Grandio Greenhouses home page

Now Available! Our largest model yet! The Grandio Summit. Standing over 9' high and 12' wide with lengths up to 32' long, the all-new Summit is our largest greenhouse ever! Prices start at just $3999.00!
The Grandio Elite! Tough enough to withstand just about anything mother nature can throw at it! - 10MM thick twin-wall panels - Free snow & wind supports - Free base kit & rain gutters - Extra long warranty
Introducing the Grandio Element! The first small greenhouse that doesn't compromise quality for size! - 10MM thick twin-wall panels - Heavy-Duty frame - Available in 6x4, 6x8, and 6x12 - 7' Tall roof and 6' tall doors - Extra long warranty
Grandio Elite. Sizes from 8x8 to 8x24. The Grandio Elite greenhouse is a beautiful barn-style greenhouse that provides a wonderful year-round growing space in an attractive, heavy-duty aluminum frame and 10mm twin-wall panels. Starts at $2,399.
Grandio Ascent. Sizes from 8x8 to 8x24. Enjoy the beauty and durability of the original "apex' design greenhouse with an attractive green powder coating combined 6mm twin-wall polycarbonate making it a perfect complement to any garden. Starts at $1,999
Grandio Summit. Sizes from 12x8 to 12x32. Our largest model is 12' wide and 9' tall with 10mm twin-wall polycarbonate panels and an extremely heavy-duty frame that can take massive snow loads. This is the model if you need some serious space! Starts at $3,499
Grandio Element. Sizes from 6x4 to 6x12. The Grandio Element features 7' ceilings and 10mm twin-wall polycarbonate panels, a heavy-duty frame, and bind-resistant, sliding double doors. All in a slimmer 6' wide size for smaller spaces! Starts at $999

Need More Space to Grow?

Check out some of our large greenhouse models

Grandio Summit 12×28

Shop Now

Grandio Summit 12×32

Shop Now

Grandio Ascent 8×20

Shop Now

Grandio Elite 8×20

Shop Now

Grandio Ascent 8×24

Shop Now

Grandio Elite 8×24

Shop Now

Recent Customer Greenhouse Photos

View some of our greenhouse kits out in the wild, provided by our customers.

A Grandio Elite greenhouse with a potting bench inside, multiple shelves and pots of various flowers. The greenhouse is on a lawn with a bench in the foreground and several dense evergreen trees in the background.

Grandio Elite 8×12

Lynn M.

A customer built a custom base and doorframe for their Grandio Summit model greenhouse kit to increase the height of their greenhouse by about 2-3 feet.

Grandio Summit

Ross F.

A happy customer and her dog standing in front of her Grandio Elite greenhouse, with multiple plants growing inside.

Grandio Elite

L. Baumgart

A snow-covered landscape of 2 feet of snow surrounds a Grandio Ascent greenhouse, still standing strong and keeping the garden inside safe with the greenhouse's heavy-duty frame and panels.

Ascent in a Blizzard

Phil in New England

Summit 12x24 in the snow

Grandio Summit Snow

Leann from Utah

A Summit Greenhouse by Grandio with a shade net covering the roof, all in front of a beautiful sunset and grassy lawn.

Grandio Summit Summer

Leann from Utah

Grandio Summit photos submitted by E. Jessen

Grandio Summit

E. Jessen

A brand new Grandio greenhouse kit has completed assembly in a backyard. There's a dog and a baby in a stroller next to the finished construction project.

Grandio Element

Fenced

A customer built their Grandio Ascent greenhouse on top of the roof of a shed, elevating the greenhouse into more sunlight and keeping a compact footprint.

Grandio Ascent

P. Kelts

There's an Elite model Grandio greenhouse in the middle of a lush garden of various flowers and plants.

Grandio Elite

L. Brobst

A Grandio shade net is covering an Ascent greenhouse to help regulate the temperature inside. There's a roof-window that's opened under the shade net, showing that the shade net is elastic enough to continue covering the roof while allowing the roof window to ventilate air.

Grandio Ascent

R. Silva

A Grandio Element greenhouse kit built on a wooden deck in a backyard.

Grandio Element on a Deck

Idaho

Newest Articles & Blog Posts

Articles on everything greenhouses and gardening, written by our team of passionate experts!

Strong winds blow a lone tree standing against a background of dense fog.

Weathering Extreme Weather With Your Greenhouse

Weathering extreme weather with your greenhouse, how to protect your greenhouse in extreme weather, and how to minimize damage or loss.

Read more
A pile of ripe red tomatoes in a box. The best tomatoes to grow in a greenhouse will depend on your specific needs and growing environment.

The Best Tomatoes to Grow in a Greenhouse

Did you know there are over 10,000 tomato varieties? Finding the perfect variety of tomatoes to grow in a greenhouse can be challenging.

Read more
A Grandio shade net covering an Ascent greenhouse to help with controlling temperature and humidity in the greenhouse.

Temperature and Humidity in Your Greenhouse

Temperature and Humidity control is crucial for creating an optimal plant-growing environment in a greenhouse. You can use several methods to accomplish your desired environment.

Read more
A young gardener starting seeds in a greenhouse during the spring to give the seedlings a healthy head start on the growing season.

Starting Seeds in a Greenhouse

Spring is one of the most exciting times for a gardener. One of the best parts is seeing little seedlings emerge from the dirt. Follow our tips to give your seedlings a healthy head start!

Read more
Grandio's guide on how to attract bees to your greenhouse

How to Attract Bees to your Greenhouse

One of the most beneficial things you can do for a garden is to attract bees. Here we provide a few tips and suggestions for attracting these marvelous creatures to your greenhouse.

Read more
annie-spratt-ch_j5gH6INY-unsplash-resized

What Should I Know About Before Investing in A Greenhouse?

Investing in a greenhouse can be a great way to expand your growing space, protect your plants from harsh weather, extend the growing season, and create an ideal environment for cultivation.

Read more