Greenhouse Reviews of Polycarbonate Greenhouse Kits

Our four season greenhouse kits outperform others at a lower cost, and have more features and benefits!

We compared our greenhouse kits by feature, size, and price to other quality polycarbonate greenhouses. All of our Growing Dome® greenhouse kits are available with either a 2 or 5-wall polycarbonate glazing covering, above ground pond, and solar powered central air heating and cooling systems. See the comparison chart below and decide for yourself! Growing Spaces polycarbonate greenhouses can return your investment in full every 3 to 5 years.

We strive for a personal connection with our customers, while offering outstanding service, before and after the sale, as well as throughout the lifetime of our product. (5-Wall Comparison at the bottom of this page.)

Comparison of 2-Wall (8mm) Polycarbonate Covered Greenhouses

Feature Growing Spaces
“Growing Dome”
ACF Greenhouses
“Cape Cod”
Cross Country
Greenhouses
Charley’s Greenhouses
“Solar Gro”
Square Feet 350 351 330 320
Polycarbonate Glazing Type 2-Wall 2-Wall 2-Wall 2-Wall
Price $9,450 $14,475 $10,285 $10,775
Price per Square Foot $27 $41 $31 $33
Utility-Free, Year-Round Gardening*
Above Ground Pond (Thermal Mass Regulates Temperature)
Solar Powered Soil Heating/Cooling System
Automatic Venting
Built-In Insulating Blanket/Sunshade
Engineered Plans for 60+ PSF Snow Load
Wind Friendly Aerodynamic Dome Shape
Foundation Wall Included Kit
Nationwide Installation Service
Gardening Classes Live & Online
Site Selection: Personalized Advice
Building Department Assistance (if needed)

* In most climates in the United States


At Growing Spaces we are committed to making the best possible greenhouse at an affordable price, while giving you all the features and benefits you need. With average gardening skills and productivity, our Growing Dome solar greenhouses can produce 2.5 pounds of fresh food per square foot annually, imagine how much you can save if you aren’t buying expensive store-bought fresh organic produce!

Growing Dome greenhouses can return your investment in full every 3 to 5 years.

Over the lifetime of our polycarbonate greenhouses, you can realize your investment 5 times over, assuming proper care of the Growing Dome greenhouse kit in the 15-20 year expected lifespan. The Growing Spaces Growing Dome might well be the best investment you could ever make in terms of health, fresh produce, and value for your dollar.

Comparison of 5-Wall (16mm) Polycarbonate Covered Greenhouses

Feature Growing Spaces
“Growing Dome”
ACF Greenhouses
“Arctic”
Arcadia
Greenhouses
“Even Span”
Advance
Greenhouses
“Evangeline”
Square Feet 550 441 512 441
Polycarbonate Glazing Type 5-Wall 5-Wall 5-Wall 5-Wall
Price $13,950 $16,043 $20,623 $19,440
Price per Square Foot $31 $36 $40 $44
Utility-Free, Year-Round Gardening*
Above Ground Pond (Thermal Mass Regulates Temperature)
Solar Powered Soil Heating/Cooling System
Automatic Venting
Built-In Insulating Blanket/Sunshade
Engineered Plans for 60+ PSF Snow Load
Wind Friendly Aerodynamic Dome Shape
Foundation Wall Included Kit
Nationwide Installation Service
Gardening Classes Live & Online
Site Selection: Personalized Advice
Building Department Assistance (if needed)