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Janssens Custom Build

Special Deals
Greenhouses
Supplies
Outdoor & More
Learning Center
Janssens Custom Build

(512) 256-0220

Mon-Sat 9am-5pm EST

Veteran-Owned & Operated • Actual Greenhouse Owners

Your Dream Garden Starts Here! Save up to $6000 on premium greenhouses — Shop Special Deals Now

Base Kits & Extensions

The advantage of a base is to give an increased resistance, stability, and securing your greenhouse to the ground especially throughout severe weather conditions. It must be precisely installed to the bottom. The base will support your greenhouse for many years to come by making it fixed and stable. You might also be considering bountiful harvests and possibly expanding your greenhouse. Some greenhouses are expandable. You may be encouraged to purchase extension kits which give you additional growing space. Just leave room for future extensions.
Check out the base kits & extensions for the greenhouses we offer!

Greenhouse Accessories | Base Kits & Extensions

Janssens Royal Victorian Drop-Door Kit
Price range: $119.00 through $299.00
MONT 4′ Extension Kit
Price range: $1,099.99 through $1,249.99
Hoklartherm Riga Foundation Frame
Price range: $824.00 through $3,149.00
Solexx Greenhouse Tie Down Anchor Kit
Price range: $85.99 through $102.99
Drop Door Kit for Riga Greenhouses
Price range: $419.99 through $1,429.99

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Accessory (5)

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Hoklartherm (2)
Janssens (1)
MONT (1)
Solexx (1)

Don't Take Our Word For it! Here's What Our Customers Think:

 5/5

Kenneth L. | Mar 01, 2025

very easy to buy, good deal. Youtube videos helped me decide.”

 5/5

Dan M. | Feb 02, 2025

“Trevor is absolutely one of the best people to do business with. He was extremely knowledgeable, and super helpful. He answer every question I had and I had a ton. Great company to do business with. So happy I found Greenhouse Emporium. Very excited to get it set up for my wife!”

 5/5

Jennifer M. | Feb 26, 2025

"Having these supplies has simplified my ordering. THANK YOU SO MUCH.”

Overall Customer Rating: 4.9 out of 5.0 Stars

5 Star Excellence award from Shopper Approved for collecting at least 100 5 star reviews

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Free Portable Greenhouse, Tumbler, & 4ft Extension!

Start seeds or protect tender plants with the mini greenhouse. Enjoy efficient composting with the tumbler and extra growing space with the 4ft extension. Don’t miss these amazing FREE gifts!

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Save 15% on a Janssens EOS Orangerie

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Kombi Raised Bed & Cold Frame by Juwel

Two Raised Beds with Cold Frame for free

Value: $439.80

Get TWO Juwel Timber Kombi Raised Beds with Riga XL Greenhouse purchase! They can be used with or without the cold frame top. Only while supply lasts!

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Save 5% on aNY Janssens Greenhouse!

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Save 10% on a Livingten Greenhouse

Save up to $5,500.00 for a limited time.

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Mini greenhouses are perfect for beginners

Free Portable Mini Greenhouse

Get a FREE Genesis Mini Rolling Greenhouse (4-Tier, Clear) with ANY MONT Greenhouse purchase! This is a great shelf to start seeds or give tender plants a little more protection.

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