Top 7 Best Greenhouses For Winter Reviews (2022 Updated)

best greenhouse for winter reviews

Winter is harsh for both humans, animals, and plants. But the most challenging part of it is that you have to deal with your beloved plants and flowers that you have grown a few months before. The best greenhouse for winter protection is an effective solution to keep your garden surviving when the days are getting shorter.

Let’s explore the 7 following top-rated greenhouses that many professional gardeners worldwide and I use to cultivate plants, flowers, and veggies.

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Top 7 Best Greenhouses For Winter 2022

Product ImageProduct NameFeaturesPrice
KING BIRD 15’x6.6’x6.6’ Upgraded Large Walk-in GreenhouseBest overallSee latest Price
Palram Bella Hobby Greenhouse 8' x 8'Best hobby greenhouse for winterSee latest Price
Patiolife Garden Dome 12ftIgloo shape for multipurposeSee latest Price
Palram Four Season Chalet Hobby GreenhouseRoomy capacitySee latest Price
EAGLE PEAK 9'x4' Portable Lean to Walk-in GreenhouseEasy installationSee latest Price
Giantex Garden Portable Wooden Cold Frame GreenhousePerfect decor for patio & balconySee latest Price
Topline Outdoor Mini Garden GreenhouseGood for raising seedsSee latest Price

In-depth 7 Top Rated Greenhouses For Winter Growing Reviews

1. KING BIRD 15’x6.6’x6.6’ Upgraded Large Walk-in Greenhouse – Best overall

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This heavy-duty greenhouse kit from King Bird has all the essentials you need to keep your garden thriving all year long. It boasts a big sizing of 15 x 6.6 x 6.6 feet, which is ideal for growing various vegetables, tropical plants, and so on.

But the most notable part of this best-selling greenhouse is that it has sturdy construction to protect your plants throughout harsh winter weather. Its main framework is galvanized steel, consisting of 3 crossbars on the roof and 10 poles at the bottom. Besides, there are 20 stakes and 4 ropes to keep the whole structure strong against hard rain, wind, and snow all year long.

In winter, your plants need to exchange the air inside every 2 to 3 times per hour at moderate temperature and lessen possible damage risks. Thanks to the 2 double-layered entrances, they can always receive fresh air with fewer manual adjustments.

The outer layer is made of 140g/m2 PE with UV protection level 6 that can last for 1 year, while most conventional items on the market have UV protection level 3 and can last from 3 to 6 months.

The inner screen door allows only fresh oxygen while keeping your plants away from uninvited guests like bugs, insects, wild animals, and pets.

Nonetheless, you can maximize ventilation for your greenhouse on hot summer days since there are also 8 screen windows and 2 vents on the two entrance doors that can be opened or closed anytime.

Pros Cons
  • Spacious for growing many types of plants
  • Galvanized-steel main framework with reinforced parts
  • 2-layered entrance doors for maximum UV protection, ventilation, and insect protection
  • 8 screen windows and 2 vents for maximum ventilation
  • No detailed instruction

2. Palram Bella Hobby Greenhouse 8′ x 8′ – Best hobby greenhouse for winter

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When picking up a free-standing greenhouse for a long Texas winter from December to January, gothic-roof greenhouses like Palram Belle Hobby are becoming more popular than hoop-roof ones. The reason behind its popularity goes beyond its appealing appearance.

This roof shape is also better at wind resistance while preventing snow build-ups. Since it is rust-resistant, you can use the greenhouse for years with little maintenance effort.

Another reason that makes this Palram greenhouse a practical choice for garden hobbyists is its solid construction.

First, it comprises many 6mm double-wall polycarbonate panels that allow natural light to come in while blocking up to 99.9% of harmful UV rays. Light diffusion brings many benefits for your vegetation crops, like higher leaf count, lower crop temperature, higher yield crops, and shorter growing time.

Second, it offers a galvanized steel base and a lockable door knob to keep the whole house strong against brutal snowstorms.

Third, you can adjust the temperature and humidity inside by opening or closing the roof vents.

This greenhouse offers you a total of 64 square feet for planting and cultivation, with extra 7 feet on the headroom. The kit comes with a 5-year limited warranty with US-based customer support.

Pros Cons
  • Gothic-shaped roof for snow shedding and wind resistance efficiency
  • Unbreakable twin-wall polycarbonate walls
  • Adjustable roof vents
  • 5-year limited warranty
  • Quite expensive

3. Patiolife Garden Dome 12ft – Igloo shape for multipurpose

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Why hide your beautiful flowers inside a colored greenhouse while you can show them all in this crystal-clear building? Its crystal appearance makes Patiolife Garden Dome the best greenhouse for snow watching when you and your plants are cozy inside with a small electric heater.

If you are curious to know more about the protection capability of this igloo dome, here is the thing. It has a strong 16mm ABS frame, a thickened PVC screen, and a polyester mesh to keep your plants safely growing inside while allowing natural light to spread evenly to all plants in the house.

The geodesic shape enables this dome to maintain a constant airflow and temperature inside – the two essential criteria to keep your plants thriving all year long. It can also stand against complex weather elements. It can sustain strong winds up to 31 mi/h and a maximum snow weight capacity of up to 90 pounds.

You can utilize this unique greenhouse as an area for organizing outdoor events and family activities. It has a diameter of 12 feet, a maximum height of 7 feet, and a base ground of 107 square feet.

A short notice you should know about this greenhouse: the wrinkles on the PVC screen will be flattened gradually in direct sunlight. Although they sound weird at first use, it doesn’t affect your experience.

Pros Cons
  • Can be used for growing plants or an area for family outdoor activities and events
  • Sturdy construction to protect your plants against all harsh elements
  • Igloo shape with crystal-clear your backyard garden
  • A 10-meter LED light string included for party decoration
  • Some wrinkles on the PVC at first uses

4. Palram Four Season Chalet Hobby Greenhouse – Roomy capacity

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In Northwest territories where winter can last for 9 months, how to show the beauty of your garden without freezing them? This Four-Season Chalet Greenhouse from Palram has got you covered.

The premium design of this year-round greenhouse in cold climates allows you to plant seedlings in all kinds of weather. The 4mm twin-wall roof panels and the polycarbonate wall panels allow up to 90% light transmission while blocking 99.9% UV rays from burning your plants.

Besides, it features a rust-free aluminum frame from hard winds or extended snowfalls.

Apart from its sturdiness, the see-through appearance and roomy capacity of this greenhouse maximize your gardening capability. It offers you a broad 95 square feet and extra headroom for growing various plants – veggies for your family dinners, tropical plants, and colorful flowers.

Assembling this greenhouse is easy, but it requires more than one person due to its heavyweight of 219 pounds. Along with the greenhouse, there is an anchoring kit, threshold ramps, and 2 roof vents.

Pros Cons
  • Thick roof and wall panels to lock 99.99% UV rays
  • See-through appearance
  • Heavy; require more than one person for assembly

5. EAGLE PEAK 9’x4′ Portable Lean to Walk-in Greenhouse – Easy installation

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The spring is regularly short and unpredictable in the Northeast. While summer has come to some areas, there might be some frosting areas. This lean-to EAGLE PEAK greenhouse is the best greenhouse for Northeast weather.

You can extend your growing season while enjoying your garden view via the window. Even if you have just started your gardening hobby, this portable house provides an ideal environment for your newly planted fruits, flowers, and veggies to survive and thrive well.

The sizing of 9×4 feet with two entrance doors on two sides is appropriate for placing a shelving system, taking care of your plants, and allowing them to grow freely in every direction. You can also extend the headroom with 3 height-adjustable legs.

This greenhouse weighs only 28 pounds, making it ideal for placing indoors or outdoors, transportation, or taking down for storage. You can place this lean-on greenhouse on your patio, balconies, decks, or next to your home or garage.

Easy installation is another critical advantage of this portable greenhouse. It comes ready to install with no special tools required or the helping hand of anyone else. Just slide to open the frame, then attach the PE cover to finish.

Check more 7 Best portable greenhouse here!

Pros Cons
  • Easy installation
  • Weather-resistant
  • Two entrance doors for easy access and care
  • Open doors can’t retain the heat inside well
  • No specifications on wind and snow resistance

6. Giantex Garden Portable Wooden Cold Frame Greenhouse – Perfect decor for patio & balcony

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If you are looking for a portable greenhouse for your small backyard garden, this wooden Giantex house with dimensions of 30 x 22.4 x 42.9 inches won’t disappoint you. Its double shelving system offers more space for small plants without taking up much space in your property.

This greenhouse is manufactured of Chinese fir wood, lightweight, soft, easy to dry, and hard to deform. Thus, you can place this house outdoors with no worries.

Plus, the two foldable doors can be opened to let your plants get maximum sunshine in or closed on hard snowfalls or windy days. You can also keep these doors fixed with two bolts in the product package.

Although this Chinese fir wood greenhouse is hard to deform, it can be broken under high temperatures. Besides, you should be very careful when taking care of and maintaining this wooden house. Otherwise, there will be cracks that are hard to repair.

Another drawback of this portable greenhouse is that there is no window or vents on the roof or mesh to keep your plants away from bugs, insects, and wild animals.

Pros Cons
  • Can be used indoors or outdoors
  • Made of heavy-duty Chinese fir wood
  • No protection mesh cover for bugs, insects, and wild animals
  • This softwood type requires more maintenance effort than hardwood ones.

7. Topline Outdoor Mini Garden Greenhouse – Good for raising seeds

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If you are new to gardening or have little experience in this hobby, you don’t want to break your bank account with an expensive greenhouse. This mini greenhouse from Topline is affordable yet includes everything you need to start growing your first plants.

This greenhouse boasts a weight of 2.84 pounds, which is easy to install by one person. It consists of a durable PVC cover, steel tubing, and plastic corner connections that won’t rust in high moisture conditions.

Despite its high portability, this greenhouse has two pitfalls.

First, there is no UV protection warranty for the cover. Thus, I wonder if my plants will be burned on hot summer days.

Second, there are no doors or windows to maintain fresh air flow inside the greenhouse. You can only lift the whole house up to water your plants, which is inconvenient. If the temperature inside is too high, your plants can be damaged.

Pros Cons
  • Affordable
  • Lightweight, easy transportation/storage
  • No UV protection
  • No ventilation/insulation system for harsh summer or deep winter

My Top Pick 

When winter comes, you don’t have to end the life of your beautiful plants and flowers temporarily. Invest in the best greenhouse for winter, and then you can keep cultivating a lush garden all year long no matter where you live and how the local weather is.

KING BIRD Upgrade is my #1 choice for the best greenhouse for cold climates. This greenhouse is spacious enough to grow all of your favorite plants. Its excellent construction, ventilation, and UV protection level 6 keep your plants growing happily.

Although it is not cheap, it’s an excellent choice for all gardeners of all levels, whether you have just learned basic gardening techniques, are choosing seeds for planting, or have more experience in this field.

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