WHAT was once considered a winter problem, common sowthistle, has become an issue all year round and is now one of the most widespread, broadleaf weeds in southern Queensland and northern New ...

ELBA — Perennial sowthistle loves the rich, fine soils and high light intensity of the Elba muckland. Sowthistle doesn’t mind the onions it co-habitates with or winter temperatures.

The spiny sowthistle (Sonchus asper) is a flowering plant that grows up to three feet tall and sprouts small yellow flowers. A native of Europe, it's an invasive weed here in the United States. If ...

Growth of perennial sowthistle was examined under different levels of soil pH, soil moisture content, light intensity, and temperature. Soil pH ranging from 5.2 to 7.2 had little effect on the number ...

In a world-first case of herbicide resistance, researchers have confirmed that sowthistle weed in the south east of South Australia is resistant to the popular product 2,4-D.

I kneel to a sowthistle, leaf-starred and gold between my fingers, the stalk throbbing light. I encounter its living testimony, as closely as I would encounter the expert findings of any state report.