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, […]
Commercial High Tunnel Strawberry Production
Quick summary Commercial high-tunnel strawberry production using growing gutters offers growers a more predictable, higher-quality crop than open-field cultivation. These structures extend the season, improve fruit quality, reduce disease risk, and can yield $100K+ per acre annually once optimized. The upfront investment is larger, but payback can arrive in as little as 1-4 years depending […]
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 […]
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 […]
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 […]
What Is a High Tunnel Greenhouse? Benefits, ROI & Uses
A high tunnel greenhouse extends the growing season by weeks or even months, allowing earlier and later harvests. With improved yields and lower inputs, it offers a return on investment in as little as three years. Harnois’ TunnelPro Plus is designed for durability, ventilation, and full equipment access. High-tunnel greenhouses, also called hoop houses, are […]