…that uses a combination of mechanical and chemical control is more effective and may be less damaging to a site. For additional information on this approach, contact the District’s WeedWise program at 503-210-6000. […]
![December Invasive Weed of the Month: English Holly English holly 800x400](https://i0.wp.com/conservationdistrict.org/wp-content/uploads/English-holly-800x400-100x100.jpg)
…that uses a combination of mechanical and chemical control is more effective and may be less damaging to a site. For additional information on this approach, contact the District’s WeedWise program at 503-210-6000. […]
…WeedWise program or consult the Pacific Northwest Weed Management Handbook for the most up-to-date herbicide recommendations. Report Invasive Weeds Have you noticed invasive spurge laurel in your area? If so, please report your […]
…not pack or ship well so you won’t find them in stores. This makes them an ideal plant to grow at home! Learn More For more detailed information on Himalayan blackberry control, check […]
…more than one year. While there are mechanical or manual control options for small patches, large sites will almost certainly require integrating herbicide use into your control strategy. For more information on how […]
…control of this invasive plant, please contact our WeedWise team at 503-210-6000. Report Puncturevine! Have you noticed invasive puncturevine in your area? If so, please report your sightings to the District’s WeedWise program […]
Download the Pasture Bullies handout on toxic plants. Tansy Ragwort is the toxic weed of the moment. It’s bright yellow flower can been seen throughout our rural areas. In many places, however, good […]
Tansy Ragwort IS manageable. Tansy ragwort (Jacobaea vulgaris) has long tormented hay producers and rural landowners who graze livestock. Horses and cows are especially susceptible to this poisonous weed. In open fields, grazing […]
…black striped caterpillars of the moth feed on the flowering plant during the summer months. Landowners may consider chemical controls when working in hay or pasture lands to prevent livestock poisoning. Want more […]
Clean your boots! And your sneakers, sandals, and flip-flops too. Give them a quick check before and after you hike to prevent the spread of invasive weeds. Summer is here and that means […]
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