Nursery and greenhouse

OSU Extension supports nursery and greenhouse producers with science-based information on plant production, pest and disease management and environmental controls. We offer research, tools and training to help growers improve efficiency, plant health and sustainability in controlled environments.

Latest resources

Disease Prevention and Diagnosis For Nursery Crops online course

There are many important pathogens that can cause plant disease in nurseries. Take this self-paced certification course offered in English and Spanish to learn how to prevent the introduction and spread of these microorganisms by implementing best management practices. For nursery managers and frontline workers with years of experience in the nursery industry, this course can help demonstrate your knowledge and educational credentials.

Nov 2025 | Online resource

Is there a Spanish resource with technical plant terms?

Q: Do you know of a good Spanish resource with technical plant terms, maybe a college or university text we can create a dictionary from? I work at a greenhouse and am trying to open bilingual communications. At the moment, ...

A: View answer | View all featured questions

Boxwood blight uncovered: From infection to detection

Boxwood blight is a destructive fungal disease affecting boxwood in commercial nurseries that spreads quickly under humid, moderate conditions, causing leaf spots, stem lesions and rapid defoliation.

Luisa Santamaria | Dec 2025 | OSU Extension Catalog

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Latest news

Wider spacing helps Oregon nurseries slow boxwood blight

Simple spacing and watering changes can protect nursery crops.

May 2026 | Impact story

Olea project supports development of Oregon’s olive industry

Research helps growers choose hardy cultivars and reduce orchard risk.

Heather Stoven, Neil Bell | Mar 2026 | Impact story

From shade trees to ‘smarter’ containers, OSU targets nursery heat

Heat-proofing nursery crops with specialty pots and irrigation tools.

Chris Branam | Feb 24, 2026 | News story

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Hydro hints

Learn all about hydroponics and the basics for growing plants without soil. This series delves into different hydroponic techniques you can fit into your production: deep-water culture, buckets, nutrient film technique, and ebb and flow.

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Credit: stock.adobe.com (Cropped from original)

Featured resources

Integrated pest management strategic plan for Oregon nurseries

Ornamental nurseries face many pest management challenges. Industry representatives prioritize those challenges in this report.

Chris Hedstrom, Isaac Sandlin | Dec 2025 | OSU Extension Catalog Peer reviewed (Orange level)

OSU Horticulture Resources on Nursery, Greenhouses, and Christmas Trees

Current research, news and information about nursery, greenhouse and Christmas trees.

Apr 2024 | Online resource

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Business management

Organic agriculture

Soil

Vegetables and specialty seeds

Christmas trees

Integrated pest management

Meet Our Experts

Lloyd Nackley

Nursery Researcher

Contact about commercial greenhouse management and nursery production

Luisa Santamaria

Nursery Pathology Specialist, Bilingual Educator

Jay W. Pscheidt

Professor and Statewide Extension Plant Pathology Specialist

Marcelo Moretti

Associate Professor

Contact me with questions about weed management in commercial agriculture.

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Is there a Spanish resource with technical plant terms?

A: View answer | View all featured questions

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