Welcome To ONGreenhouseVegetables.ca

Welcome to the blog for controlled environment agriculture in Ontario including greenhouse fruits and vegetables and vertical farms. Here you will find timely updates and technical information about production and integrated pest management (IPM) from the Ontario Ministry of Agriculture, Food and Agribusiness (OMAFA) greenhouse specialists. Dr. Fadi Al-Daoud is the greenhouse vegetable specialist who deals with issues and topics related to production, and Cara McCreary is the greenhouse vegetable IPM specialist who deals with all things related to integrated pest management.

Latest from the Blog

July, 2026 DLI Report

Table of Contents Summary DLI data were available for the second to the third week of July for Leamington-Kingsville. The average DLI for the month of ­­­­­July for Leamington-Kingsville was 57 moles/m2/day. The maximum DLI was 74 recorded on July 12th, and the minimum DLI was 41 recorded on July 17th.  DLI data were available for…

June, 2026 DLI Report

Summary DLI data were available for two and half weeks in June for Leamington-Kingsville. The average DLI for the month of June 2026 for Leamington-Kingsville was 61 moles/m2/day. The maximum DLI was 73.1 recorded on June 7th, and the minimum DLI was 38.9 recorded on June 21st. DLI data were available for two weeks in…

Creature Feature: Nesi — The Green Bug That’s Not Always Good News

Authors: Julia Dubeau (Research Assistant, OMAFA), Rose Labbé, PhD (Research Scientist, Greenhouse Entomology, AAFC), and Cara McCreary (Greenhouse Vegetable IPM Specialist, OMAFA) Meet the Creature For this Creature Feature, we’re meeting Nesidiocoris tenuis, commonly known as Nesi, green bug, or tomato bug. Nesi is a small green mirid bug that has become a concern for…

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