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best portable greenhouse for winter

Best Portable Greenhouse for Winter

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Are you on the hunt for the best portable greenhouses for winter? You’ve landed in the right place. At Greenhouse Emporium, we’ve spent years exploring and testing the finest options to keep your garden thriving through the colder months.

While most portable greenhouses aren’t built for the heavy insulation needed in harsh winters, they are excellent for overwintering plants in milder climates. This article will guide you through our top picks, each carefully evaluated for its ability to protect and nurture your plants during winter.

From compact solutions for small spaces to robust structures offering more protection, we’ve got you covered. Let’s delve into the world of portable greenhouses and find the perfect winter haven for your greenery.

What this article covers:

Best Portable Greenhouse for Winter

Genesis Portable Walk-In Greenhouse

The Genesis Portable Walk-In Greenhouse is a compact marvel, making it one of the best greenhouses for winter climates if you’re a gardener with limited space. Measuring either 61 inches wide by 28 inches deep or a larger variant at 56 inches deep, it fits snugly in small gardens or balconies.

Its standout feature is the reinforced PE cover, thicker and more resilient than many portable models, offering enhanced protection against the cold. This greenhouse is not just about keeping warm; it’s also user-friendly.

portable greenhouse for winter

The large, dual-zippered door and roll-up feature provide easy access and ventilation. With a sturdy, powder-coated metal frame and four full-length shelves, it maximizes growing space while remaining portable.

Perfect for urban gardeners or those seeking a flexible, non-permanent greenhouse solution, the Genesis Walk-In combines practicality with efficiency in a compact package.


  • Large door opening with dual zipper for easy access.
  • Roll-up door that can be tied up.
  • Sturdy powder-coated metal frame and mesh shelving.
  • Portable and perfect for extending the growing season.
  • Full-length shelves for maximizing space.

Best For

  • Urban gardeners with limited space.
  • Those seeking a sturdy yet portable option.

Genesis Portable Rolling Mini Greenhouse

The Genesis Portable Rolling Mini Greenhouse is a true gem for urban gardeners who value both mobility and efficiency. This mini greenhouse, available in both 3-Tier and 4-Tier options, is designed to fit seamlessly into small spaces like balconies or patios.

Its dimensions, with the 4-Tier model measuring 27 inches wide by 19 inches deep and 65 inches high, make it an ideal choice for those who have limited outdoor space.

One of its most appealing features is the ease of movement, thanks to the caster wheels that allow you to relocate the greenhouse effortlessly, ensuring your plants can always catch the optimal sunlight.

The greenhouse comes with a choice of two covers: a clear PVC cover for those who prefer maximum light penetration and a heavy-duty PE (Polyethylene) cover for enhanced insulation during cooler months.

quality greenhouse kits

This flexibility is a significant advantage, as our research shows that different plants have varying light and warmth requirements. The powder-coated metal frame and mesh shelving ensure durability and good air circulation, crucial for plant health.

Whether you’re nurturing seedlings or protecting delicate plants from the cold, the Genesis Portable Rolling Mini Greenhouse offers a practical and adaptable solution for urban gardening enthusiasts. In our experience, this makes it a fantastic greenhouse for cold weather in a milder climate.


  • Dual zipper door for accessibility.
  • Easy movement with caster wheels.
  • Powder-coated metal frame for durability.
  • Choice of clear or opaque cover for varying insulation needs.

Best For

  • Gardeners with small outdoor spaces.
  • Those needing a mobile greenhouse solution.

Juwel Year-Round Cold Frame

The Juwel Year-Round Cold Frame is an exemplary choice for gardeners seeking to extend their growing season beyond traditional boundaries.

This versatile unit is particularly adept at transitioning from early spring to late autumn, thanks to its robust construction and thoughtful design. It boasts a durable aluminum frame, known for its strength and resistance to the elements, ensuring longevity and stability.

The cold frame is equipped with a dual-cover system: a poly cover for those colder days and an insect netting cover for warmer periods. This unique feature allows the cold frame to adapt to varying weather conditions, protecting against frost, hail, and pests while facilitating plant growth in warmer temperatures.

best portable greenhouses for winter

Measuring 50 inches wide by 23 inches deep, with a height ranging from 12 to 16 inches, it’s compact yet spacious enough to accommodate a variety of plants.

The twin-wall 4mm Polycarbonate of the poly cover offers excellent insulation, crucial for maintaining an optimal growing environment during cooler months.

In contrast, the insect netting cover is a boon during warmer weather, protecting plants from pests while allowing rain and sunlight to penetrate. This adaptability makes the Juwel Year-Round Cold Frame a highly effective tool for gardeners looking to maximize their yield throughout the year.


  • Easy to assemble with two cover options.
  • Twin-wall 4mm Polycarbonate for cold weather protection.
  • Insect screen for pest control.
  • Suitable for older gardeners or those with back problems.

Best For

  • Gardeners looking for a year-round growing solution.
  • Those with limited space but need a robust cold frame.

Juwel Easy-Fix Double Cold Frame

The Juwel Easy-Fix Double Cold Frame is a standout solution for gardeners eager to get a head start on their spring planting. This cold frame is specifically designed to facilitate early seed starting, even before winter has fully retreated.

Its most notable feature is the “Easy-Fix” assembly system, which simplifies the setup process, making it quick and hassle-free. This feature is particularly beneficial for those who require a temporary or seasonal greenhouse setup, as it allows for easy disassembly and storage when not in use.

The cold frame’s dimensions, 48 inches wide by 40 inches long with a height of 12 to 16 inches, provide ample space for a variety of seedlings. It incorporates a saddleback design, which not only enhances its aesthetic appeal but also contributes to its functionality.

Juwel Easy Fix Double Cold Frame

The cold frame is equipped with two roof windows, each featuring two height adjusters, allowing for optimal temperature and airflow control, essential for young plant growth. The windows are designed to lock firmly, protecting your seedlings from wind and other elements.

Constructed with 4mm twin-wall Polycarbonate, the Juwel Easy-Fix Double Cold Frame ensures a durable and insulated environment for your plants. Additionally, its child-safe rounded edges make it a safe addition to any garden space.

This cold frame is an excellent choice for gardeners looking to extend their growing season and protect their seedlings from the unpredictable late winter and early spring weather.


  • Simple assembly and disassembly.
  • Saddleback design with child-safe rounded edges.
  • Twin-wall Polycarbonate for insulation.
  • Lockable windows for wind protection.

Best For

  • Gardeners needing a temporary, easy-to-store solution.
  • Those starting seeds early in the season.

How to Choose the Right Greenhouse for Your Needs


When it comes to portable greenhouses, size does matter. It’s crucial to consider the space you have available. Whether you’re working with a cozy balcony or a more expansive backyard, the size of your greenhouse will dictate not only how many plants you can nurture but also how it integrates with your existing space.

the best portable greenhouse for winter

Measure your available area and think about how much of it you’re willing to dedicate to the greenhouse. Remember, a well-sized greenhouse should complement your space, not overwhelm it.


Budget is a key factor in selecting the right portable greenhouse. Prices can vary significantly, so it’s important to set a realistic budget that reflects your gardening goals. Cheaper models might be tempting, but they may not provide the durability or features of more expensive ones.

Conversely, the most expensive option isn’t always the best. Balance cost with quality, and remember that investing in a slightly pricier model might save you money in the long run due to its longevity and effectiveness.


Insulation is critical, especially when choosing the best portable greenhouses for winter. The level of insulation determines how well your plants are protected from cold temperatures. Look for features like double-walled panels, heavy-duty covers, or the ability to add extra insulation if needed.

Keep in mind that while most portable greenhouses are not designed for extreme cold, the right insulation can make a significant difference in milder winter climates.


The design of a portable greenhouse impacts not only its aesthetic appeal but also its functionality. Consider the ease of access, the type of doors, ventilation options, and how these elements will affect your gardening experience.

insulated greenhouse kit

A well-designed greenhouse should be user-friendly, allowing for easy plant care and maintenance.

Additionally, think about the overall look and how it will fit into your garden’s aesthetic. A greenhouse should be a seamless addition to your space, both functionally and visually.


The durability and longevity of your portable greenhouse largely depend on the materials used in its construction. Look for sturdy frames made from materials like aluminum or powder-coated steel, which offer both strength and resistance to rust.

The cover material is equally important; polyethylene, polycarbonate, and PVC are common options, each with its own set of benefits and drawbacks. Consider the climate in your area and choose materials that can withstand local weather conditions, ensuring your greenhouse stands the test of time.

Best Portable Greenhouse for Winter (FAQs)

What is the best portable greenhouse for winter?

The best portable greenhouse for winter depends on your specific needs, such as size, insulation, and budget. Our top picks include the Genesis Portable Walk-In and Rolling Mini Greenhouses, as well as various models from Juwel.

How do I insulate a portable greenhouse for winter?

Insulating a portable greenhouse involves using bubble wrap or foam insulation on the interior, ensuring proper ventilation, and possibly using a small heater for extra warmth in colder climates.

Can I use a portable greenhouse in heavy snow?

Portable greenhouses are not typically designed for heavy snow. It’s important to choose a model with a sturdy frame and consider additional supports or frequent snow removal to prevent damage.

Ready to elevate your winter gardening? Explore our curated selection of portable greenhouse kits at Greenhouse Emporium and find the perfect fit for your garden today!

Jesse James
Jesse James

Jesse James, an Army Veteran, now shares his passion for gardening through engaging articles on Greenhouse Emporium. Leveraging his experience and love for nature, Jesse provides practical advice and inspires others on their gardening journey.

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