- About Extension
- Get Involved
- Statewide Locations
OSU guide shows how to use pesticides safely at home
An updated guide from the Oregon State University Extension Service shows gardeners and others how to use, store and dispose of pesticides safely.
How to find the nutrient values of organic fertilizers
A report has information on the top sources of organic fertilizers, their NPK content, release speed and effectiveness.
Summer is time to troubleshoot ornamental junipers
OSU Extension plant pathologists advise how to treat two fungal diseases that affect junipers.
Soil texture determines how much and how often to water
It's a myth that lawns and gardens in sandy soil need more water than other soils
How to prepare for the county fair
Spring is the time to begin planning to enter your best produce in the county fair.
Summer is a good time to renovate spring bulb beds
Crowded plants compete for nutrients and water, resulting in fewer and smaller blooms
How to prevent rose diseases
Simple adjustments in care can improve the health of roses
Coax tomatoes and peppers to maturity
Use plastic sheeting to warm the soil.
PNW Extension guides help manage plant diseases, weeds and insects
Pacific Northwest farmers and growers as well as consultants and home gardeners find the handbooks helpful.
Oregon tree names keep people guessing
The newly revised Oregon State University publication, "Understanding Names of Oregon Trees," (EC 1502), is available online.