Lynn Long Wasco County Horticulture Cherries

Lynn Long
Professor and Extension Horticulturalist

Lynn Long is an Extension Horticulturalist for Oregon State University. His work is centerd in the Mid-Columbia region of Oregon, the main cherry production region of the state. He has served in that position for the last 28 years in The Dalles. Over that time, his worked has focused on sweet cherry variety, rootstock and training system evaluations. He has authored or co-authored numerous publications relating to cherry varieties, rootstocks, training systems, pruning, and orchard establishment. He has recently completed a sabbatical where he studied rootstock and training system research in France, Italy, and Germany. Along with Dr. Greg Lang and Clive Kaiser, Lynn is currently writing a grower-oriented book on cherry production that will be published by the Good Fruit Grower magazine.

Wasco County Updates

cherries book

New CABI book - Cherries: Botany, Production, and Uses

CABI's new Cherries: Botany, Production, and Uses book, complied by 72 international experts on cherry science and production, summarizes the current status and past 20 years of cherry production science, covering all of the dramatic changes since CABI's 1996 publication of the landmark Webster and Looney book, Cherries: Crop Physiology, Production, and Uses. The book is divided into four sections: Genetics, Ecophysiology and Production, Protection, and Utilization, making it a key resource for all persons associated with cherry production, packing, marketing, and research issues from fundamental laboratory advancces to practical orchard strategies and technologies.

See the flyer for details


pnw dark sweet cherry color development video

Video: How to Postharvest: PNW Dark Sweet Cherry Development Chart Index

Tutorial video on how to use the new PNW Dark Sweet Cherry Development Index Chart developed by Oregon State University.

Download the Excel spreadsheet here

cemetary block map

Ripe Varieties, June 26

The following varieties are ripe at the OSU Cemetery Block variety trial this week. The trial is located near the flag pole at the cemetery on 3 Mile Row. All trees are marked. You are welcome to stop by the block and examine the fruit off of the trees. Please call Omeg Orchards main office and let them know that you will be stopping by. 

Varieties ripe the week of June 26:
Benton (soon), Big Star (soon), Black Pearl, Blaze Star, Burgundy Pearl (soon), Early Robin, Kiona, Royal Hazel, Santina, Suite Note, Tieton

SWD counts spreadsheet

2017 Spotted Wing Drosophila Counts

Updated 7/10/2017

Ca foliar recommendation


Growing Season Foliar Ca Applications for Improved Cherry Quality

Work conducted by Dr. Yan Wang


Work conducted by Dr. Yan Wang found that these treatments reduced sunburn on Skeena, lessened rain cracking, improved shipping quality in terms of reduced pitting, decay, pedicel browning, skin darkening, and losses of fruit firmness, and titratable acidity after 3 weeks of cold storage.

International Market Report 2017

Updated July 17, 2017

Reports from NWCG Representatives around the World

 Featured Publications

cherry training systems bacterial canker of sweet cherry in oregon sweet cherry rootstocks
four simple steps to pruning cherry trees on gisela and other productive rootstocks sweet cherry orchard establishment in the pacific northwest sweet cherry cultivars for the fresh market
cold, frost and dead buds    


Cherry Topics for the Pacific Northwest

bud hardiness
orchard economics
pest and disease management
post harvest
rain cracking
training systems

Learn online with our video series!

A collaboration between Lynn Long, OSU and Greg Lang, MSU, this 2-part series contains 8 instructive videos on pruning for dwarfing rootstocks, and 6 videos on how to develop the training systems KGB, UFO, SSA and TSA.

See all the videos, and watch in order HERE.

Other Resources for Cherry Growers

Upcoming Events


July 11 The Dalles Tamara cherry viewing - Contact Dave Weil for more information
July 18 The Dalles Cherry Tasting at the Wasco County Extension office; 3-5pm
July 25 The Dalles
(CGCC Lecture Hall)
Grower Meeting: Discussion of refilling Hood River/Wasco Hort Positions
Contact Brian Tuck with questions: Brian.Tuck@oregonstate.edu