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Grandio Greenhouses

Grandio Greenhouses Trusted by Thousands of Growers Across the U.S., Grandio Greenhouses.

  • Grandio - Ascent 8x12 Greenhouse Kit - Fully Assembled
    Grandio - Ascent 8x12 Greenhouse Kit
    Save up to 25% Save %

    Grandio Ascent 8x12 Greenhouse

    Grandio Greenhouses
    $3,487.00 $3,687.00
    $3,487.00 - $3,687.00
    $3,487.00
    $2,59900 $2,939.00
    $2,599.00 - $2,939.00
    $2,59900

    Why Choose the Ascent 8x12 Greenhouse Kit for Your Garden?   The Grandio Ascent 8x12 Greenhouse Kit is the best option for gardeners of all kinds w...

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  • Grandio - Ascent 8x16 Greenhouse Kit - Back
    Grandio - Ascent 8x16 Greenhouse Kit - Main
    Save up to 20% Save %

    Grandio Ascent 8x16 Greenhouse

    Grandio Greenhouses
    $3,989.00 $4,389.00
    $3,989.00 - $4,389.00
    $3,989.00
    $3,19900 $3,614.00
    $3,199.00 - $3,614.00
    $3,19900
    1 review

    Why Should You Get the Ascent 8x16 Greenhouse Kit for Your Garden?   When it comes to a high-quality greenhouse that can meet the needs of both new...

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  • Grandio - Ascent 8x20 Greenhouse Kit - Front
    Grandio - Ascent 8x20 Greenhouse Kit - Main
    Save up to 22% Save %

    Grandio Ascent 8x20 Greenhouse

    Grandio Greenhouses
    $4,869.00 $5,169.00
    $4,869.00 - $5,169.00
    $4,869.00
    $3,79900 $4,284.00
    $3,799.00 - $4,284.00
    $3,79900

    Is the Ascent 8x20 Greenhouse Kit Your Ideal Year-Round Gardening Solution?   The Ascent 8x20 Greenhouse Kit is designed for garden enthusiasts of ...

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  • Grandio - Ascent 8x24 Greenhouse Kit
    Grandio - Ascent 8x24 Greenhouse Kit - Main
    Save up to 23% Save %

    Grandio Ascent 8x24 Greenhouse

    Grandio Greenhouses
    $5,679.00 $5,979.00
    $5,679.00 - $5,979.00
    $5,679.00
    $4,39900 $4,954.00
    $4,399.00 - $4,954.00
    $4,39900

    Is the Ascent 8x24 Greenhouse Kit the Right Choice for Your Garden?   The Ascent 8x24 Greenhouse Kit is built to make gardening enjoyable for every...

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  • Grandio - Ascent 8x8 Greenhouse kit
    Grandio - Ascent 8x8 Greenhouse kit - Main
    Save up to 28% Save %

    Grandio Ascent 8x8 Greenhouse

    Grandio Greenhouses
    $2,769.00 $2,969.00
    $2,769.00 - $2,969.00
    $2,769.00
    $1,99900 $2,269.00
    $1,999.00 - $2,269.00
    $1,99900

    Does the Ascent 8x8 Greenhouse Kit Have Everything You Need for Your Year-Round Gardening?   The Ascent 8x8 Greenhouse Kit will change the way you ...

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  • Grandio - Element 6x12 Greenhouse Kit - Full View
    Grandio - Element 6x12 Greenhouse Kit - Main
    Save up to 28% Save %

    Grandio Element 6x12 Greenhouse

    Grandio Greenhouses
    $2,789.00 $2,989.00
    $2,789.00 - $2,989.00
    $2,789.00
    $1,99900 $2,339.00
    $1,999.00 - $2,339.00
    $1,99900

    Why Choose the Grandio Element 6x12 Greenhouse Kit for Your Garden? For gardeners that desire superior performance without sacrificing space, the G...

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  • Grandio Greenhouses - Element 6x4 Greenhouse Kit - Front
    Grandio Greenhouses - Element 6x4 Greenhouse Kit - Main
    Save up to 47% Save %

    Grandio Element 6x4 Greenhouse

    Grandio Greenhouses
    $1,879.00 $1,979.00
    $1,879.00 - $1,979.00
    $1,879.00
    $99900 $1,199.00
    $999.00 - $1,199.00
    $99900
    1 review

    Why Should You Choose the Element 6x4 Greenhouse Kit for Your Garden? Introducing the Element 6x4 Greenhouse Kit, a modest but strong solution that...

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  • Grandio Element 6x8 Greenhouse Kit - with Wood Deck Anchor Kit
    Grandio Element 6x8 Greenhouse Kit - Main
    Save up to 23% Save %

    Grandio Element 6x8 Greenhouse

    Grandio Greenhouses
    $1,999.00 $2,299.00
    $1,999.00 - $2,299.00
    $1,999.00
    $1,49900 $1,769.00
    $1,499.00 - $1,769.00
    $1,49900

    Is the Element 6x8 Greenhouse Kit Right for Your Space? For gardeners who want a greenhouse that fits in a smaller space but still want a larger gr...

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  • Grandio - Elite 8x12 Greenhouse Kit - Side
    Grandio - Elite 8x12 Greenhouse Kit - Main
    Save up to 23% Save %

    Grandio Elite 8x12 Greenhouse

    Grandio Greenhouses
    $3,999.00 $4,299.00
    $3,999.00 - $4,299.00
    $3,999.00
    $3,09900 $3,439.00
    $3,099.00 - $3,439.00
    $3,09900

    Does the Elite 8x12 Greenhouse Kit Offer the Best Year-Round Gardening Solution? With its sturdy design and comprehensive features, the Elite 8x12 ...

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  • Grandio - Elite 8x16 Greenhouse Kit - Isolated
    Grandio - Elite 8x16 Greenhouse Kit - Main
    Save up to 24% Save %

    Grandio Elite 8x16 Greenhouse

    Grandio Greenhouses
    $4,999.00 $5,199.00
    $4,999.00 - $5,199.00
    $4,999.00
    $3,79900 $4,214.00
    $3,799.00 - $4,214.00
    $3,79900

    Why Choose the Elite 8x16 Greenhouse Kit for Your Year-Round Gardening Needs? The Grandio Elite 8x16 Greenhouse Kit is a high-end greenhouse soluti...

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  • Grandio - Elite 8x20 Greenhouse Kit - Isolated
    Grandio - Elite 8x20 Greenhouse Kit - Main
    Save up to 18% Save %

    Grandio Elite 8x20 Greenhouse

    Grandio Greenhouses
    $5,499.00 $5,799.00
    $5,499.00 - $5,799.00
    $5,499.00
    $4,49900 $4,984.00
    $4,499.00 - $4,984.00
    $4,49900

    Why Choose the Grandio Elite 8x20 Greenhouse Kit For Your Year-Round Gardening? The Grandio Elite 8x20 Greenhouse Kit is made to change the way you...

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  • Grandio Greenhouses - Elite 8x24 Greenhouse Kit - Isolated
    Grandio Greenhouses - Elite 8x24 Greenhouse Kit - Main
    Save up to 19% Save %

    Grandio Elite 8x24 Greenhouse

    Grandio Greenhouses
    $6,399.00 $6,699.00
    $6,399.00 - $6,699.00
    $6,399.00
    $5,19900 $5,754.00
    $5,199.00 - $5,754.00
    $5,19900

    Why Choose the Grandio Elite 8x24 Greenhouse Kit for Your Year-Round Gardening Needs? The Elite 8x24 Greenhouse Kit is the ideal solution for your ...

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  • Grandio - Elite 8x8 Greenhouse Kit - Side View in Snow
    Grandio - Elite 8x8 Greenhouse Kit - Main
    Save up to 29% Save %

    Grandio Elite 8x8 Greenhouse

    Grandio Greenhouses
    $3,399.00 $3,599.00
    $3,399.00 - $3,599.00
    $3,399.00
    $2,39900 $2,669.00
    $2,399.00 - $2,669.00
    $2,39900
    1 review

    Why Pick the Elite 8x8 Greenhouse Kit for Year-Round Gardening? For gardeners looking for both style and functionality, the Elite 8x8 Greenhouse Ki...

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  • Grandio - Summit 12x12 Greenhouse Kit - Main
    Grandio - Summit 12x12 Greenhouse Kit - with Christmas Decor
    Save up to 22% Save %

    Grandio Summit 12x12 Greenhouse

    Grandio Greenhouses
    $5,799.00 $5,999.00
    $5,799.00 - $5,999.00
    $5,799.00
    $4,49900 $4,979.00
    $4,499.00 - $4,979.00
    $4,49900

    Why Pick the Summit 12x12 Greenhouse Kit for Your Garden? The Summit 12x12 Greenhouse Kit is perfect for gardeners looking for a strong, good-looki...

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  • Grandio - Summit 12x16 Greenhouse Kit - Front
    Grandio - Summit 12x16 Greenhouse Kit - Main
    Save up to 19% Save %

    Grandio Summit 12x16 Greenhouse

    Grandio Greenhouses
    $6,789.00 $6,989.00
    $6,789.00 - $6,989.00
    $6,789.00
    $5,49900 $6,239.00
    $5,499.00 - $6,239.00
    $5,49900

    Why Pick the Summit 12x16 Greenhouse Kit for Your Garden? The Summit 12x16 Greenhouse Kit gives you a roomy, sturdy space to grow plants all year r...

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  • Grandio - Summit 12x20 Greenhouse Kit - Side
    Save up to 14% Save %

    Grandio Summit 12x20 Greenhouse

    Grandio Greenhouses
    $7,599.00 $7,999.00
    $7,599.00 - $7,999.00
    $7,599.00
    $6,49900 $7,379.00
    $6,499.00 - $7,379.00
    $6,49900

    Why Pick the Summit 12x20 Greenhouse Kit for Your Year-Round Gardening? The Summit 12x20 Greenhouse Kit provides a spacious, durable solution for g...

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  • Grandio - Summit 12x24 Greenhouse Kit - with Shade Net
    Grandio - Summit 12x24 Greenhouse Kit - Main
    Save up to 14% Save %

    Grandio Summit 12x24 Greenhouse

    Grandio Greenhouses
    $8,699.00 $9,699.00
    $8,699.00 - $9,699.00
    $8,699.00
    $7,49900 $8,519.00
    $7,499.00 - $8,519.00
    $7,49900

    Why Choose the Summit 12x24 Greenhouse Kit for Year-Round Gardening Success? The Summit 12x24 Greenhouse Kit offers a beautiful and practical space...

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  • Grandio Greenhouses - Summit 12x28 Greenhouse Kit - Main
    Save up to 15% Save %

    Grandio Summit 12x28 Greenhouse

    Grandio Greenhouses
    $9,999.00 $10,999.00
    $9,999.00 - $10,999.00
    $9,999.00
    $8,49900 $9,659.00
    $8,499.00 - $9,659.00
    $8,49900

    Is the Summit 12x28 Greenhouse Kit the Solution for Your Year-round Gardening Needs? The Summit 12x28 Greenhouse Kit is designed to provide an exce...

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  • Grandio Summit 12x32 Greenhouse Kit - Side
    Grandio Summit 12x32 Greenhouse Kit - Main
    Save up to 17% Save %

    Grandio Summit 12x32 Greenhouse

    Grandio Greenhouses
    $10,999.00 $12,999.00
    $10,999.00 - $12,999.00
    $10,999.00
    $9,49900 $10,809.00
    $9,499.00 - $10,809.00
    $9,49900

    Is the Summit 12x32 Greenhouse Kit the Right Choice for Your Gardening Needs? The Summit 12x32 Greenhouse Kit gives you a large, sturdy space to gr...

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  • Grandio - Summit 12x8 Greenhouse Kit - Front
    Grandio - Summit 12x8 Greenhouse Kit
    Save up to 24% Save %

    Grandio Summit 12x8 Greenhouse

    Grandio Greenhouses
    $4,589.00 $4,789.00
    $4,589.00 - $4,789.00
    $4,589.00
    $3,49900 $3,839.00
    $3,499.00 - $3,839.00
    $3,49900

    Why Choose the Summit 12x8 Greenhouse Kit for Year-Round Growing? This barn-style Summit 12x8 Greenhouse Kit isn’t just about gardening – it’s a ro...

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GRANDIO SUMMIT STANDARD FEATURES

  • Lifetime frame warranty, 10-year panel coverage
  • Uses standard stainless steel bolts and hardware
  • Includes a detailed, easy-to-follow assembly guide
  • Backed by expert support from the same team that built the greenhouse


GRANDIO ELITE STANDARD FEATURES

  • Lifetime frame warranty, 10-year panel coverage
  • Uses standard stainless steel bolts and hardware
  • Includes a detailed, easy-to-follow assembly guide
  • Backed by expert support from the same team that built the greenhouse

 

GRANDIO ASCENT STANDARD FEATURES

  • Lifetime frame warranty, 10-year panel coverage
  • Uses standard stainless steel bolts and hardware
  • Includes a detailed, easy-to-follow assembly guide
  • Backed by expert support from the same team that built the greenhouse

 

GRANDIO ELEMENT STANDARD FEATURE

  • Lifetime frame warranty, 10-year panel coverage
  • Uses standard stainless steel bolts and hardware
  • Includes a detailed, easy-to-follow assembly guide
  • Backed by expert support from the same team that built the greenhouse

 

Frequently Asked Questions

What makes Grandio Greenhouses stand out?

Grandio models feature a heavy‑duty powder‑coated aluminum frame and thick twin‑wall polycarbonate panels for year‑round protection, backed by a lifetime frame warranty & 10‑year panel warranty.

Are these greenhouses built to withstand wind and snow?

Yes. All Grandio kits are engineered to withstand gusts up to 76 mph and support up to 25 lb/ft² of snow load. Bracing and reinforcement components are included for added strength.

Is it difficult to assemble a Grandio greenhouse?

No. Each kit comes with detailed instructions, a tools‑included hardware package, and access to assembly videos. Most models can be built in a day with two people.

Can I use automatic vent openers?

Yes — roof and louver vent openers are available as accessories (no electricity needed) and they adjust ventilation based on temperature changes.

Do you ship internationally?

Currently, shipping is offered only within the USA and Canada.

Location

We are located in central California and sell online only.

Free Shipping

When you spend $200+

5 Star Reviews

Thousands of
Satisfied Customers.

Give Us A Call

1-800-540-9051

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