2026 Winter Greenhouse Growers School
Location: Cornell Cooperative Extension of Albany County- 24 Martin Road, Voorheesville, NY 12186
**This event is in-person but the speakers in the morning session will present virtually.**
The cost to attend this event is $60 per person. $10 discount for members of New York State Flower Industries. A discount of 50% will be given to additional attendees from the same greenhouse/farm.
Lunch is included. Pre-registration is required. Walk-ins will NOT be allowed. Please register by January 16th, 2026.
Agenda
8:00 AM Registration and sign in for NYS DEC credits
8:35 AM Building Better Pest Programs – Targeted Timing and Life Cycles*
Speaker: Dr. Karen Stever, Technical Specialist, Griffin Greenhouse Supplies
9:35 AM Common, Uncommon & Complex*
Speaker: Dr. George Grant, Technical Specialist, Griffin Greenhouse Supplies
10:35 AM Break
10:50 AM Update from NYS Flower Industries
Speaker: Sue Adams, NYSFI President; Mark Adams Greenhouses
11:05 AM Update from Ag & Markets Update
Speaker: Michael Dorgan, Assistant Director, Division of Plant Industry, NYS Agriculture and Markets
11:35 AM Avoid Diseases to Have Fabulous Foliage and Flowers*
Speaker: Dr. Margery Daughtrey, Plant Pathologist, Section of Plant Pathology and Plant-Microbe Biology, Cornell University
12:35 PM LUNCH
1:15 PM Price Your Products to Sell
Speaker: Mark Adams, Owner of Adams Greenhouses
2:15 PM Pesticide Labels – A Closer Look*
Speaker: Michael Helms, Pesticide Safety Education Program Leader, NYS Integrated Pest Management, Cornell University
3:15 PM Designing a Greenhouse Fertilizer Program Based on Your Water Quality and Crop Needs
Speaker: Dr. Neil Mattson, Professor, Horticulture Section, School of Integrative Plant Science, Cornell University
4:15 PM Update from DEC*
Speaker: Sarah Whelen, Pesticide Control Specialist 2, Division of Materials Management, New York State Department of Environmental Conservation
*NYSDEC pesticide application recertification credits will be provided.
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For program questions, contact: Jingjing Yin, jy578@cornell.edu or 518-429-8608.
Registration for event has CLOSED.