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Infiltration Testing: Low-impact development fact sheet

One of the first steps in siting a low-impact development facility is infiltration testing. Infiltration tests estimate the rate at which runoff will infiltrate, or pass through, native soil. An infiltration test, in essence, ...

Derek Godwin | Aug 2018 | OSU Extension Catalog

Vegetated Roofs: Low-impact development fact sheet

Growing a garden on your roof is an attractive alternative building method, but there's a lot to know before you start hauling soil to the top floor. Learn how vegetated roofs, also known as "green" roofs, can play an elevated role in the low-impact development landscape.

Derek Godwin | May 2018 | OSU Extension Catalog

Porous Pavement: Low-impact development fact sheet

Porous pavement allows runoff to move through the surface and into the soil beneath, reducing the volume of stormwater. Learn about porous asphalt, pervious concrete, permeable pavers and flexible paving systems and how each ...

Derek Godwin | Jun 2018 | OSU Extension Catalog

Are there insect issues with birch trees?

Q: Is it true that white paper birch in the Willamette Valley have been infested with insect like beetle? I wanted to plant one this spring and my yard maintenance service told me I should consider a different type due to the insect problem.

A: View answer | View all featured questions

Shade tree wanted, what, when and how should I plant?

Q: Hello, I live in Bend and have a south-facing back yard that really heats up in the sun. I'd like to plant a tree that will provide a canopy of shade and prefer deciduous for this purpose. Can you suggest one or more that will do well here?  

A: View answer | View all featured questions

Cultivating

Cultivating Healthy Farms, Forests, Food and Families in Polk County.

Newsletter

OSU environmental chemists tapped to lead studies of contaminants at military bases

Research is funded through nearly $3 million in grants

Chris Branam | Feb 15, 2018 | News Story

Conifers naturally shed needles in summer and fall

You're not looking at the same needles over time

Kym Pokorny | Oct 7, 2016 | News Story

Tips and tricks to save water during a hot summer

Prolonged heat wave amps up need for water in the garden

Kym Pokorny | Aug 4, 2017 | News Story