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Content by Dave Shaw

The madrones look troubled, how can I help?

Do madrones have a short life cycle? Is something killing them? What can I do to help them thrive?


By Dave Shaw, | Featured Question

How do I know if my tree is healthy?

Are you worried about a tree on your property? Oregon State University Extension Service Foresters help you learn about individual tree needs, how to detect and describe symptoms of poor tree health, and to decide whether you need to take further action.

By Nicole Strong, Dave Shaw | OSU Extension Catalog

Sudden Oak Death: Prevention, Recognition, Restoration

A guide for homeowners, small woodland owners, resource managers, and conservation groups to recognize, prevent, and manage Sudden Oak Death. This publication can be downloaded in two different formats. The "PDF" button will provide a 12-page, 8.5-inch-by-11-inch PDF. The supplemental file is...

By Dave Shaw, Norma Kline | OSU Extension Catalog

What’s Wrong With My Madrone?

This article briefly discusses the most prevalent madrone disease problems, then offers a broader perspective on the health of this southern Oregon native.

By Max Bennett, Dave Shaw, | Article

What is up with this tree?

We had a viewer send in this photo of a tree in Cedar Canyon near Banks, Oregon. We posted this to the OPB/ Oregon Field Guide Facebook page and now I feel a responsibility to give folks an accurate ID of what is causing this strange formation atop the tree. Mistletoe? Witch's Broom? Something else?...

By Dave Shaw | Featured Question

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