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Top 10 Best Mini Greenhouse Reviews in 2022

When your plants overgrow your windowsill, the next step is usually a greenhouse. If you lack the space for a full-blown greenhouse, then a mini greenhouse becomes an attractive option. Mini greenhouses are ideal for planting a wide range of vegetables, including peppers, tomatoes and aubergines.

With a wide selection to choose from, picking one greenhouse over the other could be stressful. We have prepared this list of the top 10 mini greenhouses in 2022, in the hopes that it will help you to make a better purchase decision.

Mini Greenhouse Buying Guide

There are important issues to consider before making a greenhouse purchase. These include the size of the greenhouse, the materials used in its construction, ventilation and insulation issues.

– Size
Size is obviously the first issue to be considered. Since it’s a mini greenhouse, knowing the amount of space available is important. If the greenhouse is too big, then you will have no space for it, and if it is too small, then you have not optimized your space. So take measurements first, and know how much space you actually have.

– Materials
Most mini greenhouses are covered with plastic sheets, as a glass is usually beyond the budget here. This leaves the material for the frame. Metal and wood are the major options, although metals like aluminum or steel last longer than wooden frames, and are more used. Wood is still a great material, but it is more suited to special cases.

– Ventilation
Depending on the size and style of the greenhouse, ventilation should be considered. Most mini greenhouses offer a roll-up entrance that is also used for ventilation. Larger greenhouses may offer roll-up windows on the sides, so you have to make sure that you will be able to ventilate the greenhouse when needed, by planning for enough space around it.

– Insulation
While most mini greenhouses feature plastic covers, the thickness and the clarity of the material is another issue. You can have clear covers, diffused and semi-diffused covers. For general use, diffused covers are more preferable, while clear covers are better suited for germinating seeds only. Depending on the weather conditions in your location, you may also want to consider thicker or multi-walled covers for better insulation.


10. Best Choice 4-Tier Mini Greenhouse

This Best Choice mini greenhouse offers 4 shelves to hold your plants or gardening items. It is made from powder-coated steel and therefore quite sturdy and corrosion resistant. The greenhouse comes with its very own fitted polyethylene cover, with a roll-up zippered door in the front. This gives easy access to the plants, and serves for ventilation as well. Furthermore, the entire structure is very easy to assemble, and does not even require any tools. It measures 27.25 (L) x 19 (W) x 63 (H) inches.

  • Pros: Made with powder-coated steel bars, roll-up zippered door, easy assembly.
  • Cons: N/A

9. Gardman R700 Heavy-Duty 5-Tier Greenhouse

Gardman’s R700 is a 5-tier mini greenhouse with even more space for your plants. It is built using a tubular steel frame, which is easy to assemble without tools, and yet quite sturdy. The cover is made from heavy-duty and reinforced polyethylene. It features a roll-up zippered door for quick, easy access to the plants, and for ventilation as well. This greenhouse measures 27 (L) x 18 (W) x 79 (H) inches, and is perfect for balconies and small backyards.

  • Pros: Made from tubular steel frames, heavy-duty and reinforced polyethylene
  • Cons: N/A

8. Outsunny 01-0468 Portable Backyard Flower Garden Greenhouse

For those with more garden space, Outsunny’s 01-0468 can quickly provide your plants with that needed protection from extreme weather conditions. Made with a lightweight, powder-coated and durable steel frame, this greenhouse can also be moved easily from place to place. The cover is made from PVC, and its zippered door allows for easy plant access and ventilation. It’s straight pipes have a 16*0.3mm tube thickness, while the elbow pipes have a 16*0.45mm tube thickness. The greenhouse’s overall measurement is 7 (L) x 3 (W) x 2.6 (H) feet.

  • Pros: Powder-coated steel frame, durable PVC cover, roll-up zippered door.
  • Cons: Provides no shelves.

7. Gardman R691 4-Tier Steel Frame Greenhouse

For people with a greenhouse, shed or garage space, who just need a shelf, this 4-tier Gardman R691 is the perfect solution. It provides shelf space for your plants, but does not provide any cover. This makes it unsuitable for outdoor use, although its steel frame features a green powder-coat finish. On the other hand, it is quite sturdy and measures 35 (L) x 11 (W) x 42 (H) inches.

  • Pros: 4-tier, made from the durable tubular frame, 31% discount.
  • Cons: Provides no cover.

6. Quictent Portable UV-Protected Greenhouse

This Quictent greenhouse is for those who have a garden already, and want to keep their plants protected. It is made using heavy-duty and powder-coated steel. Its cover is reinforced and transparent PVC, with UV protection and additional ropes to firmly fix it to the frame. you can use this greenhouse anywhere you choose because it is quite easy to move around. It features 2 windows for ventilation, plus a door for full access to your plants. The complete construction measures 71 (L) x 36 (W) x 36 (H) inches.

  • Pros: Powder-coated and heavy duty steel framework, reinforced PVC cover, stylish design.
  • Cons: N/A

5. Flower House X-Up Shelves Greenhouse

Flower House presents the X-Up frame, which is a revolutionary greenhouse frame system. It makes the setup and take-down of this portable greenhouse very easy. You simply lift the frame, which has hinged steel bars, up. Then lock it in place with a sidebar, attach the roof supports, the shelf trays, and finally, cover the entire greenhouse. Its cover is made from clear plastic, and it has a roll-up door. Harvest House also offers a variety of net, Gro-Tec and clear covers, and a pro version of the greenhouse that offers more space inside. It measures 30 (L) x 80 (H) inches.

  • Pros: Easy to use X-Up frame, sets up everywhere, comes with a cover.
  • Cons: A little costly.

4. Quictent 3-Tier Walk-In Mini Greenhouse

This greenhouse from Quictent features 3 shelf levels on each side. Designed with heavy-duty and powder coated steel, each shelf can withstand up to 17 lbs. of weight each. The shelves are also flexible, and can be easily removed to create more space for a plant. It comes with its own clear PVC cover, which has a zippered roll-up door. The cover is 100% waterproof, offers UV protection, and will keep dust and insects away from your plants. The complete construction measures 56 (L) x 29 (W) x 77 (H) inches.

  • Pros: Very sturdy construction, 17 lbs. max weight per shelf, ISO 9001:2000 certified.
  • Cons: N/A

3. Abba Patio Walk-In Mini Greenhouse with Large Door

Abba Patio is a top designer of gardening products, and this is easily seen from this greenhouse. The black and white combination makes it a sight to behold. It features 4 windows for ventilation, 2 on each side, and all covered with netting to protect against insects. There is a large 2-zipper door, for ventilation and easy access to the plants. The cover material is a transparent Polyethylene, and the entire greenhouse measures 6 (L) x 8 (W) x 7.5 (H) inches.

  • Pros: Heavy-duty powder coated steel frame, 4 roll-up windows with netting, 2 zippered doors.
  • Cons: No shelves.

2. Best Choice SKY1917 Tunnel Walk-In Green House

If you need a spacious, strong and affordable greenhouse, then this Best Choice greenhouse is worth a closer look. With its 15 (L) x 7 (W) x 7 (H) feet dimensions, you can easily create the garden of your dreams. It’s translucent, green Polyethylene cover provides diffused lighting and protection from rain and the wind. There are 4 roll-up windows on each side of the greenhouse, perfect for lighting and ventilation control, plus a large zippered door. The frame is made from a silver powder-coater steel for durability and style.

  • Pros: Spacious, 8 roll-up windows with screens, high-quality powder-coated steel frame.
  • Cons: N/A

1. Palram Nature Series Mythos Solid Walk-In Mini Greenhouse

If you want the ultimate mini greenhouse, then this offer from Palram can be difficult to resist. It is a walk-in greenhouse, but unlike the other greenhouses in this 2017 top 10 greenhouses review, this one is solid. The structure is made from corrosion-resistant aluminum, and features 4mm thick twin-wall polycarbonate panels. They are not exactly glass, but they block about 99% of UV rays, and provide the plants with diffused lighting. There is also a roof vent, with rain gutters, a galvanized steel base, and a lockable door. It measures 97 (L) x 73 (W) x 82 (H) inches, and Palram backs it up with a 5-year limited warranty.

  • Pros: High-quality aluminum frame, twin-wall polycarbonate panels, 27% discount.
  • Cons: N/A

The Palram greenhouse is obviously our favorite, and therefore also in the number #1 position. If its price is above your budget, then the number #2 and #3 greenhouses are also great. Else if you need something smaller, then use measurements to find your perfect mini greenhouse.



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