The pollen is also toxic, and tansy ragwort within two miles of hives can produce dangerous honey without the beekeeper knowing.

Tansy ragwort is a killer. This noxious weed is dangerous to humans and livestock due to a poisonous alkaloid in its tissue which causes liver damage when ingested.

CORVALLIS — Tansy ragwort has made a comeback in western Oregon through a combination of weather and a “down cycle” for the three insects used to control this toxic weed. This continues a ...

Tansy Ragwort is blooming now, producing lots of little yellow, daisy-like flowers on straight stems 2 to 4 feet high with divided, rather lacy foliage. Pretty as a yarrow, tansy ragwort looks ...

Tansy ragwort reproduces mostly by seeds, but root fragments may also generate new plants. Seeds may remain viable up to fifteen years in field conditions—long-term effort is necessary.

People say ridding their properties of tansy ragwort is a continuing battle. Some call the plant a curse. Tansy ragwort is a Class B noxious weed, meaning it is a high priority for removal and is ...

This spring and summer has been glorious for wild flowers. Fields and byways are beautiful with abundant blossoms and foliage - especially tansy ragwort.

Property owners pulling up noxious weed tansy ragwort can bring it to Castle Rock for free disposal Saturday. The Cowlitz County Noxious Weed Control Program is accepting bagged flowering tansy ...

But his suggestion that tansy and ragwort are one and the same is incorrect, other than both are members of the daisy family.

People throughout Western Washington are reporting unusual numbers of a poisonous weed called tansy ragwort.

The war against tansy ragwort in Oregon has essentially been won, says Peter McEvoy, a professor of ecology at Oregon State University, who spoke Wednesday at the annual meeting of the Ecological ...

HELENA -- They infest a portion of Montana the size of Florida and Arkansas combined, and go by names like tansy ragwort, yellow toadflax and houndstongue. One species, knapweed, takes ...