Lynn Ketchum

Flowers, Shrubs, and Trees

Displaying 1 - 5 of 5 resources

Aggressive local efforts were key to limiting spread of sudden oak death disease in Oregon

Aug 19, 2019
Limiting sudden oak death’s spread in southern Oregon has proved to be a success.

By Chris Branam | News Story

Are my arborvitae goners?

Mar 2018
About 8 years ago we planted arborvitae. They thrived and gained 50% in height and then over the last two years they have slowly started dying. Why are they dying? What variety could we plant that would survive better?

By Amy Grotta | Featured Question

Disease hitting boxwood shrubs in Oregon gardens

Jun 12, 2015
Boxwood blight could become a serious problem

By Kym Pokorny | News Story

OSU researchers organize rapid response to sudden oak death

Apr 23, 2004
A team of OSU plant pathologists are helping officials battle a pathogen that threatens a multi-million dollar wound upon Oregon’s nursery industry.

By Peg Herring | News Story

Plant disease-resistant apple varieties

Mar 26, 2004
If you want to apply chemicals to control apple diseases, your best bet is to plant disease-resistant varieties.

News Story