High Tunnels are temporary structures that provide some crop protection and environmental modification at a relatively low cost. Unlike greenhouses, high tunnels are ventilated by raising the sidewalls.
Types of high tunnels include:
Hoophouse or Quonset Style High Tunnel:
- Rounded roof profile
- Can collect snow so space arches close enough to bear the weight of snow.
- Sidewalls can be rounded or straight. Straight sidewalls provide space for taller crops.
Gothic Style High Tunnel:
- Peaked roof, sheds snow more easily. Straight side walls.
- Higher profile for taller crops and more stable temperatures in warmer months
- Must have braces and purlins to withstand wind.
Multi-Bay High Tunnels:
- Several hoophouse arches connected together with gutters. Can cover large areas.
- Large enough to accommodate tractors and tall crops like fruit trees.
- Not intended to withstand snow-load and high winds.
Videos:
- Types of High Tunnels – Penn State Extension
- Parts of a High Tunnel – Penn State Extension
- Multi-bay high tunnels: Protecting fruit crops – Michigan State University
- Constructing Multi-Bay Tunnels for Organic Fruit Production – Michigan State University
- High Tunnel Construction – Rutgers Cooperative Extension
- Grower Observations and Adoption of Tunnel Technology – TunnelBerries video
Manufacturers & Distributors:
More information
- Cornell High Tunnels – Information from Cornell University on tunnel types, how to choose the right high tunnel site selection, and more.
- Three Season High Tunnel Fruit Production Gains Steam – Fruit Grower News article: High tunnels offer a means of manipulating the environment around crop plants, resulting in many changes in plant growth and prevalence of insects and plant pathogens.