Ontario Greenhouse Growers: 4 Critical Policy Pressures
Greenhouse Success Stories Podcast with OGVG — Episode 3 Ontario’s greenhouse sector — the backbone of Canada’s largest high-tech vegetable industry — is facing unrelenting policy and regulatory pressure. As Richard Lee, Executive Director of OGVG, emphasizes, these pressures are creating a rising barrier for producers, threatening competitiveness, growth and investment.  The Stakes for […]
Mentoring as a Solution to Greenhouse Labor Challenges
Greenhouse Success Stories Podcast sponsored by Harnois Greenhoues – Episode 2 Across North America, growers continue to face a persistent and costly challenge: greenhouse labor shortages that affect productivity, crop quality, and long-term operational stability. Whether you operate a commercial greenhouse, a research nursery, or a specialized production facility, finding and retaining trained workers has […]
Harnois Greenhouse Robot Prototype Receives Quebec Innovation Grant
Quebec Supports Innovation in Agriculture Manseau, November 4, 2025 — Harnois Greenhouses/Industries Harnois is proud to announce the development of an automated greenhouse robot in partnership with Alliance Solutions & Maintenance, supported by a grant of $185,169 CAD from the Government of Quebec, under the Innovation Program – Stream 1: Support for Innovation Projects, administered […]
Building A Commercial Greenhouse In Alberta: Gabriel Forero on Leadership, Learning, and Growing Through Change
Gabriel Forero has spent nearly a decade navigating the realities of commercial greenhouse production in Alberta. Before that, he managed open-field crops in Colombia — potatoes, lettuce, carrots — in an entirely different growing context. His transition into Canada’s high-tech greenhouse sector, including a formative stint in the cannabis industry, gave him a perspective that […]
Turnkey Greenhouse Solutions for Commercial Growers
Harnois Greenhouses has been designing, engineering, and manufacturing complete turnkey greenhouse solutions for commercial growers across North America for over 60 years. From structural design and permitting to installation, automation, and after-sales support, Harnois manages every phase of your project, so you can focus on what matters most: growing. Whether you are planning a small-scale […]
Build a commercial greenhouse
How to build a commercial greenhouse: From choosing the right structure (high tunnel, ground-to-ground, gutter-connected, or glass) to design, permitting, purchasing, installation, and warranty. Helps growers make informed decisions by outlining key considerations like site selection, foundation types, manufacturer selection, and construction options (self-build, supervised, or turnkey). Highlights Harnois Greenhouse’s full-service support, offering engineered structures, […]
Why choose Harnois as your commercial greenhouse manufacturer?
Choosing a greenhouse manufacturer with installation and service is more than just selecting a structure. It is a strategic decision that directly impacts your crop performance, operational efficiency, and long-term return on investment. A greenhouse is not just a building it is a complete production system that must be designed, built, and maintained with precision. […]
Trusted greenhouse manufacturer in Canada
ABBOTSFORD, BC, July 18, 2025 – As part of a strategic move to extend its growing season and increase crop diversity, Van Belle Nursery has partnered with leading greenhouse manufacturer in Canada, Harnois Greenhouses, to implement a series of controlled-environment structures. In this first phase, 12 Ovaltech III freestanding greenhouses (30′ x 270′) were installed […]
2025: New Generation Greenhouse Films Now Available at Harnois
New Greenhouse Covering for 2025 At Harnois Greenhouses, we are proud to introduce the latest high-performance polyethylene greenhouse films from our trusted partner, Plastika Kritis. Their 2025 lineup redefines climate management and light optimization—empowering growers to boost productivity, enhance crop quality, and reduce operational inputs. These new greenhouse films are now available through Harnois and […]
Vermax Glass Greenhouse: 5.2-Hectare Breakthrough Project by Harnois & VegPro
A Bold Step Toward Sustainable Food Autonomy On April 30, 2025, VegPro International officially inaugurated its new 5.2-hectare Vermax glass greenhouse in Sherrington, Quebec—an ambitious, forward-looking project built in close collaboration with Harnois Greenhouses, a leading Canadian manufacturer of turnkey greenhouse solutions. This $135 million investment reflects a shared commitment to local food production, technological […]