Whether you grow from earliest spring to late fall or run your production year-round, our season-extension supplies provide the versatility and durability you need to protect your crops from the elements. We offer greenhouse film; benders and jigs for high tunnels and low tunnels; and supports, anchors, and hardware to keep it all together. Use our calculators and construction manuals to plan ahead, estimate costs, and determine the right season-extension configuration, components, and quantities.
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High Tunnel Vent w/ Auto Opener – 12" x 12"
Provides additional greenhouse ventilation in hot conditions.
High Tunnel Vent w/ Auto Opener – 24" x 24"
Provides additional greenhouse ventilation in hot conditions.
High Tunnel Vent w/ Auto Opener – 18" x 18"
Provides additional greenhouse ventilation in hot conditions.
High Tunnel Vent w/ Auto Opener – 30" x 30"
Provides additional greenhouse ventilation in hot conditions.
Automatic Ventilation Kit
Bobcat High Tunnel Kit Accessory
Thermostatically controlled venting system.
Steel End Wall Kit
Bobcat High Tunnel Kit Accessory
Permanent solution for end walls — no need to replace wood!
Gothic Tunnel Peak Jig
Quick Hoops™ Accessory
Bend gothic arch-shaped bows to shed snow more efficiently.