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OSU Plant Clinic

The Oregon State University Plant Clinic is a diagnostic facility associated with and housed in the Department of Botany and Plant Pathology. The Plant Clinic has been operational since 1954. As part of the OSU Cooperative Extension Service, the primary mission of the Plant Clinic is educational. Extended education is provided by helping our clients recognize the nature of their plant problem (diagnosis) and by helping them to manage the disease or disorder using proper control methods, including cultural, biological, and chemical measures. Emphasis is on prevention of problems by proper management.

Melodie Putnam | Mar 2018 | Online resource

34 Dr. Gail Langellotto – What do Bees Need from Your Garden?

Dr. Gail Langellotto is an Associate Professor of Horticulture at Oregon State University, and coordinator of OSU Extension Master Gardener program. As the secretary of the National Initiative for Consumer Horticulture, Gail works ...

Andony Melathopoulos | Jan 2018 | Podcast episode

8 tips to gear up the garden for cold weather

The freezes are coming so it's best to be prepared

Kym Pokorny | Dec 8, 2017 | News story

Shakespeare uses the power of plants to tell his tales

Roses get top billing in the Bard's plays, but many others get roles, too

Kym Pokorny | Nov 3, 2017 | News story

Can I leave my garden hoses outside this winter?

Q: If I unhook my garden hoses from the faucet, can I leave them outside? I always turn off the outside water for the winter. But will it damage a hose to leave it outside ?

A: View answer | View all featured questions

Oregon 4-H Horticultural Advancement Guide

The Horticultural Advancement Program guide consists of a series of steps that allows 4-H members to set personal goals and learn at their own speed.

Virginia Bourdeau | Oct 2017 | Extension Catalog publication Peer reviewed (Orange level)

Evergreen Hebes perform colorfully in the garden

Plants with small leaves tend to be more cold hardy

Kym Pokorny | Jul 21, 2017 | News story

Green lacewing identification?

Q: I found this on a plant in my backyard. What is it? It was really small; I almost needed a zoom lens to even see it.

A: View answer | View all featured questions

Reducing Lead Hazard in Gardens and Play Areas

This publication is designed to help homeowners evaluate and manage lead hazard in their landscape or garden. It explains how soils get contaminated with lead, how to test soil for lead contamination and how to reduce exposure to soil lead.

Linda Brewer, Dan M. Sullivan, Pukhraj Deol, Sam Angima | Oct 2016 | Extension Catalog publication Peer reviewed (Orange level)

Red worms eat their way through kitchen waste to produce rich soil amendment

Keeping a worm farm is an easy project

Kym Pokorny | Aug 12, 2016 | News story