Not all of the showy plants
you see along Iowa's roadways are native grasses and
wildflowers. Some are invasive, non-native plant species.
Invasive plants are species that have become
established in an area and, by out-competing more
desirable plants, can degrade agricultural land
and natural areas. Invasive plants continually adapt and
move to new habitats, particularly disturbed roadsides.
Controlling the spread of these species is an IRVM
priority.
Several showy invasive plants, commonly found in Iowa,
are shown below. Click on the links for more
information.
*Iowa
Primary Noxious Weed
**Iowa Secondary Noxious Weed
To see a complete list of Iowa's noxious weeds and
learn more about the Iowa Weed Law, visit
ISU Extension Agronomy.
