Greenhouse Orientation: Key Considerations

When planning your greenhouse project, one of the first decisions you’ll face is greenhouse orientation: north-south or east-west. At Harnois Greenhouses, one of the leading commercial greenhouse manufacturers in Canada, our experts recommend evaluating this choice carefully. Greenhouse orientation directly impacts light penetration, ventilation efficiency, and long-term crop productivity. North-South Greenhouse Orientation A north-south orientation […]

The Future of Growing Strawberries in a Greenhouse: Elevated Benches

Growing strawberries in a greenhouse is one of the most profitable moves a berry producer can make today. With rising consumer demand for local, fresh fruit and increasing climate unpredictability, more growers are turning to controlled-environment agriculture to protect their yields — and their bottom line. At Harnois Greenhouses, we’ve worked with strawberry producers across […]

Implementing Fertigation Systems: A Complete Guide for Growers

Fertigation has become a game-changer in modern agriculture, especially in commercial greenhouses, allowing growers to deliver nutrients directly to plants through irrigation systems. This method not only optimizes nutrient uptake but also conserves water and reduces labor costs. In this article, we will explore the fundamentals of fertigation, the process of implementing fertigation systems, and […]

Polyethylene vs Glass Greenhouse: 7 Key Differences to Know

When choosing between a polyethylene vs glass greenhouse, commercial growers must carefully weigh factors like upfront cost, insulation performance, light transmission, and long-term durability. This guide covers everything you need to know about the polyethylene vs glass greenhouse debate so you can make the righ Commercial polyethylene greenhouses offer outstanding affordability and flexibility, making them […]

How much does a commercial greenhouse cost?

Commercial greenhouse cost per square foot varies widely based on scale and sophistication: small commercial greenhouses (under 10,000 ft²) typically cost $6–$10 / ft²; mid-size units (~10,000‑50,000 ft²) range from $15–$20 / ft²; large-scale operations (over 50,000 ft²) may cost $20–$50 / ft² or more depending on advanced system Final costs influenced by materials and added systems: structure type (e.g. field scale polytunnels, freestanding, gutter-connected), coverings (poly […]

Greenhouse Trends 2025: The Essential Guide for CEA Growers

Greenhouse managers and growers continue to navigate challenges such as climate variations, rising energy costs, and increasing consumer demand for local fresh produce — especially berries — all year round. Consumers also want more transparency about where their food comes from and how it’s grown. The key greenhouse trends for 2025 focus on reducing operating […]

Year-Round Strawberry Production in a High-Tech Greenhouse

Can You Grow Strawberries Year-Round in a High-Tech Greenhouse? Yes! A year-round strawberry greenhouse offers an optimized, climate-controlled environment ideal for continuous production. Unlike open-field or high tunnel systems, high-tech greenhouses precisely regulate temperature, humidity, CO₂ levels, and lighting, ensuring consistent yields and premium fruit quality 365 days a year. Producers like Ferme Gadbois in […]

High Tunnel vs. Freestanding Greenhouse: 5 Proven Differences

When comparing a high tunnel vs freestanding greenhouse, growers face a critical decision that impacts cost, production capacity, and long-term ROI. At Harnois Greenhouses, we break down the key differences so you can find the right fit for your operation. Choosing between a high tunnel and a freestanding greenhouse can be tricky, especially when each […]

Mastering Greenhouse Production: The Masterclass with Jean-Martin Fortier | Harnois Greenhouses

  In this week’s episode, JM Fortier takes us on a greenhouse tour of his summer crops. Jean-Martin Fortier will walk you through the setup of his greenhouse, a Harnois Ovaltech FreeStanding Greenhouse, revealing the ways he provides a shield of protection for his veggies. Whether it’s heavy downpours or heatwaves, his greenhouse acts as […]

What Is a Gutter Connected Greenhouse?

A gutter connected greenhouse is one of the most efficient structures available for commercial growers. Its modular bay design, lower operating costs, and unlimited expansion potential make it the go-to solution for anyone scaling up production — from a single-site operation to a multi-hectare growing facility. Here’s everything you need to know about gutter connected […]