Weeds are, unfortunately, a common sight, but it takes a special kind of weed to make the “World’s Top 10 Worst Weeds List.” Field bindweed (Convolvulus arvensis), a non-regulated Class C noxious weed, is one of them. If you’ve ever… Read More ›
Have you visited a lake or river to swim on one of these hot summer days, only to find the water thick with submerged plants? Some of those aquatic plants are natives, but others are nasty invasive species that can… Read More ›
It’s the first week of August, the days are hot, and there’s one plant on every Noxious Weed Specialist’s mind: tansy ragwort (Senecio jacobaea). This biennial, regulated Class B noxious weed grows throughout King County, especially on open, sunny sites… Read More ›
Noxious weeds are sneaky. Each one has its trick for taking over: many spread by seed, while others use stem and root fragments, underground rhizomes, or aboveground runners. Anytime you’re out around a noxious weed, make sure you know how… Read More ›
Although it is perhaps one of the prettiest noxious weeds, purple loosestrife (Lythrum salicaria), is widely recognized throughout North America as a highly invasive and damaging weed in wetlands and along shorelines. Vigorous perennial roots and rhizomes combined with incredibly… Read More ›
With the Vashon Strawberry Festival coming up and the Unofficial Mayor Contest in full swing, Vashon Island might seem like an idyllic world of its own, separated from the rest of King County. In some ways, it is; but when… Read More ›
Beating back noxious weeds is often tough, but knowing the best way to control them can make your job a whole lot easier. That’s why the King County Noxious Weed Control Program is offering a free Weed Control Methods Workshop… Read More ›
[español] ¡El Programa de Control de Malas Hierbas Nocivas del Condado de King, en colaboración con Seattle Public Utilities, está ofreciendo un taller gratuito en español sobre la poda y el mantenimiento de los árboles, así como el control de… Read More ›
If Washington ever decided on a state weed, Himalayan blackberry (Rubus armeniacus) would be a strong contender. Some people hate its thorns, some love its berries, but almost everyone has a strong opinion about it. Yet, for all its fame,… Read More ›
If you have knotweed that you want to control, taking a class might be a good first step. Our riparian team will be teaching two sessions of our popular free workshop on invasive knotweed control on June 20 and June 26…. Read More ›
