The Scotch broom gall mite has been studied in controlled greenhouses for the past 20 years, Oneto said. However, U.S. researchers had not given the OK for it to be used as a biological control.

It looks harmless enough; that bold yellow-when-in-bloom shrub often seen along roadways does have a somewhat aesthetically pleasing look to it. At least from a distance.

Invasive Scotch broom is disrupting natural forest succession and ruining prime salmon habitat as its yellow scourge spreads along the Hoh River and in other Olympic Peninsula salmon strongholds.

Evergreen and wide-reaching, the Scotch broom plant can yield over 20,000 seeds that may dwell in the soil for up to 80 years, according to the Clackamas Soil and Water Conservation District.

But war it was, to win back, acre by acre, more than 700 acres of native prairie at Thurston County’s Glacial Heritage Preserve south of Olympia, from an invasion of Scotch broom.

It is said that his family name of Plantagenet came from "planta genista," Genista being the old name for Scotch broom, but Dr. Hort digresses. You really don't want this plant in your garden ...

The rows of bright yellow scotch broom near Kelso airport may be thriving now, but Cowlitz County unleashed a tiny, yet effective, secret weapon Thursday morning: 200 Bruchidius villosus beetles.

Today a team of volunteers is hard at work near Nevada City, loppers and weed wrenches (also known as root jacks) the tools of choice to attack a stand of the ubiquitous and highly flammable scotch ...

DEAR GAIL: I love Scotch broom-- for the first couple of years -- then I usually want to take a blow torch to it! The beautiful, old-fashioned, spring-flowering shrub is a member of the pea family.

Scotch broom spread so rapidly, it now infests 30 of Washington’s 39 counties, according to Justin Bush, executive coordinator of the invasive species council.