8 Best Plastic Greenhouses

Whether gardening is your favorite hobby or you’re just getting started in this field, you certainly want to make sure that you’re doing everything you can to protect and nourish your plants and flowers. One very effective way is purchasing a suitable greenhouse that will take care of your plants without needing to tend to them constantly. There are many types of greenhouses, but in this article, we offer specifically a selection of our top choices for plastic greenhouses, their key features, where to purchase them, and crucial details to look for when buying them.

Best 8 Plastic Greenhouses

There are many reasons why a plastic greenhouse is the way to go. They are lightweight, so they’re easy to move around and store away if necessary; they are affordable, many of them are transparent, so you can see your garden at all times from outside; and they offer great protection and solar performance. However, not all plastic greenhouses may be appropriate for your needs, which is why we have compiled a list of 8 best plastic greenhouses to make your search and purchase easier.

Topline Outdoor Mini Garden Greenhouse 

This greenhouse comes in a very practical design, and it is suitable for almost every space and weather condition. The steel construction is easy to assemble and doesn’t even require any tools to put it together. The transparent PVC cover makes sure that your plants get the perfect amount of light and protection from outside factors.

Key features

The main features of the Topline Outdoor Mini Garden Greenhouse are:

• Materials used: Alloy Steel, Plastic, Polyvinyl Chloride
• Simple and effective design
• Easy to assemble; no tools required
• The greenhouse is extremely lightweight so you can easily move it
• The PVC cover is durable and transparent
• Measurements: 27″H x 19″W x 27″L

Pros

• Prevents your plants from cold weather damage 
• Preserves warmth and sunlight for best growing conditions
• Ideal for both indoors and outdoors
• Perfect for raising and protecting seeds against frost and cold

Cons

• It does not have a flap or a door

Wildgreen Greenhouse, with Roll-up Zipper Door and Windows, Small Walk-in 3 Tiers 4 Shelves Stands 

The Wildgreen Greenhouse is the perfect choice if you are looking for a bigger and much stable build. 

With its amazing space inside and the roll-up door for easy access, this greenhouse allows you to have a face-to-face care for your plants without stepping out of it. Also, the wire shelves are an amazing feature that not every greenhouse utilizes.

Key features

The main features of the Wildgreen Greenhouse, with Roll-up Zipper Door and Windows, Small Walk-in 3 Tiers 4 Shelves Stands are:

• Measurements: 61” (L) x 28”(W) x 79”(H)
• It features 3 tiers and 4 wire shelves for your plants
• Easy access with its large roll-up door and windows
• Heavy-duty steel pipes used for durable construction
• The cover is high quality PE, which is eco friendly and odorless
• You can easily move it when seasons change
• Portable and lightweight

Pros

• The space is wide enough for sprouting young plants, seed, growing fresh vegetables, and blooming flowers 
• It’s large enough for you to walk in and take care of your plants
• Roll-up door and windows for better air circulation
• The mesh windows effectively protect your plants from pests
• The PE cover offers an amazing solar performance that nourishes your vegetables and plants
• Perfect for outdoor settings such as patios, backyards, balconies, gardens

Cons

• Some reviewers feel that it would be sturdier if there was extra fabric to weigh it down

Quictent Mini Greenhouse with 2 Covers, Mini Portable Green House 

If you are looking for a greenhouse that has both a compact build and also doesn’t lack space and accessibility, then this is the perfect one. With such a light weight, this greenhouse is incredibly easy to move around. It is perfectly stable due to the high-quality metal construction, and a thing that puts this greenhouse above others is the double cover option for maximum protection in different situations.

Key features

The main features of the Quictent Mini Greenhouse with 2 Covers, Mini Portable Green House are:

• Measurements: 71″ W x 36″ D x 36″ H
• Weight: 2.7 kilograms
• Materials used: Polyethylene, Alloy Steel, Polycarbonate, Polyvinyl Chloride
• PE and PVC covers (green and clear)
• PE cover has two large roll-up doors for easy access 
• PVC cover has a side zipper door for easy access
• Heavy-duty steel framework construction
• Waterproof and UV protected

Pros

• Comes with two effective covers, PE and PVC. Both of these covers feature doors for ventilation and easy access to your garden
• Ideal for both indoors and outdoors
• Convenient and lightweight to store away if needed
• Portable and easy to move
• The space is large enough for you to walk in and work on your garden

Cons

• If you make a mistake when assembling, it may be hard to step back and correct

SUNGIFT Walk-in Greenhouse for Outdoors, 3 Tiers 4 Shelves 

The Sungift Walk-in Greenhouse is an amazing choice if you want to store your plants outdoors. This highly functional greenhouse is built with the best quality steel, and it comes with a front roll-up door that allows you to walk in and out of it with ease. The side shelves make the storing of the plants very easy and the process of taking care of them, very fun.

Key features

The main features of the SUNGIFT Walk-in Greenhouse for Outdoors, 3 Tiers 4 Shelves are:

• Measurements: 61 x 28 x 79 inches
• Weight: 15 pounds
• Features a large zipped up door and two small windows on the sides
• Constructed with heavy duty tubes for durability 
• PE green cover, eco friendly and odorless
• Portable and easy to assemble by yourself without any tools

Pros

• Ideal for many outdoor settings such as balconies, patios, backyards, and gardens
• There is enough space for your flowers, vegetables, plants, and herbs
• The walk-in design is extremely convenient for you to work on your garden
• The shelves are durable enough to hold your seed trays, pots, and plants
• The PE cover protects your garden from UV, frost, and cold weather

Cons

• The zipper could improve

BLUU Greenhouse, Portable Green House Indoor and Outdoor, Mini Greenhouse kit with Anchors and Ropes 

If you need a heavy-duty built greenhouse that will endure pressure and harsh weather conditions, you will feel safe going for the BLUU Greenhouse. This amazing greenhouse comes with a total of 8 shelves for your plants. The assembly of the greenhouse is a very easy process due to the clear and thorough instructions and tools. It is perfect for every outdoor environment, made possible by the clear PVC cover that provides protection and visibility from outside.

Key features

The main features of the BLUU Greenhouse are: 

• Measurements: L56.29”xW56.29”xH76.77”
• Features 8 shelves, 4 on each side of the greenhouse
• The PVC cover protects your plants from small animals and provides them with a constant temperature
• The construction is made from heavy duty materials that can endure up to 18 pounds
• Rust-resistant
• One year warranty offered plus 24/7 customer service

Pros

• The walk-in design of the greenhouse makes it easier to tend to your garden
• The PVC cover nourishes your plants while also protecting them from small animals
• The shelves are strong enough to hold your pots, plants, and lights
• The set-up of the greenhouse is easy thanks to their thorough instructions and provided tools
• The transparent design is great to set it up anywhere and see your plants
• Excellent customer service

Cons

• Some reviewers feel that the greenhouse could be sturdier

VIVOSUN 4-Tier Reusable Mini Green House 

This VIVOSUN Greenhouse is the full package, with a build that is easy to store and saves a ton of space due to the vertical construction. Equipped with 4 very functional deep shelves, your plants will be safe thanks to the very durable double cover. The actual build of the greenhouse is very stable, and the high quality steel pipes are light and easy to assemble by anyone.

Key features

The main features of the VIVOSUN 4-Tier Reusable Mini Green House are:

• Measurements: 26.77 x 19.1 x 63 inches
• Weight: 10.58 pounds
• Constructed with durable heavy steel frames
• Durable PE cover with reinforcing fibers, which protect your plants from cold weathers and harmful rays while also providing good solar performance
• Features four deep shelves for different trays and pots
• Easy to assemble; no tools needed
• Features a roll-up zippered door that is highly convenient for you to tend to your garden
• Perfect for small and medium sized pots

Pros

• Ideal for indoors and outdoors
• Extremely lightweight and easy to move
• Constructed with heavy duty materials that make it sturdy and durable through all kinds of weather
• The 4 shelves are deep and can hold trays of seeds, pots with plants, etc.
• Easy to assemble and move around as it is portable

Cons

• Some reviewers say that it is not rust resistant

VIVOSUN Portable Green House with Roll-up Large Door 

If the vertical construction isn’t ideal for you, then this VIVOSUN Portable Greenhouse solves this problem in the best way possible. With its horizontal build, this greenhouse is amazing for outdoor environments and provides ample space for your plants. The high quality PVC grid cover makes sure your plants are safe and protected from any harm, including UV light. The access couldn’t be easier with the 3 zipper roll-up windows placed throughout the construction.

Key features

The main features of the VIVOSUN Portable Green House with Roll-up Large Door are:

• Measurements: 94.5 x 36 x 36 inches
• Weight: 10.28 pounds
• Perfect to use for growing fruits, vegetables, plants, flowers that require certain temperatures and growing conditions
• Three large roll-up zippered doors for easy access to the greenhouse
• The PE cover is high quality as it provides excellent solar performance while also protecting your plants and seeds from harmful rays or cold weather
• Easy to store if needed and easy to set-up with no additional tools other than the ones provided

Pros

• Good for temperature control and ventilation of your plants
• The PE cover is eco friendly and is highly effective for the nourishment of your plants and vegetables
• The greenhouse is sturdy and protects your garden from outside factors
• Ideal for growing vegetables, flowers, fruits, or any plant that requires certain growing conditions that this greenhouse easily provides
• Protects your garden from small animals trying to get in

Cons

• The zipper of the doors could improve

Quictent Mini Portable Greenhouse 

A smaller but not less efficient greenhouse is the Quintent Greenhouse. It is extremely easy to set up and comes with a very durable metal build and eco-friendly materials for cover that provide protection and stability for your plants in every weather condition. The cloth material around the greenhouse makes sure that it stays in place in windy and extreme weather conditions. Also, the four large zipper doors make sure that you can access the plants easily and quickly from any angle.

Key features

The main features of the Quictent Mini Portable Greenhouse are:

• Measurements: 98 x 49 x 53 inches
• Weight: 12.5 pounds
• Easy to set up
• Eco-friendly materials that are waterproof and offer UV protection
• Six stakes are provided that strengthen the tent during cold, windy weather
• Four large roll-up zipper doors so you can easily get in and out of the greenhouse
• Two big screen windows: you can adjust the sunlight and temperature inside
• Mainly designed for flower beds and gardens

Pros

• Easy access to your lovely garden with the four large roll-up zippered doors
• The two big screen windows make it convenient for you to adjust the temperature and sunlight accordingly
• There are six stakes that you can use to strengthen the construction whenever you feel that the weather might affect your garden
• Easy to store away if needed and move around due to being portable and lightweight

Cons

• Some reviewers feel that the set-up is not as easy as advertised

What to Look For When Buying a Plastic Greenhouse

The main thing you’re looking for in a greenhouse is protection for your lovely garden whether that be your plants, flowers, fruits or vegetables. And there are a lot of factors that go into making a greenhouse perfectly acceptable and suitable for protecting what you want to grow beautifully. There are four very important details to consider when you’re shopping for a greenhouse.

Material 

Two of the most popular materials that are used for greenhouses are PE covers and PVC. Both of these materials are effective and have their own advantages. PE covers are more environmentally friendly, which is always a plus. They protect your garden from harmless rays, frost, and small animals, and they are odorless. On the other hand, PVC covers are transparent, so you can easily see and enjoy your garden even from a distance, they protect your plants from small animals, and they keep the greenhouse at a constant temperature. 

Frame material

There are different and effective frame materials that can be used to construct a proper greenhouse. A great choice can be an aluminum frame which is relatively inexpensive, rust resistant, and easy to set up. A PVC frame is also a great choice due to the fact that it is UV protected, long-lasting, and offers insulation so it retains heat.

UV protection

If you want better protection and growing conditions for the plants in your greenhouse, you have to think about the UV protection that the greehouse provides. For example, if it is a glass greenhouse, it naturally blocks UV light, whereas some other materials may not. Three of the plastics that are used to resist UV light are polyethylene, acrylic, and polycarbonate. So make sure the greenhouse you pick has one of these materials in order to protect your garden from UV light.

Light transmission

Your lovely garden will of course need all the light it can get in order to grow beautifully. Therefore, you must pick the appropriate materials for a greenhouse that will provide the best light transmission. Greenhouses with glass panes are the best in terms of transmitting light. However, a greenhouse should also have the option of casting a shadow when needed. So look for ones that have large screen windows that you can control the light transmission with. Also, make sure not to place the greenhouse near a large tree or somewhere that will block the sunlight from getting into the greenhouse.

Conclusion

If you truly care about your plants, flowers, fruits, or vegetables, purchasing an effective greenhouse will improve the growing process and protect your garden while saving you time from having to invest too much time. And on top of that, plastic greenhouses are not too costly, are easy to install, retain heat, and thicker options are very resistant. What else could you ask for?