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10 (Top) Best Small Greenhouse Review

10 (Top) Best Small Greenhouse Review

A mini or small greenhouse is ideal for a hobby gardener having a limited grow space yet is very passionate about gardening. A greenhouse variously known as a glasshouse, hothouse, conservatory or orangery is a sophisticated structure ideal for farming and sheltering plants that are vulnerable to extreme heat or cold. To be specific, a glasshouse comes in perfectly handy for cultivating plants in a controlled environment.

Originally, greenhouses were simple structures whose roof and walls were usually of glass while the frame was made of wood. These glasshouses were initially used for growing out-of-season and weather-susceptible plants, but nowadays, the structures are used for farming throughout the year.

A modern-day greenhouse is a hi-tech structure used extensively for cultivating plants year-round and also serves as an active sanctuary for keeping foliage warm and safe.

You’ll come across midsize and small pop-up and lean-to glasshouses that are incredibly popular with novice gardeners and beginner growers. On the other hand, you’ll find full-scale greenhouses that are as massive as a shopping mall or a commercial complex. If you’ve just started with gardening and have a small backyard or balcony, then buying a little greenhouse is your best bet.    

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Small Greenhouse Buyers Guide

If you’ve limited space in your backyard or garden and wish to grow delicate or out-of-season plants, then a small greenhouse is the way to go. A miniature glasshouse can provide the optimal environment for developing a limited number of flowering, vegetable, and fruit plants. At the same time, a small or mini greenhouse can serve as an excellent haven for overwintering and protecting plants.

On the other hand, they occupy a tiny footprint, so you can easily place them on the patio or courtyard. Small greenhouses provide the best possible habitat for farming and sheltering a wide variety of fruit, vegetable, and flowering plants. The products are shipped and delivered in a knocked-down condition, and putting together the pieces should be easy provided you carefully follow the installation guidelines.

However, you could be spoilt for choice when it comes to shopping for a mini greenhouse that best fits your needs, especially if you’re a beginner. You’ll come across so many different types of products that you’ll have a hard time choosing the appropriate one. We have outlined and elucidated some crucial aspects that you should consider to make the selection process easier:   

The maximum space you can spare

It does not need to be emphasized that you’ve limited gardening or farming space as you’re thinking of buying a small greenhouse. Regardless of the amount of space you’ve in your backyard, patio, or living room, you’ll always find a companionable product. For instance, if your garden is too small to accommodate even a miniature glasshouse, you can choose a lean-to greenhouse for stacking up on the façade of your house.

You’ll also come across products that you can position on the window sill or ledge or the concrete/gravel space. Always consider the size of the greenhouse in terms of the product’s length, breadth (or width), and height.

Further Reading:

10 Best Pop Up Greenhouse Reviews

Nova Microdermabrasion Mini Walk-in Greenhouse Review

Best Choice Products 27x19x63in 4-Tier Mini Greenhouse Review

How much room do you require precisely?

The size of the greenhouse and the type you require also depends on the variety and number of plants you’re planning to cultivate. If you’re thinking of growing a small number of vegetables, flowering, and fruit plants, then you’ll have to buy a glasshouse with several tiers. Opting for a greenhouse with multiple tiers with shelves on either side allows you to keep your plants well-organized.

The Greenhouse Type

You’ll have to decide at the outset on the greenhouse type that’ll be most suitable for you before considering the size and features. For example, you’ll have to select a portable greenhouse starter kit if you’re looking to germinate seedlings for raised-bed gardening. And if you want a product for overwintering plants and/or extending the growing season, you can go for a cold-frame greenhouse.

Frame and covering material

Pay close attention to the materials used for constructing the greenhouse as they alone influence the product’s performance and longevity. Tempered glass, fiberglass, polycarbonate, and polyethylene are the materials commonly used for making a greenhouse’s roof or covering. Crystal clear fiberglass and tempered glass covers allow maximum sunlight transmission and also act as excellent thermal barriers, trapping optimum heat.

Therefore, greenhouses with a tempered glass or fiberglass roof also tend to be more expensive than their counterparts featuring a PE or polycarbonate covering. A greenhouse with a powder-coated steel or hardwood frame is more durable and resilient than one featuring a polycarbonate or plastic frame. 

Shelving

Almost all small or mini-greenhouses come with shelves or racks for holding plant pots. The more shelves a greenhouse has, the more the pots you can place and also keep your plants better organized. Detachable and adjustable shelves also go a long way in helping you to keep all your plants in order.

Ease of installation and transportability

Since you’re opting for a small greenhouse, it goes without saying that it should be easy to install and portable. These features matter because you’d want to quickly dismantle the greenhouse in case of a storm or torrential rain and reinstall it indoors.

Thermal insulation and ventilation

Go for a greenhouse that facilitates good air circulation during summer to keep plants from getting overheated. Conversely, it should support optimal sunlight diffusion for promoting photosynthesis and thermal insulation for keeping plants sufficiently warm during the winter season. 

Best Choice Products 4-Tier 

(My Best Choice Products – Offers the best value for money)

  • Roll-up zippered door facilitates ready access to the greenhouse.
  • The 4-tiered compact profile takes up a minimal footprint
  • Included plastic connectors for easy assembly and installation
  • PE plastic cover
  • Powder-coated steel shelves and bars

Pros & Cons 

Here are the main system advantages and disadvantages

Pros

  • Heavy-duty PE covering guarantees year-round protection from inclement weather
  • Scrupulously designed 4-tiered structure with shelving on either side for keeping plants organized and safe
  • Adjustable racks for facilitating placement of both large plants alongside small ones
  • Hardwearing PE cover and powder-coated premium steel tubular frame make the structure sturdy and versatile
  • The structure’s compactness and portability enables smooth shifting from one place to another

Cons

  • Many customers have reported that the structure is somewhat fragile
  • Removing a couple of shelves could make the greenhouse unstable

If you’re looking for a small and compact greenhouse that’ll sit comfortably in your backyard or balcony, then buy the 4-Tier Mini Greenhouse. This 4-tiered mini greenhouse by Best Choice Products has been designed with painstaking care, keeping the glasshouse gardening needs of hobby horticulturists. The translucent covering of this miniature greenhouse is made of premium polyethylene that helps transmit and diffuse the right amount of sunlight.

Alternatively, the powder-coated steel shelves and supporting bars are capable of withstanding the elements and also resistant to rust. The durable structure guarantees to protect your plants from rains, storms, sleets, and extremes of temperature. The four distinct shelves come in handy for keeping your vegetation well-organized while the heavy-duty stakes and guy ropes help maintain stability.

Gardman R700 EMW7486467, 5 tier

  • Measures 27” x 18” x 79”; perfect for placing in a small courtyard or balcony
  • Sturdy tubular steel scaffolding
  • Crystal clear plastic covering
  • Roll-up zippered door for instant access
  • Strategic frame design for easy and quick assembly

Pros & Cons 

Here are the main system advantages and disadvantages

Pros

  • Solar-powered structure helps you save on utility costs
  • Robust tubular steel frame featuring a firm push fit allows you to assemble this structure without using any tools
  • Roll-up zippered door with weather-resistant toughened PE cover facilitates quick and ready access
  • Gives saplings, seedlings, and seeds a head start
  • Suitable for installing in small patios, courtyards or balconies

Cons

  • Fragile construction: could get knocked over even during a light storm
  • The covering is not as heavy-duty as claimed by the manufacturer

The Gardman R700 EMW7486467 5-Tiered Greenhouse offers the most favorable environment for growing susceptible plants like tomatoes, snapdragons, and petunias. This greenhouse from Gardman comes with five separate shelves that enable you to keep all your plants in an orderly manner.

The hardwearing green toughened polyethylene covering tends to be more durable and resilient compared to transparent plastic covers. Every shelf of this greenhouse has two sections that can be detached for accommodating a large plant, unlike standardized greenhouses that have fixed and self-contained shelves. As this Gardman R700 greenhouse is solar-powered, you don’t need to invest in a heater for keeping the structure warm during winter resulting in savings.  

The R700 EMW7486467 greenhouse is ideal for houses with a small balcony, patio, or backyard.

Best Choice Products 4-Tier 27x19x63

  • Roll-up zippered door facilitates ready access to the greenhouse.
  • The 4-tiered compact profile takes up a minimal footprint
  • Wheels at four corners of the base makes the structure mobile
  • Triangular-style top provides extra space for placing large plants
  • Detachable and adjustable shelves
  • Transparent waterproof and hardwearing PVC cover  

Pros & Cons 

Here are the main system advantages and disadvantages

Pros

  • Shelves and frame made of durable tubular steel can support plant pots weighing 24lbs
  • Removable casters for quickly shifting the greenhouse or keeping it fixed in a spot
  • Sturdy construction means you can position it both indoors and outdoors
  • Doubles up as storage for safekeeping your gardening supplies
  • The weighted flap that can be rolled upwards for convenient access

Cons

  • The casters may not move on an uneven or rough surface and may not work if the unit is full
  • The cover gets overly hot when the unit is under direct sunlight
  • The shelving frame may come apart while you’re trying to shift the unit

The 4-Tier Mini Greenhouse by Home-Complete is one of the most versatile miniature conservatories offering good value for your investment. This small greenhouse from Home-Complete is very compact and durable, occupying minimal space in your patio and staying functional for years. The structure’s heavy-duty design allows you to keep it outdoor during the summer when it’s excessively hot or place it in the garage during freezing weather.

This mini greenhouse has reinforced steel racks or shelves in its four tiers that can hold quite a large number of small plants and few large plants. The structure comes equipped with castors which allow you to easily wheel it from one place to another. The greenhouse is a freestanding structure that remains firm and stable even on a rough or uneven surface.   


IKEA Indoor/Outdoor Greenhouse by IKEA –Best Renovated Greenhouse

  • Polyester powder-coated steel frame
  • The rest of the components are made of polystyrene
  • Furnishes optimal environment for sprouting seeds and cultivating plants
  • Renovated and revamped structure that works excellently and looks brand new
  • Packaged in a standard box and delivered with a complete set of accessories

Pros & Cons 

Here are the main system advantages and disadvantages

Pros

  • Hardcover greenhouse protects plants from predators and pests
  • Signature design boosts the aesthetics of the environment where it is placed
  • Crystal-clear polystyrene walls offer a clear view of the interiors
  • Can be used for ornamental purposes apart from being used as a greenhouse
  • Roof vents can be opened partially for promoting ventilation

Cons

  • The top section of the structure is somewhat fragile
  • Not sealed properly
  • Quite heavy going by its size

IKEA is a world-class and renowned manufacturer of furniture and a household name in the furnishings market.       So you can rest assured that the company’s indoor/outdoor greenhouse will stay in service for long and also boost the surroundings’ aesthetics. This topnotch glasshouse from the house of IKEA has 136 sq. Inches of room for placing bushes, shrubs, and herbs.

This indoor/outdoor IKEA greenhouse is a hardcover tall glasshouse that is ideal for sites overrun by predators like backyard squirrels. The unmistakable and inimitable IKEA styling and imprint in the clear siding and frames add to the décor of the surroundings. Apart from using this structure for growing and sheltering houseplants, you can also use it for decorative or embellishment purposes.

Quictent Portable Cloche Mini Greenhouse

Miniature Greenhouse with maximum space

  • The size is compatible for a small gazebo, pergola or backyard
  • Prominent zippered doors
  • Transparent polyethylene cover allows quick access and promotes air circulation
  • Adequate space for accommodating a good number of plants

Pros & Cons 

Here are the main system advantages and disadvantages

Pros

  • Transparent waterproof, resilient PE cover for better sunlight diffusion
  • Durable powder-coated steel framework ensures an extended functional life
  • 50 PCs of white T-style tags included for labeling your plants
  • Spacious enough for accommodating seedling beds and sizable plant pots
  • Dual roll-up zippered door panels for easy access and boosting ventilation

Cons

  • The structure could get overheated during summer which could thwart cross-ventilation
  • The PE cover may disintegrate sooner than later

If you’re looking for good reasons to choose the Quictent Portable Greenhouse with big zipper doors, you will find many. For a start, Quictent is a well-known and reputed manufacturer of camping tents, gazebos, grows tents, marquees, and greenhouses. The 71” x 36” x 36’ portable cloche mini greenhouse from Quictent serves as the ideal glasshouse for small backyards incapable of housing a traditional greenhouse.

The sturdy powder-coated galvanized steel scaffold makes the structure hardy and resilient while the transparent PE cover promotes ventilation, and offers ready access. Despite the greenhouse being compact, it has an ergonomic profile allowing you to house many plants in a limited space. You can place the greenhouse atop another surface or position it straightway on the ground. 

Educational Insights GreenThumb Greenhouse with Vinyl Cover by Educational Insights

Most Adaptable Greenhouse

  • An incredibly versatile greenhouse that finds widespread applications
  • The two-tiered structure can be set up in minutes
  • Ideal for placing on the patio, balcony, tabletop, and many other indoor or outdoor sites
  • Zippered entrance for ready access to plants

Pros & Cons 

Here are the main system advantages and disadvantages

Pros

  • Twin-tiered greenhouse featuring two robust wired shelves steadily hold plant pots
  • Crystal clear vinyl cover aids in excellent sunlight diffusion
  • The prominent zippered opening provides instant access and preserves plants throughout the year
  • Can be comfortably positioned in a small enclosure

Cons

  • Wired shelves vulnerable to rusting
  • May not be suitable for keeping outside in extremely hot or cold weather

Even though Educational Insights promotes the GreenThumb Greenhouse for educational purposes, hobby gardeners will find the structure very versatile. Designed with meticulous care, this Educational Insights greenhouse comes across as supremely handy for any beginner or novice gardener. On the other hand, it's sturdy build ensures that the structure can withstand rough handling by schoolchildren as well as backyard predators.

Gosunny 4-Anchors Walk-in Greenhouse Green

Best of the Best Small Greenhouse

  • Simple set up and dismantling
  • Walk-in design and zippered roll-up door for instant access
  • Spacious enough for housing various flowering, vegetable and fruit plants
  • 140G PE mesh reinforced covering
  • Included four nails for firm anchoring to the ground
  • Translucent cover promotes excellent sunlight diffusion and thermal insulation

Pros & Cons 

Here are the main system advantages and disadvantages

Pros

  • Supremely suitable for overwintering young plants and growing saplings
  • Twelve sturdy meshed shelves offer sufficient space for different housing types of plants
  • Hardwearing reinforced PE cover makes the unit durable and connects effectively with fasteners for convenient installation
  • Can be comfortably moved indoors or outdoors with the change of season
  • The PE cover is waterproof as well as offers protection from UV rays and inclement weather  

Cons

  • Shelves not sturdy enough for large or tall plants
  • Zipper on the roll-up door panel is a tad flimsy

Choosing the Gosunny 4-Anchors Walk-In Greenhouse offers you handsome returns on investment, allowing your plants to not only survive but also thrive. Comprising a sturdy polyethylene cover along with a heavy-duty steel frame, this walk-in greenhouse from Gosunny remains functional for years. Additionally, the guy ropes and stakes keep the unit firmly anchored to the ground during a strong gust or storm.

The structure features twelve wired shelves come in very handy for keeping all your plants well-organized. The roll-up zippered door furnishes ready access when you need to inspect your plants and also aid in air circulation. Easy to install and disassemble, you can shift the greenhouse indoors when the weather too chilly.

Most importantly, setting up this greenhouse is a breeze, as you don’t need any tools for the same. You simply need to follow the assembly instructions carefully for installing this structure. The portability and compactness of this unit ensure that you can comfortably transfer it from one site to another.

Giantex Garden Portable Wooden Cold Frame Greenhouse

Most Sturdy Greenhouse

  • Two parts on the top are foldable for easy opening and closure
  • Dual-shelved for housing a more significant number of plants
  • Frame composed of high-quality hardwood
  • Detachable components for quick and fast assembly, disassembly, and transfer
  • Extremely durable and resilient

Pros & Cons 

Here are the main system advantages and disadvantages

Pros

  • Perfect for positioning in your backyard, courtyard or even inside your living room
  • Frame constructed from the PC board and Chinese fir; extraordinarily robust and resilient
  • Handy and versatile glasshouse ideal for overwintering and growing out-of-season plants
  • Foldable top sections open and close comfortably for letting in sunlight and preventing rainwater seepage

Cons

  • The shelves are not adjustable
  • Slant roof reduces the clearance of the topmost shelf at the front
  • Could get unusually cold during the winter when kept outdoors

If sturdiness and versatility are what you look for in a greenhouse, then don’t look beyond the Giantex Garden Greenhouse. The shelves and frame linings are made of solid large wooden planks that lend incredible durability to the structure. Dual-box feature ensures that you can cultivate your choice plants throughout the year as well as overwinter delicate plants.

The sturdy frame crafted out of fir effectively shields your plants from rain, snow, extreme heat, or cold. At the same time, the tempered glass panels supported by a wooden frame reflect and diffuse optimum sunlight for the healthy growth of plants. You can easily position this small and compact greenhouse in your balcony, garden, backyard, or even in your living room.

Homewell Walk-In Greenhouse

Most Versatile Walk-In Greenhouse

  • Comfortable installation and break down
  • Very portable
  • Hardwearing powder-coated tubular steel frame
  • Toughened transparent polyethylene cover
  • Three wired shelves on each side with each holding up to 75lbs of supplies

Pros & Cons 

Here are the main system advantages and disadvantages

Pros

  • Measuring 29” x 56” x 77”, the structure can accommodate plenty of potted plants
  • Can be set up and disassembled quickly without using tools
  • Transparent PE cover for diffusing maximum sunlight and promoting thermal insulation
  • Provides optimal greenhouse habitat for farming and extending the growing season
  • Very useful for hobby horticulturists, home gardeners, and potential botanists

Cons

  • The unit could get blown away if not firmly tethered to the ground
  • The shelves are not as hardwearing as claimed by the manufacturer

The Mini Walk-In Greenhouse from Homewell features six wired shelves in three tiers for farming young plants and starting saplings. This walk-in greenhouse from Homewell also comes in handy if you’re looking to extend the growing season and for overwintering. The spacious profile ensures that you can shelter and farm quite a large number of small plants as well as house your gardening supplies and tools.

The stacked design implies that you can place more plants pots in a specific area. The powder-coated tubular steel frame furnishes steady support to your seedling trays and potted plants. The detachable transparent plastic cover, together with the roll-up zippered front panel, transmits optimum sunlight and locks in solar energy for boosting growth.

Ohuhu Greenhouse for Outdoors with Observation Windows –Largest Greenhouse in the small category

  • New and upgraded design typified by two Velcro windows
  • The 4-tiered compact profile takes up a minimal footprint
  • Included plastic connectors for easy assembly and installation
  • Twelve wired shelves for small housing plants, gardening tools, and supplies
  • Roll-up zippered door panel
  • Four-corner joints for smooth installation

Pros & Cons 

Here are the main system advantages and disadvantages

Pros

  • Six wired shelves on either side for different housing vegetable, fruit, and flowering plants
  • Dual Velcro side windows and roll-up zippered door facilitates ventilation, quick observation, and smooth access
  • Rust-resistant tubular structure boosts durability and holds a large number of plant pots
  • Detachable and removable components for easy assembly, dismantling and shifting

Cons

  • Instructions for an assembly run into 53 pages that could overwhelm any gardener
  • The shelves do not sit firmly on the frame
  • The plastic connectors could crack in due course

The Ohuhu Large Walk-in Greenhouse for Outdoors has been innovatively and painstakingly designed for ensuring healthy growth and development of plants. On the other hand, the sturdy design of this greenhouse offers your plants comprehensive protection from unpleasant and inclement weather. You can bet that this Ohuhu walk-in outdoor greenhouse will stand the test of time as its structure is made of sturdy rust-resistant tubes.

This greenhouse by Ohuhu features twelve shelves made out of heavy-duty wired material that lets you accommodate gardening tools, pots, and small plants. Dual Velcro side windows and roll-up zippered doors facilitate excellent circulation of air and thorough access at any time.  If you’re looking for a versatile glasshouse for starting saplings and overwintering young plants, then go for this Ohuhu greenhouse.

Conclusion

Selecting the ten best small greenhouses for this review was indeed an uphill task as there were so many brands to pick and choose from. After meticulously sifting through various products, we want products of reputed brands like Best Choice Products, IKEA, Ohuhu, Gardman, Quictent, and Educational Insights. If you’re looking for the best of the best product, go for the GoSunny greenhouse, and if you want the best returns on investment, then buy the Best Choice Product’s conservatory.

Robert Davis

What started as a personal experience to improve my overall health by growing my own food has turned into a mission to share my experience and my own research. Growing your own food and eating healthier food is something that everyone has to try.

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