Yellow star thistle is one of the most aggressive invasive broadleaf weeds in western North America, forming dense spiny stands that crowd out native grasses and forage on rangeland, roadsides, and pastures. It is toxic to horses and can cause irreversible neurological damage when consumed over time. Because it is a broadleaf species, selective herbicides … Read more
Purple deadnettle is a winter annual broadleaf weed that emerges in fall, overwinters as a low rosette, and blooms in early spring with small purple flowers. It spreads rapidly through seeds and thrives in thin turf, garden beds, and no-till fields. Because it is a broadleaf species, selective broadleaf herbicides control it without harming most … Read more
Green kyllinga is a warm-season perennial sedge that forms dense mats in lawns, sports fields, and golf courses across the southern United States. It spreads through underground rhizomes and produces viable seeds, and it tolerates close mowing better than most turfgrasses. Because it is a sedge, standard broadleaf herbicides do not control it. Effective green … Read more
Eurasian milfoil is a submerged aquatic weed that forms dense mats in lakes, ponds, rivers, and irrigation canals. It spreads through stem fragments that root in new areas, and it can dominate a waterbody within a few seasons. Because it grows under water, control requires aquatic-approved herbicides, not terrestrial products. Effective Eurasian milfoil control depends … Read more
Italian arum is a shade-tolerant perennial that spreads aggressively through underground tubers and berry-dispersed seeds, forming dense colonies in gardens, woodlands, and riparian areas. It is toxic to humans and pets if ingested, and its sap can cause skin irritation. Because it is a broadleaf plant, selective broadleaf herbicides control it without harming most grasses. … Read more
Rose of Sharon is a flowering shrub that many gardeners plant on purpose, but it can become invasive when seedlings spread into lawns, fence rows, and natural areas. It produces thousands of seeds per plant, and those seeds germinate readily in disturbed soil. Controlling it requires herbicides that kill the woody root system, not just … Read more
St John’s wort is a perennial broadleaf weed that spreads aggressively through creeping roots and seeds, forming dense patches in pastures, fence rows, roadsides, and disturbed ground. It is toxic to livestock and can cause photosensitivity, weight loss, and death when consumed in quantity. Because it is a broadleaf species, selective herbicides control it without … Read more
Florida pusley is a low-growing summer annual broadleaf weed that forms dense mats in lawns, gardens, and disturbed areas across the southern United States. It spreads rapidly through seeds and thrives in thin, weak turf where competition from desirable grasses is low. Because it is a broadleaf species, selective broadleaf herbicides control it without harming … Read more
Virginia creeper is a native North American vine that many homeowners treat as a weed once it climbs trees, fences, and siding. Because it is a broadleaf woody vine, controlling it requires herbicides that reach the roots, not just burn the leaves. The right product depends on where the vine is growing and what surrounding … Read more
Fence rows collect weeds, brush, and volunteer trees faster than almost any other part of a property. They are hard to mow, easy to neglect, and often the first place invasive species take hold. Choosing the right herbicide for fence rows means matching the product to the vegetation you need to control and the surrounding … Read more