
Limited distribution in Utah. High priority to eradicate all known populations and prevent new ones.
Quick Facts
Report your sighting through EDDMapS to help us track and respond to new infestations.
Report on EDDMapSElongated Mustard
Brassica elongata
Overview
Elongated mustard is an annual or biennial plant from Eurasia that invades roadsides, rangelands, and disturbed areas. It can form dense stands that crowd out native vegetation and reduce forage production.
How to Identify
Annual or biennial 1-4 feet tall. Yellow flowers typical of mustard family. Long, narrow seed pods pressed against the stem. Leaves are deeply lobed at the base, becoming smaller up the stem.
Control Methods
Hand-pull or hoe before seed set. Herbicide treatment in early growth stages.
Herbicide Recommendations
Chlorsulfuron, metsulfuron, or 2,4-D. Apply in early spring or fall.
⚠️ Always read and follow pesticide label directions. Contact your county weed superintendent for site-specific recommendations. Permits may be required near water.
Need help managing this weed?
Skyline CWMA can connect you with technical assistance, cost-share programs, and licensed contractors for treatment on your property.




