7 Best Greenhouse Kits to Buy in 2022

If you are contemplating doing some organic gardening but finding it hard to give it a head start, go for greenhouse gardening. It might be the best technique to guarantee that plants develop organically and healthily in a safe and controlled setting. And did we also mention that you can grow your own fresh, organic fruits or vegetables in a greenhouse without pesticides?

Simply purchase and install a greenhouse kit that meets your needs. Then, depending on the size and type, you can erect the greenhouse in your yard, patio, or garage. And voila, you are ready to do some serious gardening.

But with so many alternatives on the market, how can you determine which greenhouse kit is the best?

When you’re done reading this post, you’ll know everything there is to know about the kits and be able to decide which one is best for you.

Image Product
Rion HG7514 Canopia Sun Room
  • UV protected
  • Acrylic wall panels
  • 4mm twin-wall polycarbonate
VIEW ON AMAZON →READ REVIEWS →
JULY'S SONG 6'L x 8'W Greenhouse
  • Powder-coated, rust-resistant, and thickened aluminum alloy frame
  • 4mm twin-wall panel
  • Built-in rain gutters
VIEW ON AMAZON →READ REVIEWS →
DIY Greenhouse Kit - 20 FT Wide Hoop House
  • Spacious
  • Easy to set up
  • Heavy-duty construction
VIEW ON Bootsrapfarmer →READ REVIEWS →
Outsunny 6' x 4' x 7' Wooden Greenhouse
  • Sturdy structure
  • Fir wood base
  • High light transmittance
VIEW ON AMAZON →READ REVIEWS →
Palram - Canopia Mythos Hobby Greenhouse
  • Adjustable roof vents
  • Galvanized steel base
VIEW ON AMAZON →READ REVIEWS →
Janco GREENHOUSES Palmetto
  • Spacious
  • Polycarbonate to material
  • Better insulation
VIEW ON AMAZON →READ REVIEWS →
Ohuhu Greenhouse for Outdoors
  • Compact
  • Easy to set up
  • Zippered roll-up entrances
VIEW ON AMAZON →READ REVIEWS →

Best Greenhouse Kits

To make it easier for you, we have compiled a list of the top 7 greenhouse kits for you.

1. Best Lean To Greenhouse Kits: Rion HG7514 Canopia Sun Room

BrandRion
MaterialResin & Polycarbonate
Item Weight292 pounds
ColorWhite
Dimension176.4 x 78.9 x 97.2 inches

The Rion greenhouse kit can be ideal for you if you want to turn your balcony or deck into a classy-looking greenhouse. The greenhouse is sleek and beautiful, comes in white, and offers excellent light penetration. Furthermore, this product is extremely durable and designed to last a long time thanks to its nearly indestructible coverings. Additionally, the side walls are clear acrylic that, is 100% UV resistant and allows over 90% of light to pass through. Meanwhile, the white resin frame’s great durability enhances insulation and requires virtually no maintenance.

This Item Includes:

  • Frames
  • Rail mounts
  • Instruction guide
  • Roof panels
  • Roof vent 

Attention: The product comes with a 7-year warranty

Features:

  • UV protected
  • Acrylic wall panels
  • 4mm twin-wall polycarbonate
  • 3mm translucent acrylic wall panels
  • Heavy-duty resin frame
  • Adds sufficient light

Pros and Cons Rion HG7514 Canopia Sun Room

Here is a list of pros and cons of the product.

Pros

  • Looks elegant
  • Easy to install
  • Includes hinged side door
  • Comes with a 7-year warranty 
  • Sturdy build
  • The door can be installed on either end

Cons

  • The window frames might seem smaller 
  • The stickers may not come off easily
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2. Best Polycarbonate Greenhouse Kits: JULY’S SONG 6’L x 8’W Greenhouse

BrandJULY’S SONG
MaterialPolycarbonate panels and thickened aluminum frame
Item Weight95 pounds
ColorTransparent Sheets + Green Frame
Dimension72 x 96 x 74.4 inches

The JULY’S SONG polycarbonate greenhouse is an excellent, robust greenhouse for beginners and is ideal for the outdoors. Your plants would remain healthy and happy in this spacious walk-in greenhouse. 

This product has a sliding door, a ceiling vent, as well as a strong galvanized foundation that offers sturdy support for the complete setup. Additionally, the product has a 12-month worry-free warranty and welcoming customer service to provide customers the comfort of mind.

This Item Includes:

  • Greenhouse Frame
  • Greenhouse Panels
  • Greenhouse Base
  • Greenhouse Assembly Instruction
  • Attention: Come with 2 boxes, please wait one more day if it does not arrive on the same day.

Not included: Shelves. You can add shelves if required

Features:

  • Powder-coated, rust-resistant, and thickened aluminum alloy frame
  • 4mm twin-wall panel
  • Built-in rain gutters
  • Reinforced structure kit to carry heavy snow load

Pros and Cons of JULY’S SONG 6’L x 8’W Greenhouse:

Here is a list of pros and cons of the product.

What We Liked

  • Easy to set up
  • Comes with a 2-year warranty
  • Sturdy
  • Galvanized base
  • High headroom allows taller plants
  • Manually adjustable roof vent window
  • There is an installation video on the company the web page

What We Don’t Like

  • It might take 6-7 hours to install the whole structure for the beginners
  • A few customers have complained of rough sliding door
  • The base is sharp, so be aware
  • Need at least 2 people for the installation process
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3. Best Hoop House Greenhouse Kits: DIY Greenhouse Kit – 20 FT Wide Hoop House

Width20 feet

Building your own wide hoop greenhouse might be a good idea if you’re seeking a large greenhouse that fulfills its intended purposes. If you have enough room, constructing this type of greenhouse is a financially advantageous approach. 

This 20-foot wide hoop greenhouse kit from Bootstrap Farmer comes with the high-quality supplies you’ll need to build it up quickly. With this structure, you can protect plants from dangerous UVA and UVB rays and other elements while retaining heat and moisture. 

Remember that the full kit is not included with this high tunnel DIY kit. Therefore, you will have to buy the supplies from a nearby store.

This Item Includes:

  • Nuts, bolts, screws, and connectors
  • Greenhouse wiggle wire and lock channel
  • Cross Connectors
  • 6 mil greenhouse plastic with 4-year warranty
  • Attention: The wood and pipe have to be bought locally and bend the hoops yourself

Features:

  • Spacious
  • Easy to set up
  • Heavy-duty construction
  • Durable materials

Pros and Cons DIY Greenhouse Kit – 20 FT Wide Hoop House

Here is a list of pros and cons of the product.

What We Liked

  • Comes with a huge growing space
  • Can withstand the impacts of elements
  • Would keep heat and humidity inside

What We Don’t Like

  • Not ideal for smaller space
  • Doesn’t include any racks
  • Would require extra investment on lumber and top-rails
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4. Best Wooden Greenhouse Kits: Outsunny 6′ x 4′ x 7′ Wooden Greenhouse

BrandOutsunny
MaterialPolycarbonate; Wood- Base Material
ColorNatural
Dimension74.4 x 46.8 x 82.8 inches

The polycarbonate greenhouse from Outsunny with a sturdy hardwood frame can be your best option: if you want something fashionable yet robust. The item might make a stunning addition to your landscape.

It is roomy and durable enough to resist more severe weather and wind. Your plants would be shielded in the greenhouse from the effects of the weather and wild animals. The greenhouse has a latch that you may use to lock it whenever required.

This Item Includes:

  • Transparent PC boards
  • Solid fir wood frame 
  • Locks and latches 

Attention: Item arrives in two separate boxes and may not be part of the same shipment. Delivery times may vary.

Features:

  • Sturdy structure
  • Fir wood base
  • High light transmittance 
  • Pointed top to prevent rainwater accumulation 

Pros and Cons of Outsunny 6′ x 4′ x 7′ Wooden Greenhouse

Here is a list of pros and cons of the product.

What We Liked

  • Great look
  • Sturdy
  • Can withstand strong wind and rainfall
  • Comes with a wooden frame
  • Sloping roof prevents water buildup

What We Don’t Like

  • Not a good option for beginners
  • Price is on the higher side
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5. Best Mini Greenhouse Kits: Palram – Canopia Mythos Hobby Greenhouse

BrandPalram
MaterialAluminum, Polycarbonate
Item Weight72 Pounds
ColorSilver
Dimension73.2 x 72.8 x 81.9 inches

Regarding quality and space, this Palram greenhouse is among the best. As the model’s name suggests, the Hobby greenhouse speaks a lot about the item. The simplicity of installation is one of the key factors to consider. 

Additionally, this design is excellent for hobby gardeners who desire a sizable space to grow their plants securely. The 6 mm (virtually unbreakable) polycarbonate dual-wall panels offer over 70% light transmission while blocking up to 100% UV radiation. Plus, the kit comes with a corrosion-free metal frame.

This Item Includes:

  • Adjustable roof vents
  • Galvanized steel base
  • Magnetic door catch
  • Integrated gutter system

Features:

  • Powder-coated galvanized steel and aluminum frame
  • Galvanized steel base
  • Single hinged door
  • Magnetic door catch

Pros and Cons of Palram – Canopia Mythos Hobby Greenhouse

Here is a list of pros and cons of the product.

What We Liked

  • Easy to set up
  • Good plant growing space
  • Sturdy
  • Blocks 100% UV rays
  • Good light transmission
  • Includes roof vents and an integrated gutter system

What We Don’t Like

  • Need a strong flat ground to set up
  • Time-consuming installation
  • Expensive 
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6. Best Glass Greenhouse Kits: Janco GREENHOUSES Palmetto

BrandJanco GREENHOUSES
MaterialAluminum and Glass
Top Material- Polycarbonate
Item Weight900 pounds

The most popular option for greenhouse gardeners continues to be glass greenhouses. Although glass greenhouses are more expensive than those made of plastic or polycarbonate, they are more suited for insulation. 

That said, Janco GREENHOUSES’s aluminum and glass greenhouse offer a spacious and elegant plant-growing area. Once installed, the structure will undoubtedly give your yard a beautiful touch. The product’s uncomplicated style is perfect for those with a fetish for handcrafted and vintage things. 

The product’s highlight is its heavy-gauge extruded aluminum construction that can withstand wind loads of 90 mph and snow loads of 25 lbs. A lifetime warranty also covers the item.

This Item Includes:

  • Passive solar ridge vent
  • Heavy-duty, aluminum full-lite door
  • 1/8” clear tempered safety glass
  • The frame 
  • Butyl sealants

Features:

  • ALL-ALUMINUM & GLASS model
  • Spacious
  • Polycarbonate to material
  • Better insulation

Pros and Cons of Janco GREENHOUSES Palmetto

Here is a list of pros and cons of the product.

What We Liked

  • Sturdy
  • Great for insulation
  • Keep plants safe
  • Elegant look

What We Don’t Like

  • Very expensive
  • May not be a good option for novice gardeners
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7. Best Pvc Pipe Greenhouse Kits: Ohuhu Greenhouse for Outdoors

BrandOhuhu
MaterialMetal and PVC
Item Weight14.8 pounds
ColorGreen
Dimension56.3 x 28.74 x 76.77 inches

The outdoor greenhouse at Ohuhu is last but certainly not least. Like the other greenhouse kits on our list, this one is designed to provide the best environment for the development of plants. Your favorite plants can fit effortlessly in the inner space, which is pretty large. 

This greenhouse is designed for long-term use, made of sturdy, rust-resistant tubes, and covered in the PE sheet. Additional benefits of the cover include waterproofness and UV resistance. 

Although, when installed, it would shield your plants from the elements, the structure could topple over in the event of strong wind and rain.

This Item Includes:

  • Metal tubes
  • Plastic connectors
  • PE cover
  • Metal zippers
  • Net racks

Features:

  • Compact
  • Easy to set up
  • Zippered roll-up entrances
  • UV resistant

Pros and Cons of Ohuhu Greenhouse for Outdoors

Here is a list of pros and cons of the product.

What We Liked

  • Affordable greenhouse
  • Velcro windows and roll-up door
  • 6 shelves to support planters and pots
  • Waterproof material
  • Detachable parts

What We Don’t Like

  • Flimsy
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Buyer’s Guide: Things to Consider Before Selecting the Best Greenhouse Kit

Things to Consider Before Selecting the Best Greenhouse Kit

After learning about the top 7 green kits, it’s time to focus on the tips before choosing any of the above products. Not all greenhouses would suit every gardening need. So, it’s important to consider a few factors before saying YES to any product. 

1. Size

The size of the greenhouse should be taken into account first. This is crucial since you don’t want to purchase a product that won’t fit in your lawn or yard. Also, remember that the number of plants you can cultivate in a greenhouse depends on their size. While some greenhouses are big enough to produce a complete garden, others are smaller and can only hold a few plants.

2. Build Material

The product’s material is the next factor to take into account. Even though glass is still the optimum material for greenhouses of the highest caliber, it might not be the ideal choice for novices. The installation may take longer than expected. However, PVC or plastic greenhouses are convenient to move and are simple to install. Additionally, remember that each material has advantages and disadvantages of its own, making it crucial to select the one best suited to your requirements.

For your reference, here are a few materials that you can consider while planning to build your greenhouse.

  • Glass
  • Wood
  • PVC
  • Acrylic
  • Fiberglass
  • Polycarbonate

3. Local Weather

The local climate or weather should also be taken into account. This is significant because the level of insulation provided by various materials varies. You should choose the greenhouse-built material depending on how hot, chilly, or damp your place is.

4. Equipment for the Setup

Another thing to consider is what equipment you need to install your greenhouse. It is not at all a tough thing to set up a greenhouse kit. Yet, knowing the equipment could provide benefits. That being said, greenhouse kits made of steel or polyethylene require the least number of tools to set them up. Furthermore, if you plan to install a bigger greenhouse, you may need an extra helping hand and some extra tools. Also, such installation takes more time.

FAQ

Which is a more cost-effective option- buying or building a greenhouse?

If buying a greenhouse would be more affordable than buying a greenhouse kit, it would depend on the material you are utilizing. However, keep in mind that starting from scratch, a greenhouse could require more time and effort.

Do plants grow quickly in a greenhouse?

The answer to the above question is yes. Greenhouse plants are more likely to develop more quickly since they are exposed to ideal growth circumstances and less climate volatility. In a greenhouse, plants would also be protected from infections and pests that would otherwise hinder their growth.

Is it possible to grow plants all year round in a greenhouse?

Yes, you can grow plants within a greenhouse throughout the year if insulation and humidity levels are correctly managed.

Is glass greenhouse the most superior in quality?

It is tough to confirm if a glass greenhouse is of the best quality. Although glass is a traditional greenhouses material with several good properties, other materials also give it tough competition. Therefore, it would be up to you to decide whether a glass greenhouse would be the most acceptable option for your needs and preferences.

Conclusion

So this is all, folks!

Numerous greenhouse kit options are available on the market, making it difficult to decide which option is the best. But we’ve put up the above list after reading through many consumer reviews and comments online. The kits above are of high quality and are dependable. However, it is advised that you should list your gardening requirements to find the best fit for you.

But in our opinion, the Home-Complete HC-4202 Walk-In Greenhouse would win hands down due to its functionality and ease of installation. In addition, the size is compact, and the product is perfect for even beginners.