Often asked: What Is A High Tunnel Greenhouse?

What’s the difference between a high tunnel and a greenhouse?

The main differences between a greenhouse and a tunnel are that in a greenhouse, plants are usually grown in pots on a table while a tunnel has the plants growing right in the ground as they would in a garden. Greenhouses are typically designed to use heaters and powered ventilation systems or evaporative coolers.

What is the purpose of a high tunnel?

High tunnels protect plants from severe weather and allow farmers to extend their growing seasons – growing earlier into the spring, later into the fall, and sometimes, year-round.

How does a high tunnel work?

High tunnels often look similar to greenhouses, but are usually only single walled and are typically not temperature controlled. The plastic covering traps sunlight to raise temperatures inside the structure for the plants growing inside.

What is a high tunnel system?

High tunnels (seasonal tunnel systems for crops) are seasonal polyethylene covered structures used to cover plants to extend the growing season. High tunnels depend on the plastic covering to raise temperatures for the plants growing inside. Crops must be planted in the ground and not in containers.

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Can you use a high tunnel as a greenhouse?

Often, a high tunnel is used for “season extension” while a greenhouse can be used for four-season growing. Because there is no automated heating or ventilation in a high tunnel, they are used mainly in more temperate regions to increase temperature in early spring, fall, and sometimes winter.

Is a high tunnel worth it?

“Tunnels allow dozens of high-value crops to be harvested out of season. They provide risk management and crop protection from cold, excess rain and some insects, while increasing production from small growing areas.

What are three the advantages of the high tunnel system?

The structure provides greater control over essential inputs, like water, fertilizer and temperature. The protection from harsh weather can also reduce lost crops, allowing growers to get more crops to market. The protected environment in the high tunnel also leads to a reduced occurrence of insect and mite pests.

How much do high tunnels cost?

The purchase price of high tunnels can vary between $2.00 and $7.00 per square foot, while climate controlled greenhouse costs can vary between $7.00 and $30.00 per square foot. Several factors have an impact on the costs of setting up new high tunnel or greenhouse infrastructure.

Can you start seeds in a high tunnel?

High tunnels are also a wonderful place to start seeds and harden off seedlings before moving them outdoors. Be prepared to use a supplemental heat source if you choose to start seeds in your high tunnel.

Is a Polytunnel better than a greenhouse?

Polytunnels offer a much better control over its air circulation. Large doors at both ends provide sufficient airflow through the tunnel. Greenhouses provide ventilation through an opening on the roof, the door and side vents. Keep all doors and vents open during sunny days to achieve effective ventilation.

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Is Tunnel farming profitable?

Tunnel production may seem a relatively simple and profitable way to farm, but it involves high capital costs and has a narrow margin of error.

How do you put plastic on high tunnels?

Pulling Plastic Over Top your Greenhouse or High Tunnel

  1. Set the Roll of Plastic up on One End.
  2. Fold Ends and Tie a Knot Firmly Around Nub.
  3. Close-up Picture of Nub is Shown Below.
  4. Run the Rope Across The Top of Your Structure to the Other End.
  5. Person on Plastic End of Structure can Begin Taking Pressure Off the Plastic.

What are some other names for high tunnels?

A polytunnel (also known as a polyhouse, hoop greenhouse or hoophouse, grow tunnel or high tunnel) is a tunnel typically made from steel and covered in polyethylene, usually semi-circular, square or elongated in shape.

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