• Designed for hoops that cover up to 4 x 750mm beds with 450mm paths
• Perfect for tunnels up to 40 metre length
• Part of a bio-intensive market gardening system
• Designed for commercial or hobbyist use

Season extension tunnels aka Caterpillar Tunnels are an important part of maintaining a healthy bio-intensive and regenerative soil

Season extension tunnels allow the you to easily move and erect the tunnel for shoulder seasons before crop rotation the following year. Caterpillar tunnels can be easily made higher for mid season tall crops such as indeterminate tomatoes and cucumbers