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OSU Extension Catalog

Ecological Design of Urban Landscapes: Economic, Social and Ecological Benefits

An ecological approach to landscape design incorporates natural systems as an integral part of urban landscapes. It differs from conventional landscaping in that buildings, hardscape, and landscape are planned as a unified whole, utilizing native plants and green infrastructure to provide ecological...

By Signe Danler, Gail Langellotto

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Is my tree truly dead?

We have a cedar that has lost its needles. Drought or something else? Should it be taken down?

By Amy Grotta

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Tree Pruning Basics

A properly pruned tree looks as natural as possible; that is to say, the tree’s appearance reflects its fundamental form and character. The pruner must be sensitive to maintaining this structural integrity, in addition to knowing a bit about tree biology and proper pruning principles!

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Can you identify this black and white bug?

I have lived in Oregon all my life and never seen this kind of bug before, what is it? It's not very fast moving, this one wasn't anyway.

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How can I get my clothes unsapped?

How do I get pine sap off of clothing?

By Francisca Belart

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Central Point, OR

Introduction to Trail Design for Non-Motorized Trails

Thu, Feb 21, 2019 6:00 pm - 8:00 pm

Learn how to build a sustainable trail on your property

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Ask an Expert is a way for you to get answers from the Oregon State University Extension Service. We have experts in family and health, community development, food and agriculture, coastal issues, forestry, programs for young people, and gardening.

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Featured Question

Can you identify this black and white bug?

I have lived in Oregon all my life and never seen this kind of bug before, what is it? It's not very fast moving, this one wasn't anyway.

See More Questions