High technology greenhouses: Improving tree nurseries efficiency
Summary By incorporating advanced technologies and sustainable practices, a high-tech greenhouse systems for tree nurseries can improve the efficiency and productivity of a nursery, as well as reduce costs and time required to produce high-quality reforestation tree seedlings. In this article, we will explore the various technologies and practices that can be incorporated into a […]
How to Winterize a High Tunnel Greenhouse (Step-by-Step Guide)
Summary To winterize a high tunnel greenhouse like the Tunnel Pro Plus, choose a dry, wind-free day and work with a team of 4–8 people. Loosen but do not remove the straps, detach the poly at the end arches, and set up lifting straps (about one per 50 ft). Attach the poly to a tube, […]
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, […]
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 […]
The Ultimate Guide to Buying A Venlo Greenhouse
Commercial Venlo Greenhouses are a game-changer in the world of agriculture. They offer a controlled environment for crop growth, ensuring year-round production. We’ll delve into the factors affecting the cost, how to assess quality, and the importance of size and scalability. We’ll also explore the role of technology and the impact of local zoning laws. […]
Proven Commercial Cannabis Greenhouse Solutions
For growers interested in entering or transitioning to cannabis production, one of the first decisions to make is where it will be grown. Options include outdoor, indoor facilities, and a mix of the two greenhouses. Commercial cannabis greenhouses are growing in popularity among cultivators. Many growers are switching to greenhouses since they are usually a […]
Facing Climate Change for market garderners
Climate change is no longer a distant concern; it’s a daily reality for market gardeners. Rising temperatures, extreme weather events, and unpredictable growing seasons threaten not only crops but also the long-term viability of farms. To remain competitive and resilient, growers must reassess their approach to protecting their production Weather-Related Risks Are Increasing The frequency […]
How to Prepare Your Greenhouse for Winter
Winter is one of the most demanding seasons for commercial growers. Cold temperatures, reduced daylight, and high humidity create a challenging growing environment, but with the right preparation, your greenhouse can remain productive throughout the season. Whether you operate a freestanding Ovaltech greenhouse or a gutter-connected Luminosa structure, the principles of winter readiness remain the […]
Engineered Commercial Greenhouse: 5 Reasons to Choose Certified Structures
An engineered commercial greenhouse structure guarantees the quality, durability, and safety of your investment. Harnois’ certified engineers design every engineered commercial greenhouse to respect laws and regulations, resulting in an end product that meets the highest North American standards. Our in-house engineering team can modify building plans to adapt to your crops and commercial needs […]
Felix Chassouant: 5 CEA Greenhouse Insights for Commercial Growers
At the 2024 Indoor Ag-Con in Las Vegas, one conversation stood out above the rest. Dr. Leila Sabeh — better known in the CEA greenhouse community as Dr. Greenhouse — sat down with Felix Chassouant, Sales Director at Harnois Greenhouses, for a candid discussion about where CEA greenhouse growing is headed. Over 1,500 industry professionals […]