Educational Webinars
2025 CEA Webinar
Avoiding PGR Pitfalls and Powering Plant Performance
Curious whether your PGR practices are holding you back — or worse, harming your crop? In this webinar, Brian Whipker will walk growers through up-to-date PGR methods, overdose diagnosis and optimized strategies for greenhouse production. Don’t miss it!
Growers: Want to fine-tune your plant growth regulator approach? This session with Brian Whipker delves into application methods, overdose symptoms, troubleshooting and improved PGR routines. Perfect for both beginners and experienced growers.
Updates and best practices for PGR use in greenhouses. From overdose symptoms to smarter scheduling and methods, Brian Whipker brings the science to your bench. Save your spot today!
Struggling with inconsistent plant height or quality? Learn how to avoid (and diagnose) PGR misapplications with insights from Brian Whipker. A must-attend webinar for greenhouse growers seeking precision and consistency.
In this in-depth webinar, Brian Whipker (NC State University), a leading Extension specialist in commercial floriculture, will present the latest science and practical guidance for greenhouse producers seeking to refine their PGR programs.
Key topics to be covered:
*New PGR options: What’s new in the world of growth regulators? We’ll review active ingredients, modes of action, and adoption of novel products and techniques.
*Application methods and timing: Best practices for sprays, drenches, and other modes—how to choose the right method for your crop and greenhouse environment.
*Recognizing and diagnosing PGR overdose: What do overdose symptoms look like (e.g. stunting, leaf deformation, tissue necrosis)? We’ll walk through real examples and diagnostic steps to determine whether PGR overdose is the culprit.
Troubleshooting & recovery strategies: Once overdose (or misapplication) is suspected, how do you respond? We’ll discuss mitigation options, crop salvage and practices to prevent recurrence.
*Refining PGR strategies for consistent results: Combining diagnostics, environmental control, nutrient management, and growth regulator scheduling to build resilient, predictable crop performance.
Whether you’re new to PGRs or seeking to sharpen your program, this webinar will help you navigate complex decisions, avoid expensive mistakes and push your crops toward peak potential.
Be the first to hear when the session is ready to be viewed.
GPN’s Labor Roundtable
GPN’s Labor Roundtable is a conversation focused on one of the most pressing issues in controlled environment horticulture: labor.
In this special program, industry leaders come together to explore trends, challenges and innovative strategies to build a stronger, more sustainable workforce.
New Varieties Month 2025
GPN and L&GR New Varieties Month features on-demand webcasts by companies presenting 2026 introductions. Look for new sessions on Tuesdays and Thursdays in June.
This year we hear from Star® Roses and Plants.
Sponsored by:
2025 Plant Health Management Series
The Plant Health Management Series will feature an on-demand session every quarter focusing on key topics such as discussions of American Floral Endowment’s 5-year research project on botrytis control and management, a deep dive into predator-prey interactions that occur when using biocontrols in the greenhouse and more. These sessions are designed to provide growers with the latest insights, production tips and guidelines for successful cultivation.
Coming up in 2025: Trends, insights and opportunities for business
Presenting the 7th annual Big Grower Educational Series! Join experts and industry leaders as they discuss the latest challenges facing our industry and guide greenhouse growers toward solutions for continued success. AmericanHort’s vice president of advocacy and government affairs, Matt Mika, weighs in following the 2024 presidential election. Diane Blazek also keeps us current with All-America Selections, National Garden Bureau and the new CAST management roll out for 2025. Plus, Alicia Rihn from the University of Tennessee’s Department of Agricultural and Resource Economics will give her insights into consumer behaviors and expectations for 2025.
Getting the Most out of PGRs and New PGR Combos with Great Promise
Roberto Lopez, Ph.D., is an associate professor and controlled environment/floriculture Extension specialist with a 45% research, 30% teaching and 25% Extension appointment in the Department of Horticulture at Michigan State University. In this session, Roberto will share the latest MSU research results on the effectiveness of foliar rooting hormone applications on difficult-to-root species, including tips for consistent ethephon spray results. He will also show you the benefits of micro drenches for those that struggle keeping annuals and perennials in check with PGR sprays but are afraid of utilizing a drench due to the residual effects for consumers.
Sponsored by:
Plant Health Management Series
The Plant Health Management Series will feature an on-demand session every quarter focusing on key topics such as pest control, disease management, plant growth regulators, thrips and more. These sessions are designed to provide growers with the latest insights, production tips and guidelines for successful cultivation.
New Varieties Month
GPN’s New Varieties Month features on-demand webcasts by companies presenting 2025 introductions. Look for new sessions on Tuesdays and Thursdays in June.
This year we hear from Syngenta Flowers and Star® Roses and Plants.
Sponsored by:
2024 Vision: Insights Into Trends and Opportunities for Big Growers
Hear exclusive insights from industry leaders as they examine the issues facing our industry and help growers make sense of these challenging topics and how they could influence the industry in 2024.
Lowering the Greenhouse Temperature at Night: Risks and Rewards
Day and night temperature control crop production time as well as various quality attributes. It can be tempting to lower the greenhouse temperature at night to decrease heating costs, but there are some trade-offs that need to be considered. This presentation will discuss how lowering the night temperature influences flowering time and crop quality, as well as how it interacts with other environmental variables including light and humidity.
Sponsored by:
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