"If your pH is off, the plants will not thrive," she said. Soils in the Willamette Valley tend to be a bit acidic, which means people often have to apply lime to raise the pH, Chernoh said.

"They are the plants that have adapted to our growing conditions in the Willamette Valley," said Jenny Meisel of Marion Soil and Water Conservation District. "Once established (about two years ...

These rare plants are found only in Oregon’s Willamette Valley and at one isolated site in Washington. “It’s past time for the federal government to recognize that these delicate flowers need strong ...

In the Willamette Valley, outside of the Portland metro area ... “Extra mulch around the roots will also help out plants that can't be moved inside.” In the Upper Hood River Valley, a Freezing ...

Gonen said Willamette Valley residents with ash trees on their ... low” effects on surrounding wildlife, insects and other plants. “It’s all contained within the tree,” Gonen said.