Do Pop Up Greenhouses Work In Winter?

You may have heard about pop up greenhouses, those nifty portable structures that can help extend your growing season. But you might be wondering, do they actually work during the winter? With their lightweight and flexible design, pop up greenhouses seem more suited for fair weather gardening. However, these innovative structures can actually provide the perfect environment for winter gardening, allowing you to continue growing your favorite plants even in the colder months. In this article, we will explore the effectiveness of pop up greenhouses in winter and discover how they can help you create a thriving garden year-round.

The Benefits of Pop Up Greenhouses

Protection from Harsh Winter Conditions

Pop up greenhouses are an excellent investment for avid gardeners who wish to continue their gardening pursuits during the harsh winter months. These structures offer a level of protection that can help shield your plants from the frigid temperatures, strong winds, and heavy snowfall that often characterize winter. By providing a barrier between your plants and the elements, pop up greenhouses help to prevent frost damage and keep your plants healthy and thriving.

Extend the Growing Season

One of the most significant advantages of using a pop up greenhouse is the ability to extend the growing season. As winter approaches, most plants go dormant or die off completely due to the unfavorable conditions outside. However, with the use of a pop up greenhouse, you can create a controlled environment that mimics the conditions of spring or autumn. This extended growing season allows you to continue growing fresh produce, herbs, or flowers even when snow covers the ground outside.

Portability and Flexibility

Unlike traditional permanent greenhouse structures, pop up greenhouses are portable and offer the flexibility to be set up and taken down as needed. This makes them an ideal option for gardeners who have limited space or those who are unsure about committing to a permanent greenhouse. Pop up greenhouses can be easily moved or dismantled, allowing you to reposition them or store them away during the warmer months when they are not needed. This versatility ensures that you can make the most of your gardening space and adapt to changing needs throughout the year.

Factors to Consider When Using Pop Up Greenhouses in Winter

Temperature Regulation

Temperature regulation is crucial when using a pop up greenhouse in winter. While these structures offer protection from the cold, it’s essential to monitor the internal temperature to ensure it remains within the optimal range for plant growth. Investing in a thermometer or a temperature-controlled heater can help you regulate the temperature inside the greenhouse and prevent extreme heat or cold from damaging your plants.


Insulating your pop up greenhouse is another key factor to consider in winter. Insulation helps retain heat and prevent temperature fluctuations, which can be harmful to plants. You can insulate the structure by lining the walls and roof with bubble wrap or foam insulation, which will create a barrier against the cold air outside. Additionally, using a double-layered cover for your pop up greenhouse can provide additional insulation and help maintain a stable environment for your plants.


During the winter months, natural sunlight is limited, making it crucial to provide supplemental lighting in your pop up greenhouse. Grow lights are an effective solution for ensuring that your plants receive the necessary light energy for photosynthesis and growth. LED or fluorescent grow lights are energy-efficient options that can be easily installed inside the greenhouse. By simulating the natural light cycle, you can ensure that your plants receive adequate light to thrive even during the darkest days of winter.


Proper ventilation is essential to maintain air circulation and prevent the buildup of excess moisture in your pop up greenhouse. While winter conditions may not necessitate extensive ventilation like in the summer, it’s still important to provide some airflow to avoid issues such as condensation and mold growth. Adjustable vents or a small fan can help regulate air movement while keeping the greenhouse environment stable and healthy for your plants.

Choosing the Right Greenhouse

Materials and Construction

When selecting a pop up greenhouse, it’s important to consider the materials and construction quality. Look for a greenhouse made of durable materials such as heavy-duty polyethylene or PVC, which can withstand the rigors of winter weather. The frame should be sturdy and resistant to wind and snow loads. Pay attention to the overall construction quality to ensure that the greenhouse is well-built and can provide the necessary protection for your plants.

Size and Design

The size and design of your pop up greenhouse should align with your gardening needs and available space. Consider the number and size of plants you intend to grow and choose a greenhouse that provides enough room for them to thrive. Additionally, ensure that the design of the greenhouse allows for easy access to your plants, as well as proper airflow and ventilation.

Accessories and Features

When selecting a pop up greenhouse, consider the available accessories and features that can enhance its functionality. Look for options such as roll-up windows, adjustable shelves, or built-in irrigation systems that can make gardening easier and more efficient. Additionally, some greenhouses offer UV protection to prevent sun damage to your plants and extend their lifespan.

Preparing Your Pop Up Greenhouse for Winter

Cleaning and Maintenance

Before winter sets in, it’s important to clean and maintain your pop up greenhouse. Remove any debris or dead plant material to prevent the buildup of pests or diseases. Clean the interior surfaces with a mild soap solution and rinse thoroughly. Inspect the frame for any signs of damage or wear and make any necessary repairs. By starting with a clean and well-maintained greenhouse, you can create a healthy environment for your plants.

Adding Insulation

To protect your plants from the cold, consider adding insulation to your pop up greenhouse. Apply a layer of bubble wrap or foam insulation to the walls and roof, ensuring that all areas are covered properly. This insulation will help retain heat and prevent significant temperature fluctuations, keeping your plants comfortable and protected during the winter months.

Providing Adequate Heating

In colder climates, additional heating may be required to maintain the ideal temperature range for your plants. Electric heaters or small space heaters are commonly used to provide heat inside the greenhouse. When selecting a heater, consider its heating capacity, energy efficiency, and safety features. It’s important to monitor the temperature closely and adjust the heating as needed to keep your plants thriving.

Monitoring Temperature and Humidity

Monitoring temperature and humidity levels is essential to ensure the health and well-being of your plants. Use a thermometer to regularly check the temperature inside the greenhouse and make adjustments to the heating or ventilation as necessary. Additionally, a hygrometer can help you monitor the humidity levels, ensuring that they stay within the optimal range for your plants’ needs.

Best Plants to Grow in a Pop Up Greenhouse During Winter

Cold-Tolerant Vegetables

Pop up greenhouses provide an excellent environment for growing cold-tolerant vegetables during the winter months. Vegetables like kale, spinach, Swiss chard, and Brussels sprouts can withstand colder temperatures and continue to produce fresh, nutritious greens throughout the season. Additionally, root vegetables such as carrots, beets, and radishes can thrive in a pop-up greenhouse, providing you with a bountiful harvest even when the ground is frozen outside.

Herbs and Medicinal Plants

Herbs are well-suited for pop up greenhouses in winter, as many varieties can thrive in cooler temperatures. Herbs like rosemary, thyme, sage, and parsley are hardy and can be harvested throughout the season. Medicinal plants like lavender, Echinacea, and chamomile can also be grown in a pop-up greenhouse, allowing you to have access to their healing properties all year round.

Flowering Plants

Pop up greenhouses offer the opportunity to enjoy the beauty of flowering plants even in the depths of winter. Varieties such as pansies, violas, and snapdragons can add vibrant colors to your greenhouse, brightening up the winter landscape. You can also grow winter-blooming bulbs like amaryllis or paperwhites to create a stunning display of blooms when everything else is dormant outside.

Common Challenges in Using Pop Up Greenhouses in Winter

Condensation and Mold

Condensation and mold can be common challenges when using pop up greenhouses in winter. Due to the temperature difference between the warm interior and cold exterior, condensation can form on the greenhouse surfaces. This excess moisture can create a favorable environment for mold growth, which can harm your plants. To combat this issue, ensure proper ventilation and airflow inside the greenhouse and regularly wipe down any accumulated condensation.

Pest Control

While winter may seem like a reprieve from pests, they can still find their way into your pop up greenhouse. Common winter pests such as aphids, mites, and whiteflies can damage your plants if left unchecked. Regularly inspect your plants for any signs of pest infestation and take appropriate measures, such as using organic insecticides or introducing beneficial insects, to keep the population under control.

Snow and Ice Accumulation

In regions with heavy snowfall, accumulation of snow and ice on the greenhouse roof can pose a danger to the structure and your plants. The weight of the snow can put strain on the frame, potentially causing it to collapse. To prevent this, regularly remove snow or ice buildup using a soft broom or a roof rake. Be cautious when doing so to avoid damaging the greenhouse cover or the plants inside.

Tips for Maximizing Success with Pop Up Greenhouses in Winter

Create Microclimates

Inside your pop up greenhouse, you can create microclimates by using various techniques to provide different temperature and humidity conditions. Grouping plants with similar needs together or using heat mats can create warmer areas for heat-loving plants, while placing trays of water or misting systems can increase humidity for plants that thrive in a moist environment. By creating microclimates, you can accommodate a wide range of plant species and increase their chances of thriving.

Choose the Right Location

The location of your pop up greenhouse plays a significant role in its effectiveness during winter. Place the greenhouse in an area that receives maximum sunlight exposure, ideally facing south, to maximize the natural light your plants receive. Additionally, choose a spot with good drainage to prevent excess water from accumulating around the structure. Consider any existing structures or trees that may cast shadows on the greenhouse and block sunlight.

Consider Double Layering

Double layering your greenhouse cover can provide extra insulation and protection against the cold. Some pop up greenhouse models offer the option to use two layers of covers, creating an air pocket between them that acts as additional insulation. This double layering helps reduce heat loss, maintain stable temperatures, and prevent damage from external elements such as wind and snow.

Monitor and Adjust

Regular monitoring of your pop up greenhouse is critical to ensuring successful winter gardening. Keep a close eye on temperature, humidity, and any signs of pest or disease infestation. Adjust the heating, ventilation, and lighting as needed to create the optimal environment for your plants. Be proactive in addressing any issues that arise promptly to prevent further damage and ensure the continued health of your plants.

In conclusion, pop up greenhouses can indeed work in winter and provide numerous benefits for gardeners. By offering protection from harsh winter conditions, extending the growing season, and providing portability and flexibility, these structures allow you to continue gardening all year round. However, factors such as temperature regulation, insulation, lighting, and ventilation must be carefully considered and monitored. Choosing the right greenhouse, preparing it for winter, and selecting suitable plants are also crucial for success. By addressing common challenges and implementing tips for maximizing success, you can enjoy the rewards of gardening inside a pop up greenhouse even during the coldest months of the year.

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About the Author: Jake Scott