Compare Greenhouse Features, Prices, and ROI

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 our Growing Dome®  greenhouse kits include:Greenhouse Gardening

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. (Multi-Wall Comparison at the bottom of this page.)

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

FeatureGrowing Spaces
“Growing Dome”
ACF Greenhouses
“Cape Cod”
Jefferson Educational Charley’s Greenhouses
“Solar Gro”
Square Feet350320384320
Polycarbonate Glazing Type2-Wall2-Wall2-Wall2-Wall
Price$11,950$18,274$19,250$16,874
Price per Square Foot$34$57$50$53
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 Multi-Wall (16mm) Polycarbonate Covered Greenhouses

FeatureGrowing Spaces
“Growing Dome”
ACF Greenhouses
“Arctic”
Arcadia
Greenhouses
“Even Span”
Advance
Greenhouses
“Evangeline”
Square Feet850861800861
Polycarbonate Glazing TypeMulti-WallMulti-WallMulti-WallMulti-Wall
Price$23,950$35,164$29,595$38,874
Price per Square Foot$28$41$34$45
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)