Best 6×6 Greenhouse In 2024: 4 Perfect Kits For Any Garden

If you’re interested in greenhouse gardening then you’d be crazy to not consider a 6×6 greenhouse. They are pretty much the perfect size for most gardens and a really nice entry-point in to the world of greenhouses.

That’s why, in this article I’ll show you 4 perfect kits that suit all kinds of greenhouse gardeners.

But if you’re short on time (or just impatient like me), then here’s what I recommend:

“In our opinion, the best 6×6 greenhouse is the Outsunny polycarbonate greenhouse. Not only is it really high-quality, easy to use and simple to assemble… But when you match that with the price then you’ll really struggle to find anything better anywhere. I strongly recommend it.”


Let’s get into all the pros and cons of each of these 6 x 6 greenhouse kits so that you have all the information you need to make a decision.

Looking for the best polycarbonate greenhouses in 2024?
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4 Amazing 6×6 Greenhouse Kits For Sale In 2024

Here are the 4 greenhouse kits that I will be recommending to you in this article.

Category6 x 6 Greenhouse
Best Overall 6 x 6 GreenhouseOutsunny Polycarbonate
Easiest ConstructionYitahome Polycarbonate
Great For Lower BudgetsMiracle-Gro Greenhouse
Perfect For BeginnersOutsunny Tunnel Greenhouse

Let’s go through them.

#1: Outsunny Polycarbonate (Best Overall 6 x 6 Greenhouse)

best 6x6 greenhouse

Where To Buy: Amazon

Specs & Features:
– Dimensions of 74.8″L x 74.8″W x 86.6″H

– Made of a lightweight aluminum alloy frame and polycarbonate panels

– Weight of 17.8 lbs

– UV protection up to 30um

Overall Thoughts:

I really like this little polycarbonate 6 x 6 greenhouse! Not only is it really high-quality, easy to use and simple to assemble… But when you match that with the price then you’ll really struggle to find anything better anywhere. I strongly recommend it and I don’t think you’ll ever recommend getting it. Just make sure you take some time with the assembly and you’ll be really happy with this purchase.

– Great value for what you’re getting.

– High value construction and will last for a very long time if you look after it

– Is actually pretty sturdy and can withstand moderate winds

– I like the ventilation windows that let you control the temperature.
– The assembly isn’t the worst I’ve seen but you need to pay attention during a few of the steps

Other Details:

The Outsunny 6′ x 6′ x 7′ Walk-in Greenhouse is a top pick for year-round plant care. It’s made with UV-protective polycarbonate panels that let plenty of sunlight through, perfect for your plants. The greenhouse has a sturdy, lightweight aluminum frame that ensures durability. A standout feature is its temperature-controlled top vent, which automatically opens and closes to manage heat and humidity.

There’s also a hand-push side window and a sliding door for easy access and ventilation. Assembly is straightforward with an included foundation that can be set up in two ways. This greenhouse is not only practical but also attractive with its transparent panels and green frame. Outsunny offers reliable, cost-effective products, making this greenhouse a great investment for any backyard or outdoor space.

See also  The Ultimate Guide To Growing Weed In A Greenhouse In 2024
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#2: Yitahome Polycarbonate (Easiest Construction)

6 x 6 greenhouse

Where To Buy: Amazon

Specs & Features:
– Dimensions of 73″L x 72″W x 77″H

– Made of an aluminum alloy frame and double-wall polycarbonate panels

– Weight of 50.3 pounds

– a

Overall Thoughts:

Here is another really strong contended for 6 x 6 greenhouse kits that are at the top of their game. Not only does it look really nice in the garden, but it’s also extremely sturdy easy to put together. They include a base so the construction is easy and they also provide rods that improve the stability of the greenhouse as a whole. The only downside that I found with this is that it’s pretty heavy at 50.3 lbs which makes it more difficult to move it around once assembled. Just keep that in mind and you’ll love this greenhouse.

– Comes with a strong base that makes it nice and sturdy

– I found the assembly process really easy, it took a few hours with 2 people to put it together

– It looks really nice in the garden

– Yitahome has some really strong customer service so you’ll never be stuck
– It’s pretty heavy so you won’t want to move it once assembled.

Other Details:

The Yitahome 6×6 ft polycarbonate greenhouse is a solid choice for gardeners. It’s built with a strong aluminum alloy frame and reinforced rods for added durability. The double-wall polycarbonate panels provide excellent UV protection, blocking 99% of harmful rays to keep your plants safe. This greenhouse features two adjustable skylights for optimal ventilation and a sliding door that saves space and makes access easy.

It’s set on a galvanized steel base with expansion screws and ground nails for extra stability and wind resistance. The design also includes a top tilt for better wind resistance and drainage, making it perfect for year-round use. Assembly is straightforward with clear instructions provided. You can even add a lock to the door for extra security. The greenhouse comes in two packages, so they may arrive separately, but it’s worth the wait for such a sturdy and efficient setup.

Get Best Price ➡️ Amazon

#3: Miracle-Gro Greenhouse (Great For Lower Budgets)

6 x 6 greenhouse

Where To Buy: Amazon

Specs & Features:
– Dimensions of 73.3″L x 73″W x 74″H

– Made of a powder coated steel frame and luminate diffusion polyethylene cover

– Weight of 33 lbs

– Includes roll up side vents and zippered doors for you to control ventilation

Overall Thoughts:

If you’re in the market for a great 6 x 6 greenhouse for sale that’s also not expensive then this is a really good bet for you. The Miracle-Gro is a really nice budget option that’s easy to assemble, has nice quality and also protects your plants from the sun. The downside? It’s fragile so you want to keep it indoors or sheltered from the wind. If you’re looking for a nice entry level greenhouse that protects your plants with minimal hassle then you’re going to love this greenhouse.

– 1 year warranty period gives you some piece of mind

– Really easy construction process, its basically like a tent

– Nice price and high quality

– It has surprisingly good light diffusion so your plants aren’t harmed by UV rays
– Pretty fragile and shouldn’t be near high winds

Other Details:

The Miracle-Gro 6′ x 6′ x 6′ Greenhouse is a fantastic budget option for extending your growing season. It’s designed for both indoor and outdoor use, helping your plants grow faster by retaining heat and reducing evaporation. The greenhouse has a durable 1-3/8″ steel frame with a premium powder coat finish to resist chipping, rust, and corrosion. Its triple-layer translucent polyethylene cover is waterproof and UV-treated, allowing plenty of diffused light to reach your plants while blocking harmful UV rays.

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This greenhouse features quick-snap roll-up side panels and zippered screens for excellent airflow and temperature control. The zippered roll-up door panels make it easy to access and secure your greenhouse, keeping out deer and other wildlife. The easy-slide cover rail system ensures a perfect fit and allows for easy adjustments. Overall, the Miracle-Gro greenhouse is a sturdy, reliable, and cost-effective solution for any gardener.

Get Best Price ➡️ Amazon

#4: Outsunny Tunnel Greenhouse (Perfect For Beginners)

outsunny 6x6 greenhouse for sale

Where To Buy: Amazon

Specs & Features:
– Dimensions of 6.6′ L x 6.6′ W x 6.6′ H

– Made of two-layer polyethylene and galvanized steel frames

– Weight of 30.8 lbs

– Roll up doors and sidewalls for better cross ventilation and to control temperature and humidity

Overall Thoughts:

If I was brand-spanking-new in this space and I wanted to get a simple greenhouse then this is probably where I would go. Not only is Outsunny a great brand, but they’ve also create a really easy to use and budget friendly greenhouse right here. It’s high quality and includes solid entry level features such as roll up walls to help you heat or ventilate your greenhouse. They also have reinforced incline bars that make it stable. All around this is a really solid pick for beginners. The downsides are that it doesn’t give you much control over temperatures and humidity because and it struggle with stability in stronger winds.

– High quality and creates a nice space for your plants.

– It has nice options like roll up walls to help you with the ventilation and heating of your greenhouse

– Really easy to assemble

– I like that they included reinforced incline bars and a ground frame to improve the stability.
– Can’t withstand extreme cold or strong winds

– Doesn’t give you as much control over temperatures and humidity.

Other Details:

The Outsunny 6×6 greenhouse is perfect for beginners looking to extend their growing season. This walk-in greenhouse offers a spacious area for starting seeds and protecting plants from temperature fluctuations. It features a durable PE cover that allows 85% of sunlight through while preventing UV damage. The large, zippered roll-up doors and mesh sidewalls provide easy access and great ventilation, keeping out pests and letting you control the temperature and humidity.

Constructed with a sturdy steel frame, it includes crossbars and diagonal braces for extra stability. The arched roof design prevents water accumulation, and the extended edges can be buried in the soil for added support. This greenhouse is ideal for growing vegetables, salads, and tomatoes year-round. Assembly is straightforward, especially with two people. With Outsunny, you can enjoy gardening throughout mild winters and keep your plants thriving.

Get Best Price ➡️ Amazon

Why Is A 6×6 Greenhouse The Perfect Size?

Here are the benefits of these greenhouses.

Compact and Efficient:Fits easily in most backyards while providing ample space for a variety of plants.
Pest Control:Keeps out pests like insects and small animals, reducing the need for pesticides.
Climate Control:Allows you to manage temperature and humidity, creating an ideal environment for plant growth.
Diverse Planting Options:Supports a variety of plants, including vegetables, flowers, and herbs.
Increased Yield:More consistent growing conditions often result in healthier plants and higher yields.
Water Efficiency:Easier to manage and conserve water, reducing waste compared to open garden beds.

What You Can Grow in a 6×6 Greenhouse

A 6×6 greenhouse offers a surprisingly versatile space for growing a variety of plants. Here are some options:

  • Vegetables: Tomatoes, peppers, cucumbers, lettuce, spinach, and herbs like basil, cilantro, and parsley thrive in a greenhouse environment.
  • Fruits: Strawberries, dwarf citrus trees, and even some types of melons can be successfully grown.
  • Flowers: You can grow flowers like geraniums, petunias, marigolds, and orchids. It’s also a great space for starting annuals from seeds.
  • Herbs: Besides the basic culinary herbs, you can grow rosemary, thyme, oregano, mint, and chives.
  • Seedlings: Start seeds for your outdoor garden early, giving them a head start before transplanting them outside.
  • Exotic Plants: Orchids, succulents, and cacti can flourish, especially those that require a controlled climate.
  • Leafy Greens: Kale, Swiss chard, arugula, and other leafy greens grow well and can be harvested continuously.
  • Microgreens and Sprouts: Quick-growing and nutrient-rich, perfect for adding fresh greens to your diet.
  • Bulbs: Flowers like tulips, daffodils, and lilies can be grown from bulbs in the greenhouse.
  • Small Fruit Trees: Dwarf varieties of apple, fig, and peach trees can be managed within this space.
  • Houseplants: Use the greenhouse as a haven for your houseplants, especially during colder months.
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Factors to Consider When Choosing a 6×6 Greenhouse

Floor Options

When choosing a 6×6 greenhouse, think about the type of floor you’ll need. Some greenhouses come with built-in floors, while others might just have a frame that sits on the ground. If you want to keep things simple, a dirt or gravel floor can work well and helps with drainage. For a cleaner look and more stability, you might consider adding a concrete or wooden floor. Just make sure it’s something that works for your gardening style and the plants you’ll be growing.

Concrete floors have many great benefits for a greenhouse

Here’s what you should know about flooring:
Greenhouse Flooring Ideas: The Best Materials For Plant Growth

Climate and Weather Resistance

Your greenhouse needs to withstand the local weather. If you live in a place with heavy snowfall or strong winds, you’ll want a greenhouse with a sturdy frame and a cover that can handle tough conditions. Look for materials like polycarbonate panels or reinforced plastic covers that offer good insulation and UV protection. Also, think about ventilation options to control the temperature and humidity inside the greenhouse. Proper vents or windows are crucial for keeping your plants healthy in different weather conditions.

6x6 greenhouse plans

Additional Accessories

Accessories can make a big difference in how easy and effective your greenhouse is to use. Shelving, hooks, and potting benches can help you organize your space better. Some greenhouses come with built-in irrigation systems or heating options, which are great for more advanced gardening. Think about what extras might make your gardening more convenient and productive. Sometimes, spending a little more on these accessories can save you time and effort in the long run.

Here are some of my favorite greenhouse accessories:
14 Best Greenhouse Accessories That You Need In 2024

Customer Service and Warranty

Good customer service and a solid warranty are important factors when buying a greenhouse. You want to be sure that if something goes wrong, you can get help quickly. Check if the manufacturer offers a warranty that covers the frame and the cover. It’s also worth looking at reviews to see how the company handles customer issues. A company with responsive and helpful customer service can make your gardening experience much smoother and more enjoyable.


Choosing the right 6×6 greenhouse can make a huge difference in your gardening experience. Whether you’re a beginner or an experienced gardener, there’s a kit that suits your needs. The Outsunny Polycarbonate is a standout for overall quality and ease of use, while the Yitahome is perfect if you want a simple assembly process. For those on a budget, the Miracle-Gro Greenhouse offers great value without sacrificing quality. And if you’re new to greenhouse gardening, the Outsunny Tunnel Greenhouse is an excellent choice to get started.

6 x 6 greenhouse plans

Remember to consider factors like floor options, climate resistance, additional accessories, and customer service when making your decision. Each of these elements can help ensure that your greenhouse meets your specific needs and lasts for years to come.

Happy gardening!

Here are some of my favorite greenhouse accessories:
14 Best Greenhouse Accessories That You Need In 2024


Is a 6×6 greenhouse big enough?

Yes, a 6×6 greenhouse is plenty big for most home gardeners. It offers enough space to grow a variety of plants, including vegetables, flowers, and herbs. It’s also compact enough to fit in most backyards, making it a convenient and practical choice.

Are small greenhouses worth it?

Absolutely! Small greenhouses are great for extending your growing season, protecting plants from harsh weather, and keeping pests at bay. They provide a controlled environment that can lead to healthier plants and higher yields, making them a worthwhile investment for any gardener (1).

What is the best greenhouse for a beginner?

The Outsunny Tunnel Greenhouse is perfect for beginners. It’s easy to set up, budget-friendly, and comes with useful features like roll-up walls for ventilation and a sturdy frame for stability. It’s a great way to get started with greenhouse gardening.

What is the best base for a small greenhouse?

A concrete or wooden floor is the best base for a small greenhouse. These options provide stability and help with drainage. If you prefer something simpler, a gravel or dirt floor can also work well and is easier to set up.

What is the best size for a greenhouse?

The best size for a greenhouse depends on your gardening needs and available space. A 6×6 greenhouse is a versatile and popular choice, offering enough room for a variety of plants while being compact enough for most backyards. If you have more space and want to grow more plants, consider a larger size.

greenhouse 6x6

1 – Charlotte McCaughan-Hawes, House And Garden, taken from:

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Jason Watson

My initial goal was to protect my loved ones from harmful pesticides & help them enjoy nature more. Now, I want to tell as many people as I can about what I've learned... I hope that I can inspire you to help cool our planet with your own little slice of paradise 🌱. Let's do this together!

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