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Showing 1 - 10 of 14 results.

Nitrogen-fixing trees “eat” rocks, play pivotal role in forest health

By tapping nutrients from bedrock, red alder trees play a key role in healthy forest ecosystems.

Chris Branam | Feb 25, 2019 | News Story

Trees and Shrubs for Erosion Control

A list of recommended trees and shrubs in Oregon, good for controlling erosion.

Jul 2018 | Collection

What should I be doing now for weed control?

Q: The straw mulch I used at the end of summer to suppress the weeds doesn't seem to be working. Should I till it and cover with plastic? black or clear? Is there something better. Or should I add more straw. I could probably bring some cardboard home from work. Is this a healthy option?

A: View answer | View all featured questions

Drought hits Douglas-fir trees hard

Diseases and pests take advantage of trees' weakened condition

Mary Stewart | May 29, 2015 | News Story

Streamside planting zones

Describes the three planting zones around a stream.

Jul 2018 | Article

Oregon Ash

Information on the Oregon Ash (Fraxinus latifolia).

Jul 2018 | Article

White Alder

Information on the white alder and red alder (Alnus rhombifolia).

Jul 2018 | Article

Bigleaf Maple

Information on the bigleaf maple (Acer macrophyllum).

Patrick Breen | Jul 2018 | Article

Douglas-Fir

Information on the Douglas-Fir (Psuedotsuga menziesii).

Jul 2018 | Article

Ponderosa Pine

Information on the Ponderosa pine, or western yellow pine (Pinus ponderosa).

Jul 2018 | Article