply lobed and alternate along the stem. They have a rough texture and can vary in shape, but are typically pinnately divided with toothed margins.

The flowers of runch are small and yellow, and they form clusters at the top of the stems. The flowers have four petals and six stamens. They typically bloom from late spring to early summer.

The Challenges of Runch

Runch seeds can germinate and establish new infestations, making long-term management necessary.