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Nursery and greenhouse

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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

El tizón de boxwood al descubierto: De la infección a la detección

El tizón de boxwood es una enfermedad fúngica destructiva que afecta al boxwood en viveros comerciales. Se propaga rápidamente en condiciones húmedas y templadas, y causa manchas en las hojas, lesiones en los tallos y una rápida caída de las hojas.

Luisa Santamaria | Dec 2025 | OSU Extension Catalog

Disease Prevention and Diagnosis For Nursery Crops online course (in English)

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?

P: 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, ...

R: View answer | View all featured questions

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Latest news

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

Unconfirmed spotted lanternfly sighting prompts reminder for vigilance

Until a physical specimen is collected and confirmed, spotted lanternfly is not considered present in Oregon.

Kym Pokorny, Chris Branam | May 22, 2025 | 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.

Learn more

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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

OSU Horticulture Resources on Nursery, Greenhouses, and Christmas Trees (in English)

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

Apr 2024 | Online resource

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Meet Our Experts

A middle-aged man smiles warmly, wearing a dark shirt. He has a short, neatly trimmed brown beard with touches of gray at the center, a short haircut, and a receding hairline. Behind him is a serene forest of tall pine trees.
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.

See All Nursery and greenhouse Experts
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Is there a Spanish resource with technical plant terms?

P: 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, ...

R: View answer | View all featured questions

See More Questions