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Package of Johnny's Selected Seeds
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Season Extension Supplies

Whether you are growing from earliest spring to late fall or in year-round production, our line of versatile season-extension supplies can provide the components you need to protect your crops from the elements. We offer row covers in a range of lengths and densities; benders and jigs for high tunnels and low tunnels of assorted design; and supports, anchors, accessories, and hardware to put and keep it all together.

We also provide a set of calculators and construction manuals to help you plan ahead, estimate costs, and determine the right season-extension configuration, materials, and quantities.

Johnnys is committed to your success and is with you every step of the way.

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Quantity:
 
 
Agribon+ AG-30 Row Cover - 83" x 250'

Product ID: 9561

Tools and Supplies > Season Extension Supplies

Overwintering protection in moderate climates.

More Details and Sizes

Agribon+ AG-30 Row Cover - 83" x 250'

Quantity:
 
 
Agribon+ AG-30 Row Cover - 83" x 800'

Product ID: 9562

Tools and Supplies > Season Extension Supplies

Overwintering protection in moderate climates.

More Details and Sizes

Agribon+ AG-30 Row Cover - 83" x 800'

Quantity:
 
 
Agribon+ AG-30 Row Cover - 14' x 800'

Product ID: 9563

Tools and Supplies > Season Extension Supplies

Overwintering protection in moderate climates.

More Details and Sizes

Agribon+ AG-30 Row Cover - 14' x 800'

Quantity:
 
 
Agribon+ AG-50 Row Cover - 83" x 500'

Product ID: 9601

Tools and Supplies > Season Extension Supplies

Heavy freeze protection.

More Details and Sizes

Agribon+ AG-50 Row Cover - 83" x 500'

Quantity:
 
 
Agribon+ AG-50 Row Cover - 10' x 500'

Product ID: 9605

Tools and Supplies > Season Extension Supplies

Heavy freeze protection.

More Details and Sizes

Agribon+ AG-50 Row Cover - 10' x 500'

Quantity:
 
 
Agribon+ AG-70 Row Cover - 13' x 100'

Product ID: 9628

Tools and Supplies > Season Extension Supplies

Extra heavy weight.

More Details and Sizes

Agribon+ AG-70 Row Cover - 13' x 100'

Quantity:
 
 
Agribon+ AG-70 Row Cover - 26' x 100'

Product ID: 9640

Tools and Supplies > Season Extension Supplies

Extra heavy weight.

More Details and Sizes

Agribon+ AG-70 Row Cover - 26' x 100'

Quantity:
 
 
Knitted Shade Cloth - 30% Shade 10' x 100'

Product ID: 9558

Tools and Supplies > Season Extension Supplies

Reduces heat and light intensity, resulting in better quality and higher yields.

More Details and Sizes

Knitted Shade Cloth - 30% Shade 10' x 100'

Quantity:
 
 
Knitted Shade Cloth - 50% shade 10' x 100'

Product ID: 9570

Tools and Supplies > Season Extension Supplies

Reduces heat and light intensity, resulting in better quality and higher yields.

More Details and Sizes

Knitted Shade Cloth - 50% shade 10' x 100'

Quantity:
 
 
Knitted Shade Cloth - 30% Shade 20' x 125'

Product ID: 9609

Tools and Supplies > Season Extension Supplies

Reduces heat and light intensity, resulting in better quality and higher yields.

More Details and Sizes

Knitted Shade Cloth - 30% Shade 20' x 125'

Quantity:
 
 
Knitted Shade Cloth - 50% Shade 20' x 125'

Product ID: 9612

Tools and Supplies > Season Extension Supplies

Reduces heat and light intensity, resulting in better quality and higher yields.

More Details and Sizes

Knitted Shade Cloth - 50% Shade 20' x 125'

Quantity:
 
 
Sidewall Hand Crank

Product ID: 7033

Tools and Supplies > Season Extension Supplies

Quickly adjusts tunnel sidewalls and holds at desired height.

More Details and Sizes

Sidewall Hand Crank

Quantity:
 
 
Poly Latch Channel

Product ID: 7041

Tools and Supplies > Season Extension Supplies

A convenient, reusable, and high-integrity connection system for high tunnel plastic and other cover materials.

More Details and Sizes

Poly Latch Channel

Quantity:
 
 
Poly Latch Wire

Product ID: 7040

Tools and Supplies > Season Extension Supplies

A convenient, reusable, and high-integrity connection system for high tunnel plastic and other cover materials.

More Details and Sizes

Poly Latch Wire

Quantity:
 
 
Wire Support Hoops - 54", bundle of 100.

Product ID: 7212

Tools and Supplies > Season Extension Supplies

Used with row covers or insect screen to create low tunnels or to support floating row covers.

More Details and Sizes

Wire Support Hoops - 54", bundle of 100.

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