10 Best Greenhouses For Cold Climates (2024 Update)

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Greenhouses are a great way to extend the growing season and protect your plants from frost, wind, and other weather conditions. However, choosing the right greenhouse for a cold climate can be challenging. There are a few key points to keep in mind when looking for a greenhouse that can withstand the harsh winter weather and keep your plants thriving.

First, it's important to consider the materials used to construct the greenhouse. Look for sturdy materials such as polycarbonate or double-walled glass that provide insulation and can withstand heavy snow loads.

Second, consider the size of the greenhouse. A larger greenhouse may be more expensive, but it provides more space for your plants and can be more efficient at retaining heat.

Third, think about the heating system for your greenhouse. Depending on the size and location of your greenhouse, you may need to install a heating system to keep your plants warm during the winter months.

Fourth, ventilation is key. Proper ventilation can help to regulate the temperature and humidity levels in your greenhouse, which is essential for healthy plant growth.

Finally, consider the location of your greenhouse. Look for a spot that gets plenty of sunlight and is protected from harsh winds and other weather conditions.

By keeping these key points in mind, you can find a greenhouse that is well-suited for a cold climate and will provide a great environment for your plants to thrive.

10 Best Greenhouses For Cold Climates

1. Mellcom 16'x10'x10.3' Polycarbonate Aluminum Greenhouse With Adjustable Roof Vent And Sliding Door For Backyard Garden.

The MELLCOM Outdoor Walk-in Hobby Greenhouse is a sturdy and reliable solution for growing plants in the backyard. Its powder-coated aluminum frame resists rust and oxidation, and the unique ground base design adds extra stability to withstand severe weather conditions. The interior of the greenhouse is reinforced with 8 brackets, further increasing its stability. With a wind rating of 60 MPH and a snow load capacity of 18 PSF, this greenhouse is designed to last throughout the seasons.

The greenhouse's virtually unbreakable 4 mm-thick translucent twin-wall polycarbonate roof panels allow for maximum light transmission of up to 90% while blocking up to 99.10% of UV rays. This feature is particularly useful for early seed sprouting or protecting plants late in the season. The sloping roof design also facilitates the drainage and collection of rainwater.

This greenhouse provides an ideal growing environment for a variety of plants. Moreover, it also serves as an all-in-one gardening place for storing tools, equipment, accessories, and supplies. The two sliding doors provide easy access, and the four adjustable roof vents ensure proper ventilation, enabling continuous fresh air to reach the plants.

The MELLCOM Outdoor Walk-in Hobby Greenhouse is easy to install, with all the necessary instructions and hardware included in the two boxes it is shipped in. The excellent customer service provided by the manufacturer ensures that customers can expect prompt responses to any questions or concerns they may have.

In summary, the MELLCOM Outdoor Walk-in Hobby Greenhouse is a durable and reliable solution for growing plants in the backyard. Its sturdy frame and solid foundation, along with its ideal growing environment and all-in-one gardening place, make it an excellent choice for gardening enthusiasts.

2. Professional Grade Polycarbonate Greenhouse With Sliding Door, 2 Vent Windows, Raised Base, And Anchor – All Season Walk-In Kit For Outdoor Backyards – 6.2' X 10.2' Upgrade.

The Upgraded 6.2' x 10.2' Hobby Polycarbonate Greenhouse Kit is a high-quality solution for gardeners looking to grow plants, vegetables, flowers, and herbs all year round. It comes with a sliding door, two vent windows, a raised base, and an anchor aluminum heavy-duty walk-in greenhouse that allows you to customize your gardening experience to suit your needs.

The greenhouse is made from virtually unbreakable 4mm twin-wall polycarbonate panels that allow up to 70% light transmission for optimal plant growth while blocking out over 99.9% of harmful UV rays. The panels are also perfectly sized to fit in backyards, terraces, and gardens, making it ideal for the casual gardener or flower enthusiast.

The heavy-duty greenhouse kit is made of thickened aluminum which is rust-resistant and more sturdy to withstand all kinds of weather. The internally tight closure triangular structure can effectively improve the stability of the outdoor greenhouse to prevent it from falling apart under harsh conditions. It can support snow loads of up to 15.4 lbs.

The walk-in greenhouse is designed with a humanized approach, with rain gutters on both sides to effectively drain rain and snow. The gutters also offer a good way to attach a hose to collect the rain for watering the plants inside. The sliding door makes it easier for you to walk into the greenhouse for daily use. The two window vents are designed with five adjustable angles for proper airflow, which provides continuously fresh air to your plants.

The greenhouse comes with 7.9-inch base feet that can be buried into the soil and concrete to make the greenhouse fully secured. The upgraded connect hooks reinforce the side walls and base, providing better snow and wind resistance. The overall dimensions of the greenhouse are L 74.8" x W 122.8" x H 76.8".

The product comes with a 12-month warranty from the sale date, but it does not apply to damage resulting from "force majeure," which includes but is not limited to hail, storm, tornado, hurricane, blizzard, flood, and fire effects. Installation can refer to the video or manual provided, and if there are any questions, customers can contact the professional service team, who will respond within 24 hours. Note that the product will be divided into two packages for shipping.

3. Palram – Canopia Hybrid Lean-To Greenhouse – 4' X 8' – Silver

The Palram – Canopia Hybrid Lean-to Greenhouse is the perfect solution for garden enthusiasts who want to grow their plants all year round. This greenhouse is designed using virtually unbreakable 4 mm twin-wall polycarbonate roof panels that block up to 99.9% of UV rays and diffuse sunlight, providing protection against plant burn and shade areas.

The crystal-clear polycarbonate side panels offer 90% light transmission, ensuring that your plants receive adequate sunlight for healthy growth. The rust-resistant aluminum frame extends 7'-5" from the floor to the peak, providing ample headroom for taller plants.

The kit includes an adjustable roof vent, rain gutters, lockable hinged door with magnetic catch, aluminum frame, polycarbonate panels, and a galvanized steel base. The adjustable roof vent allows for proper ventilation and temperature control, while the rain gutters prevent water damage to the plants.

The lockable hinged door with a magnetic catch ensures that your plants are secure and protected from external factors. The aluminum frame and polycarbonate panels make the greenhouse sturdy and durable, capable of withstanding winds up to 47 mph and supporting snow loads of up to 15.4 lbs. per sq. ft.

This hybrid lean-to greenhouse is perfect for those who have limited space but still want to enjoy the benefits of a traditional greenhouse. The lean-to design allows you to attach the greenhouse to an existing building, such as a garage or shed, which maximizes the use of space in your garden.

In conclusion, the Palram – Canopia Hybrid Lean-to Greenhouse is a perfect investment for garden enthusiasts who want to extend their gardening season and protect their plants from harsh weather conditions. The greenhouse is easy to assemble and comes with a 5-year limited warranty, ensuring that you get the best value for your money.

4. Tingley Men's G2 Composite Toe, Black, 11

The TINGLEY Men's G2 Composite Toe boot is designed to provide maximum protection and comfort to the wearer. This boot is made with a 15" height and a composite safety toe that meets ASTM F2413 M/I/C for safety toe impact and compression. This ensures that the wearer is safe from any potential hazards in the workplace.

The boot is constructed using injection molding, which provides 100% waterproof protection. This makes it ideal for working in wet conditions, ensuring that the wearer's feet remain dry throughout the day. The flexible upper material of the boot stays supple even in cold temperatures, making walking easier and more comfortable.

The self-cleaning cleated outsole of the TINGLEY Men's G2 Composite Toe boot is designed to spit out debris as the wearer walks, ensuring that the sole remains clean and free from any potential hazards. This makes it ideal for working in environments where debris and other hazards are common.

Overall, the TINGLEY Men's G2 Composite Toe boot is a reliable and durable option for anyone working in hazardous environments. The combination of a composite safety toe, waterproof construction, and a self-cleaning outsole ensures that the wearer is protected from potential hazards while also staying comfortable throughout the day.

5. Janco Greenhouses Palmetto' – 8' X 10' Aluminum & Glass Greenhouse Kit

The Janco GREENHOUSES Palmetto is an 8' x 10' pre-fabricated greenhouse kit made of aluminum and glass, perfect for hobby gardeners looking to step up their gardening game. This greenhouse kit is designed with 1/8" clear tempered safety glass and heavy gauge extruded aluminum construction that can withstand a wind load of up to 90mph and a snow load of up to 25lb. It is guaranteed to last and has been approved by structural engineers across the country.

With its durable construction, the Janco GREENHOUSES Palmetto is an ideal choice for gardeners who want to build a greenhouse for the future. It is designed to withstand harsh weather conditions and provide a safe and sturdy environment for plants to thrive. The clear tempered safety glass ensures maximum light transmission, while the heavy gauge extruded aluminum frame provides excellent insulation and durability.

The Janco GREENHOUSES Palmetto is easy to assemble and comes with a lifetime warranty. This makes it a great investment for hobby gardeners who are looking for a reliable and long-lasting greenhouse kit. It is also a great choice for beginners who want to start growing their own plants but are not ready to commit to a larger greenhouse.

Overall, the Janco GREENHOUSES Palmetto is an excellent choice for anyone who wants to start growing their own plants in a safe and reliable environment. Its durable construction, clear tempered safety glass, and heavy gauge extruded aluminum frame make it an ideal choice for hobby gardeners who want to invest in a greenhouse for the long term. With its lifetime warranty, this greenhouse kit is a great investment that will provide years of enjoyment and gardening success.

Best Greenhouses For Cold Climates FAQs

How can you heat a greenhouse in a cold climate without using too much energy?

One way to heat a greenhouse in a cold climate without using too much energy is to utilize passive solar heating techniques, such as orienting the greenhouse to face south, installing thermal mass materials like concrete or water containers, and using insulation to retain heat. Additionally, using a heat sink, such as a compost pile or underground tubing, can help regulate temperature fluctuations. Another option is to use a wood-burning stove, which can provide both heat and carbon dioxide for plant growth, but it is important to ensure proper ventilation and safety measures. Installing a solar-powered heater or utilizing geothermal energy are also possible options for reducing energy consumption. Ultimately, the most effective solution will depend on the specific climate, type of greenhouse, and available resources.

How can you prevent condensation and mold from developing in a greenhouse in a cold climate?

There are several ways to prevent condensation and mold from developing in a greenhouse in a cold climate. Firstly, proper ventilation is crucial to ensure that there is adequate airflow to keep moisture levels in check. This can be achieved through the use of vents, fans, and louvers. Secondly, using a dehumidifier can help to reduce the moisture in the air, which can also prevent mold growth. Thirdly, ensuring that the greenhouse is properly insulated can help to prevent temperature fluctuations, which can lead to condensation. Finally, regular cleaning and maintenance of the greenhouse, including removing any dead plant matter and ensuring surfaces are dry, can also help to prevent mold growth. By following these preventative measures, greenhouse owners can ensure that their plants remain healthy and free from mold and other harmful contaminants.

What are some effective ways to insulate a greenhouse in a cold climate?

There are several effective ways to insulate a greenhouse in a cold climate. One of the most common methods is to install double-layered or triple-layered glazing, such as polycarbonate or acrylic panels, which provide excellent insulation and help to retain heat within the structure. Another effective method is to add insulation to the walls and roof of the greenhouse. This can be done using materials such as polyurethane foam or fiberglass insulation. In addition, installing a thermal blanket or shade cloth during colder months can help to conserve heat and reduce energy costs. It is also important to seal any cracks or gaps in the greenhouse structure to prevent drafts and heat loss. Finally, utilizing passive solar heating methods, such as orienting the greenhouse to face the sun and installing thermal mass elements like water barrels, can also help to maintain a consistent and warm temperature inside the greenhouse.

What are the best materials to use for a greenhouse in a cold climate?

The best materials to use for a greenhouse in a cold climate are those that provide good insulation and can withstand extreme weather conditions. Polycarbonate panels are a popular choice because they are lightweight, durable, and provide excellent insulation. They are also easy to install and maintain, making them a cost-effective option.

Another good option is double-layered polyethylene film, which is a lightweight and affordable option that can provide excellent insulation. However, it is not as durable as polycarbonate and may need to be replaced more frequently.

For the frame, materials such as galvanized steel, aluminum, or wood can be used. Galvanized steel is the most durable and long-lasting option, while aluminum is lightweight and resistant to corrosion. Wood is a natural and attractive option but may require more maintenance.

Overall, the choice of materials will depend on factors such as budget, personal preference, and the specific climate conditions in the area. A well-built greenhouse with the right materials can provide a warm and protected environment for plants, even in cold climates.

What are the best plants to grow in a greenhouse in a cold climate?

As a greenhouse offers a controlled environment, it is possible to grow a variety of plants even in cold climates. However, some plants are better suited for colder temperatures than others. Some of the best plants to grow in a greenhouse in a cold climate include:

1. Leafy greens: Lettuce, spinach, kale, and other leafy vegetables prefer cooler temperatures and can thrive in a greenhouse environment.

2. Herbs: Many herbs like parsley, cilantro, and chives can grow well in a greenhouse in colder climates, especially if they are protected from frost.

3. Root vegetables: Carrots, beets, and radishes can also do well in a greenhouse in colder climates.

4. Brassicas: Broccoli, cauliflower, and Brussels sprouts are cold-hardy vegetables that can grow well in a greenhouse.

5. Flowers: Pansies, violas, and snapdragons are cold-tolerant flowers that can add color to a greenhouse in a cold climate.

Overall, choosing plants that are adapted to cooler temperatures and providing proper heating and lighting can make a greenhouse a productive and enjoyable space in a cold climate.

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