Greenhouse (High Tunnel) Season Extension Course

Greenhouse Season Extension with Adam Montri
Presented by the Ecological Farmers of Ontario
February 21st (Monday) – Kingston – 10 am to 3 pm
February 22nd (Tuesday)- Guelph – 10 am to 3 pm

The day will include:

  • Options, Options, Options: Hoophouse options including size, automation, and other pre-building decisions for warm and cool season crops
  • Before You Build: Site prep, orientation, and additional construction options
  • Cropping: Crop selection, timing, and scheduling for warm and cool season crops
  • How to Make it Pay: Yields, harvesting and marketing – including the economics
  • To Add or Not to Add: Thoughts of when to add more high tunnels

Adam Montri is an outreach specialist with the Student Organic Farm in the Michigan State University Department of Horticulture. He works with farmers in rural and urban areas throughout North America using hoophouses/hightunnels for year-round farming. He and his wife, Dru, and daughter, Lydia, own and operate Ten Hens Farm, a year-round farm, in Bath, MI.

Cost $40 for EFO members/$50 for non members. Lunch included. Please register for either session with the EFO office, 519 822 -8606, 1 877-822-8606 or

EFO Courses and Events


New OMAFRA Factsheets

These new factsheets are now available from Service Ontario:

  • 10-089: Engineering Requirements for Farm Structures, Agdex 714 (replaces Factsheet 04-013, which should be recycled)
  • 10-091: Operating and Maintaining a Tile Drainage System, Agdex 752/555; New.

For a complete listing of OMAFRA products, see our online catalogue.

Order OMAFRA publications online from Service Ontario.  You can also order by phone through the Service Ontario Contact Centre, 416-326-5300 or 1-800-668-9938 (toll-free).

New Information on Pesticide Drift and Reducing Buffer Zones

by Dr. Jason S.T. Deveau, Application Technology Specialist, OMAFRA, Simcoe

Many years ago (in a galaxy far, far away) the Pest Management Regulatory Agency had an idea to develop a webpage that would provide the reader with clear and concise information on pesticide drift. Specialists were called in, third-party consultants were engaged and the information was hammered into a very nice explanation of what drift is and how applicators can minimize it.

Then someone had the idea to mix buffer zones into the explanation and everything ground to a halt.

Here’s why. Continue reading New Information on Pesticide Drift and Reducing Buffer Zones

Information for commercial vegetable production in Ontario