Research-based educational materials about Flowers, Shrubs, and Trees from the OSU Extension Catalog

long horned bee on small white pink flower
EM 9391
Published March 2023
Cover image of publication
EM 9322
Published May 2021
Publication cover
EM 9141
Published April 2016
Cover image of Selecting, Planting, and Caring for a New Tree publication
EC 1438
Published March 2016
Cover Image of  "Stop the Spread of Sudden Oak Death"
EC 1608
Revised October 2015
Publication cover page
EM 9115
Published July 2015
Image of Understanding Names of Oregon Trees publication
EC 1502
Revised April 2012
Image of Propagating Plants from Seed publication
PNW 170
Revised February 2009