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Questions? Call Us at 1-800-540-9051
Quality Guarantee + Free Shipping on Most Items.
Questions? Call Us at 1-800-540-9051

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
$ 2,599 00 $2,939.00
$2,599.00 - $2,939.00
$ 2,599 .00

Why Choose the Ascent 8x12 Greenhouse Kit for Your Garden? Lead time: 1–2 days; delivery 1–7 business days Sizes: 8×8, 8×12, 8×16, 8×20, 8×...

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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
$ 3,199 00 $3,614.00
$3,199.00 - $3,614.00
$ 3,199 .00
1 review

Why Should You Get the Ascent 8x16 Greenhouse Kit for Your Garden? Actual Size: 8'2" W x 16' L x 7'9" H Sizes: 8×8–8×24 (5 options) Panels: 6 mm...

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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
$ 3,799 00 $4,284.00
$3,799.00 - $4,284.00
$ 3,799 .00

Is the Ascent 8x20 Greenhouse Kit Your Ideal Year-Round Gardening Solution? Now accepting backorders — stock expected to arrive by mid to late Octo...

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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
$ 4,399 00 $4,954.00
$4,399.00 - $4,954.00
$ 4,399 .00

Is the Ascent 8x24 Greenhouse Kit the Right Choice for Your Garden? Now accepting backorders — stock expected to arrive by mid to late October! ...

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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
$ 1,999 00 $2,269.00
$1,999.00 - $2,269.00
$ 1,999 .00

Does the Ascent 8x8 Greenhouse Kit Have Everything You Need for Your Year-Round Gardening? Model: 8×8 (64 sq ft) Panels: 6 mm twin-wall (R≈...

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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
$ 1,999 00 $2,339.00
$1,999.00 - $2,339.00
$ 1,999 .00

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

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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
$ 999 00 $1,199.00
$999.00 - $1,199.00
$ 999 .00
1 review

Why Should You Choose the Element 6x4 Greenhouse Kit for Your Garden? Actual size: 6' W × 4' L × 7' H Panels: 10 mm twin-wall (R≈1.89, U≈0....

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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
$ 1,499 00 $1,769.00
$1,499.00 - $1,769.00
$ 1,499 .00

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
$ 3,099 00 $3,439.00
$3,099.00 - $3,439.00
$ 3,099 .00

Does the Elite 8x12 Greenhouse Kit Offer the Best Year-Round Gardening Solution? Now accepting backorders — stock expected to arrive by mid to late...

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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
$ 3,799 00 $4,214.00
$3,799.00 - $4,214.00
$ 3,799 .00

Why Choose the Elite 8x16 Greenhouse Kit for Your Year-Round Gardening Needs? Now accepting backorders — stock expected to arrive by mid to late Oc...

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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
$ 4,499 00 $4,984.00
$4,499.00 - $4,984.00
$ 4,499 .00

Why Choose the Grandio Elite 8x20 Greenhouse Kit For Your Year-Round Gardening? Now accepting backorders — stock expected to arrive by mid to lat...

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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
$ 5,199 00 $5,754.00
$5,199.00 - $5,754.00
$ 5,199 .00

Why Choose the Grandio Elite 8x24 Greenhouse Kit for Your Year-Round Gardening Needs? Now accepting backorders — stock expected to arrive by mid to...

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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
$ 2,399 00 $2,669.00
$2,399.00 - $2,669.00
$ 2,399 .00
1 review

Why Pick the Elite 8x8 Greenhouse Kit for Year-Round Gardening? Sizes: 8×8, 8×12, 8×16, 8×20, 8×24 Panels: 10 mm twin-wall polycarbonate (R...

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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
$ 4,499 00 $4,979.00
$4,499.00 - $4,979.00
$ 4,499 .00

Why Pick the Summit 12x12 Greenhouse Kit for Your Garden? Actual size: 12' W × 12' L × 9.25' H Sizes: 12x8, 12x12, 12x16, 12x20, 12x24, 12x...

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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
$ 5,499 00 $6,239.00
$5,499.00 - $6,239.00
$ 5,499 .00

Why Pick the Summit 12x16 Greenhouse Kit for Your Garden? Now accepting backorders — stock expected to arrive by mid to late October! ...

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Grandio - Summit 12x20 Greenhouse Kit - Side Grandio - Summit 12x20 Greenhouse Kit - Main 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
$ 6,499 00 $7,379.00
$6,499.00 - $7,379.00
$ 6,499 .00

Why Pick the Summit 12x20 Greenhouse Kit for Your Year-Round Gardening? Now accepting backorders — stock expected to arrive by mid to l...

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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
$ 7,499 00 $8,519.00
$7,499.00 - $8,519.00
$ 7,499 .00

Why Choose the Summit 12x24 Greenhouse Kit for Year-Round Gardening Success? Now accepting backorders — stock expected to arrive by mid to l...

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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
$ 8,499 00 $9,659.00
$8,499.00 - $9,659.00
$ 8,499 .00

Is the Summit 12x28 Greenhouse Kit the Solution for Your Year-round Gardening Needs? Now accepting backorders — stock expected to arrive by mid...

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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
$ 9,499 00 $10,809.00
$9,499.00 - $10,809.00
$ 9,499 .00

Is the Summit 12x32 Greenhouse Kit the Right Choice for Your Gardening Needs? Now accepting backorders — stock expected to arrive by mid to...

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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
$ 3,499 00 $3,839.00
$3,499.00 - $3,839.00
$ 3,499 .00

Why Choose the Summit 12x8 Greenhouse Kit for Year-Round Growing? Actual size: 12' W × 8'1" L × 9.25' H Sizes: 12x8, 12x12, 12x16, 12x20, 1...

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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.

What warranty comes with Grandio Greenhouses?

All Grandio Greenhouses include a lifetime warranty on the aluminum frame and a 10-year warranty on the polycarbonate panels.

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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