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WSU News weeds

Nov. 20: Learn to thwart forest weeds at WSU Extension expo

tree-ivyEVERETT, Wash. – Blackberries, ivy, holly, Scotch broom, reed canary grass and knotweed are a few of the invasive weeds that plague landowners. The Washington State University Extension forestry program will offer an expo to equip landowners to combat these invaders. » More …

Fighting tulip weeds, diseases with cover crops

By Cathy McKenzie, WSU Mount Vernon

Skagit-Valley-tulipsMOUNT VERNON, Wash. – Rotating cover crops in tulip fields shows promise for fighting disease in the economically important flower bulb, according to early research findings at the Washington State University research center in Mount Vernon. » More …

Feb. 27: Potato workshop highlights best practices, research

By Cathy McKenzie, WSU Mount Vernon

potatoMOUNT VERNON, Wash. – Diseases and weeds that afflict potatoes and best practices for growing them in western Washington are among the topics at a potato workshop 8 a.m.-3:30 p.m. Friday, Feb. 27, at the Washington State University Mount Vernon Research Center, 16650 State Route 536, Mount Vernon. » More …

Visitors worldwide use ‘Weed of the Month’ resource


Steve Van Vleet,
WSU Whitman
County Extension

COLFAX – Most people can recognize the average weed: thistle and dandelion, for example, are pretty easy to identify. But WSU Whitman County Extension has created a website feature to help the average person identify all kinds of invasive weeds – no matter how pretty they may be.


“Weed of the Month,” put together by extension educator Stephen Van Vleet, features photos and detailed information about specific invasive weeds found in the state of Washington. A new weed is added each month, … » More …

Weeds: Fight nature with nature

The approach of summer often brings with it delightful thoughts of gardening, scenic drives and nature watching. What could mar this beauty? Weeds!Washington is home to more than 500 weed species, 129 of which are noxious or non-native species. Though annoying pests to gardeners, weeds also cause statewide problems to acres of open terrain — far more than a bottle of weed spray can cure.To combat the destruction noxious weeds cause to the environment — such as disturbing plant communities, livestock grazing, wildlife habitat and water quality — WSU Extension is fighting nature with nature through its Invasive Weed Species Bioagent Enhancement Program, with regional … » More …