Search OSU Extension

Showing 1 - 10 of 20 results.

Growing Tree Fruits Successfully

Soil, site, irrigation, selection, pruning/thinning, and integrated pest management.

Ross Penhallegon | Jul 2013 | Presentation

Apple Resources for Umatilla County

Umatilla County is the apple capital of Oregon and produces ~2200 acres of apples.

Jul 2018 | Collection

My Apple Trees need Help!

Q: I have 5 apple trees and last year the growth was stunted with only 3-4 inches/year and also infested with apple maggots. I don't like the fly traps as one time a small bird was caught, probably following the moth. Is ...

A: View answer | View all featured questions

Orchid Cactus - Epiphyllums

Learn about plant cuttings, water and light requirements, temperature, fertilizer, pests, and repotting.

Cal Peterson | Jan 2011 | Article

Take All

This root rot look-alike is endangering wheat, grass, and barley. Learn the signs, symptoms, and controls of this disease.

Mary Corp | Oct 2018 | Article

April garden calendar

Garden planning, maintenance and pest management tips for the month of April.

May 2018 | Article

How the Rogue Valley became famous for pears

The Rogue Valley growers were pioneers in pear production, growing over 24 varieties and setting quality standards in packing pears. The Rogue Valley was the first and largest red pear growing region in the Pacific Northwest in...

Jul 2007 | Article

February Garden Calendar

Information about garden planning, maintenance and clean up, pest monitoring and management, houseplants, and indoor gardening for the month of February.

May 2018 | Article

July Garden Calendar

Information about garden planning, maintenance and clean up, pest monitoring and management, houseplants, and indoor gardening for the month of July.

May 2018 | Article

Sawflies

Will Oregon meet these wasp-like pests again?

Mary Corp | May 2003 | Article