Build Your Own Greenhouse: 11 Easy-to-Assemble Kits

A die-hard gardener’s ultimate dream is having a greenhouse in the backyard. If this is your dream, it’s not as far away as you might think. You don’t necessarily have to enlist a contractor and pull together plans. You don’t need to be a billionaire. DIY greenhouse kits have brought the cost way down, and make it easy to build a greenhouse in the space that you have. Designs range from simple to elaborate, from cheap to extravagant. So, whether you have a small patio space, or a big backyard, you can find a DIY greenhouse that is right for you. Some use very modest materials, like PVC, while others use heavy gauge aluminum. You can find sophisticated models, with vents that automatically open when the temperature gets too hot. And some models are so small and simple, they are actually portable. Take a look at some of the DIY greenhouse kits that are available for purchase online or from your local home center. Dreams can come true.

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  1. Ready to Assemble


    Whether the plot is big or small, in the country or in the city, virtually every gardener covets a small greenhouse to start seedlings, protect delicate flowers or grow out-of-season herbs and vegetables. Fortunately, enough greenhouse kits are on the market to meet almost every requirement and budget. Here are some of our favorite DIY greenhouses, starting with this beauty from BC Greenhouse.

  2. The Sun Garden


    Featuring a heavy aluminum frame and unbreakable 6-mm twin wall polycarbonate glazing, the 8' x 8' Sun Garden greenhouse is designed to withstand heavy snow and high winds. With 5 ½ foot side walls and a premium, lockable hinged storm door, this unit is available in white, green or brown and comes with step-by-step video instructions. At; from $2,195

  3. Palram Snap & Grow


    The Palram Snap & Grow 6' x 8' greenhouse turns any spot in your backyard into a grower's sanctuary. Featuring a heavy duty aluminum frame and crystal clear, break-resistant SnapGlas panels, the kit comes with a split-style door and an adjustable roof ventilation. At; from $639.98

  4. Wood Mini Greenhouse


    This small-scale Wood Mini Greenhouse kit by Leisure Solutions is perfect for patios, balconies and decks where space is at a premium. Measuring 16" L x  30" W x 43" H, it features a wood frame finished with a protective, moisture-resistant acrylic coating and polycarbonate safety glazing. The top window and double bottom doors provide easy access. At; $239.99

  5. Mt. Hood Sunshine Gardenhouse


    This 6' x 12' Mt. Hood Sunshine Gardenhouse comes with pre-assembled panels of natural redwood framing and 4.5-mm thick polycarbonate glazing. The kit includes two vents that open automatically when the temperature is too warm, Dutch doors and a Trex base (no foundation required). At; $2,098.79

  6. Outdoor Living Today Sunshed


    This 8' x 12' Outdoor Living Today Sunshed kit is constructed from durable Western red cedar with a 6-mm thick twin wall polycarbonate roof and wall panels. The unit includes two heat-activated roof vent openings, two lower wall vents, a Dutch door, and an L-shaped full-wall workbench (no foundation included). At; $4,399

  7. DuraMax Metal Greenhouse


    The DuraMax Metal Greenhouse measures approximately 7' 9" L x 10' 5" W x 6' 9" H and is constructed with a sturdy frame and an all-weather durable polycarbonate glazing. The adjustable roof vent provides precise temperature control, while the double sliding doors make coming and going a breeze (foundation is included). At; $1,099

  8. Juliana Basic 300


    The 6' x 5' Juliana Basic is ideal for the gardener with limited outdoor space. Featuring a rugged aluminum frame with molded gutters and 4-mm, double wall polycarbonate panels, the kit includes a 2" wide sliding door with rollers, one roof vent and adjustable window vent.  At; $675

  9. Riga V Greenhouse


    Offering more than 165 square feet of floor space, the German-made Riga V is a fully-loaded greenhouse kit for the serious gardener. With its 12-gage aluminum frame and 8-mm thick polycarbonate side panels and 10-mm thick end panels, the kit includes two heaters, an exhaust fan, a thermostat, and a solar-powered night light. At; $5,899.99

  10. Springhouse Clear


    This portable Springhouse Clear greenhouse requires only minimal assembly and is compact and lightweight enough for easy transport, setup, and take down. Measuring 78"H x 72" W x 72" D, the fiberglass frame is covered with a Waterproof Clear Gro-Tec™ material that is UV-resistant. At greenhousemegastore; $219

  11. Hideaway Greenhouse


    This roomy 8' x 12' Hideaway Greenhouse is constructed of heavy gauge, extruded aluminum in either a green or white baked enamel finish, and covered with 8-mm clear triple-wall polycarbonate. The kit, which can be assembled with basic tools, includes a full-size door with self-storing screen, and two manually operated roof vents. At; $2,859

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