![]() When dry, capsules can shoot seeds up to 15 feet from parent plant. Seeds are contained in a three-celled capsule, one seed per cell. In late spring, yellow-green flower bracts appear. The leaves are narrow, one to four inches long. It is toxic to cattle and may result in their death.ĭESCRIPTION: This perennial plant grows up to three feet tall. Contact your local state or county weed specialist for specific updated information.īACKGROUND: A native plant of Eurasia, leafy spurge is an aggressive invader of pastures, rangeland, stream banks, and waste areas. Herbicides can offer good to excellent control when applied to rosettes in spring and fall and during pre-bloom. Rust infected plants will have yellowish puckered leaves with dark spots on the underside. As the fruits mature they turn from green to dark brown or nearly black.ĬONTROL: Biocontrol rust fungus is naturally wide spread and other agents are currently undergoing research. Club shaped seed pods each produce a single seed. The bright yellow flowers bloom and are highly visible in late spring. Leaves are blue-green with a whitish midrib. A thick tap root may penetrate to five feet deep. It thrives in waste areas, gravel pits, road sides, pastures, field edges, and disturbed soils.ĭESCRIPTION: Dyer’s woad may be a winter annual, biennial, or a short-lived perennial. Contact your local state or county weed specialist for specific updated information.īACKGROUND: Dyer's woad was introduced from Europe for pr0oduction of textile dyes. ![]() Select herbicides can offer good control when applied from spring through fall. Fruits are two celled berry-like capsules containing many seeds.ĬONTROL: Biocontrol is available and offers fair control. Flowers are yellow and may have white highlights, and have long tails appearing similar to snap dragon flowers. Leaves are wedge shaped, have a thick waxy cuticle, and partially clasp the stem. Blue-green leaves line the stem in alternate fashion. It reproduces by seed and rootstock.ĭESCRIPTION: This perennial weed grows from two to nearly four feet tall. It is very aggressive and hard to control due to deep roots and a thick waxy leaf cuticle. It prefers rangeland and roadside habitat with sandy soils. Contact your state or county weed specialist for specific, updated information.īACKGROUND: Dalmatian toadflax was brought to the United States from Europe, probably for ornamental purposes. Several herbicides are effective in controlling oxeye daisy. Maintaining a dense crop canopy is effective in stopping establishment. Oxeye daisy is often confused with members of the Aster genus however, the coarse teeth on the leaf margins differentiate it from asters.ĬONTROL: Biocontrol is not available. It grows in patches and can spread vegetatively and by seed. Although not toxic, it can give milk an off-flavor if consumed by dairy cattle. The plant has a disagreeable odor if crushed. Flowers range in diameter from 1 to 2.2 inches and blossoms usually appear from June to August. Leaves are lance-shaped with coarse teeth. OTHER COMMON NAMES: Marguerite, moon-daisyĭESCRIPTION: This perennial, rhizomatous herb grows 1 to 3 feet tall. Often found in meadows, roadsides, waste areas, grasslands, or overgrazed pastures. ![]() It is prevalent on poor soils, tolerates cold conditions and survives drought well. State Noxious Weeds Class 1A Weeds African rueīACKGROUND: This native of Europe survives in a wide range of environments. Other Important Invasive Weeds (not required by law to be controlled) Therefore, each county may reprioritize these weeds as they see fit for their own needs. ![]() *Each county in Utah may have different priorities regarding specific State designated Noxious Weeds. EDRRĬlass 2 Weeds = Widely distributed in Utah, considered controllableĬlass 3 Weeds = Widely distributed in Utah, considered beyond control, control expansionĬlass 4 Weeds = Present in Utah. Significant risk of invasion from neighboring states.Ĭlass 1B Weeds = Limited distribution in Utah. Additionally, these weeds have been classified into the following five categories:Ĭlass 1A Weeds = Not known to exist in Utah. The following state and county noxious weeds must be controlled by law ( Utah Noxious Weed Act R68-9, Utah Code Annotated title 4 Chapter 17 and the Uintah County Weed Control Rules and Regulations).Īs of 2016, Utah lists a total of 54 weeds on the noxious weed list. ![]()
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