Best Waterproof Greenhouses of 2026

The Ohuhu Mini Greenhouse offers a spacious design with its tall dimensions, giving you plenty of room to grow taller plants comfortably. Its sturdy build includes a thick, tear-resistant PVC cover and a rust-resistant metal frame, so your plants stay protected even in tough weather. You’ll appreciate the waterproof PE mat that keeps your growing area clean and dry, making maintenance easier. The zippered door lets you water and fertilize your plants without hassle, and you can roll it up to improve airflow. Whether indoors or outdoors, this greenhouse helps you create the perfect environment for your plants and seedlings.

The Gardzen Mini Greenhouse offers a tall, vertical design that gives you plenty of room for growing tall plants and adding shelves, all within a small footprint perfect for decks or patios. It includes a removable waterproof base that keeps your indoor floors safe from dirt and moisture, while also helping protect your plants from cold when outside. The clear cover lets sunlight reach your plants from all directions, encouraging strong growth and faster germination. Plus, two zippered doors on opposite sides provide excellent airflow, allowing you to control the temperature and keep your plants healthy. This greenhouse makes gardening simple and efficient for any level of gardener.

The Gardzen Mini Greenhouse is a compact and flexible solution for growing plants in various small spaces like patios or balconies. Its size makes it easy to place almost anywhere, including raised garden beds, giving you control over your plant environment. The removable waterproof base protects your indoor or outdoor surfaces from water and dirt, keeping your area clean and making the greenhouse easy to move. The clear PVC cover lets in plenty of sunlight to help your plants grow strong while shielding them from harsh weather. Plus, its sturdy steel frame ensures the greenhouse stays stable in different conditions, and you can set it up quickly without any tools.

The GREZJXC Outdoor Greenhouse offers excellent air circulation and temperature control, thanks to its dual-zippered screen doors and six side windows. This design allows you to adjust airflow, keeping your plants warm and healthy. The high-quality waterproof PE canopy protects your plants from harsh weather conditions, ensuring they stay safe from UV rays and rain. With its upgraded galvanized frame, this greenhouse provides added stability, so you can trust it to withstand the elements. Enjoy ample space for all your plants, flowers, and vegetables in this spacious walk-in design, making gardening more enjoyable and productive.

The Gardzen Mini Greenhouse is a handy solution for growing plants in small spaces like patios or balconies. Its compact size fits well almost anywhere, making it easy for you to create a controlled environment for your plants. The removable waterproof bottom protects your floors from dirt and water, which is great if you use it indoors or on a porch. The clear PVC cover lets in plenty of sunlight to help your plants grow strong while keeping them warm and protected from the weather. Plus, the sturdy steel frame ensures the greenhouse stays stable outdoors, and the simple setup means you can start gardening quickly and easily.

If you're looking for a good sized portable mini greenhouse that can be used both indoors and outdoors, the Quictent Waterproof UV Protected Reinforced Mini Cloche Greenhouse is worth considering. Its heavy-duty powder coated steel framework and transparent PVC cover make it waterproof and UV protected, while its overlong cover design makes it more airtight and secure. The side zipper door provides easy access to your plants and allows for air flow on hot days, while the 2 door with 4 zippers can completely close the greenhouse to keep warm. Plus, you'll receive 50 T-type plant tags for free!

The Upgraded Walk-in Greenhouse by Grezone is a reliable solution for protecting your plants from harsh weather conditions. The heavy-duty steel frame provides extra stability with reinforced diagonal bars, while the 140g/m2 PE grid cover is UV 80+ and 100% waterproof. The dual-zippered screen doors and six screen windows provide excellent ventilation and cross-ventilation, making it convenient to use each door according to your need, and increasing the greenhouse's functional quality. With a size of 10x7x7 FT, this greenhouse is easy to assemble with simple butterfly screws and is more durable and anti-rust due to its powder-coated finish heavy-duty steel frame.

Protect your plants with Outsunny Portable Mini Greenhouse. The updated design features large doors that can be opened entirely for better ventilation. With two-layer 140 GSM PE cover, it protects plants from UV scorching and allows 85% of nourishing sunlight. The reinforced steel frame and airtight cover ensure stability and security. Portable and easy to move around, it measures 9' L x 3' W x 3' H and has a net weight of 10.4 lbs.

The Ohuhu Portable Mini Greenhouse is an easy-to-assemble, durable, and weather-resistant greenhouse that is perfect for both indoor and outdoor use. Its unique design features dual large zipper doors and ground stakes, making it easy to regulate external airflow while creating the perfect environment for your plants to grow healthily. With high-quality anti-aging PE mesh cloth and heavy-duty iron tubes, this greenhouse is built to last.

The KBOROVER Mini Greenhouse is designed with thick clear PVC material that is durable and resistant to scratches, helping you protect your plants effectively. Its heavy-duty steel frame offers strong support, making assembly simple without needing any tools, so you can set it up quickly. The greenhouse features two zippered windows that allow easy watering and ventilation control, helping you maintain the right humidity and temperature for your plants. Measuring 71 by 36 by 36 inches, this portable greenhouse provides enough space for your houseplants or seed beds, making it a practical choice for gardening outdoors.