How long is a greenhouse? Interesting facts!

The Best Greenhouse Size: How to Choose a Perfect Fit for All Your Needs

Size is an important consideration when determining which Greenhouse is best for your needs. It’s also true that the larger the Greenhouse, the less temperature fluctuation there will be.

In a perfect scenario, when you have enough suitable land to site your new Greenhouse and money is no object, the growing capacity you want is likely to dictate the size and type you pick for your new Greenhouse.

A small greenhouse (6′ wide by 10′ long) is ideal for beginners, while a large greenhouse (10′ wide by 14′ long) is ideal for farmers that demand a significantly larger growth capacity.

In general, deciding on a new greenhouse will likely come down to how much room you have in your garden that receives the greatest sunlight, can be quickly leveled to give adequate foundations and has easy access.

Figure 1 Image Source: Wikipedia Netherlands: Westland – greenhouses

Standard Greenhouse Sizes

1.    Freestanding Greenhouse Dimensions

The construction and placement of these greenhouses distinguish them from others. They can be of any size or form.

The most common dimension for a standalone greenhouse is 30 feet wide and 96 feet long. Four, five, or six-foot increments are commonly used to raise or reduce the length.

One alternative is to start with a low-cost greenhouse that can be upgraded later. Some greenhouses allow you to expand the length of your Greenhouse at the back. For this purpose, make sure your Greenhouse has adequate space towards the back.

2.    Gutter-connected Greenhouse Dimensions

Gutter-connected greenhouses are made up of two or more greenhouse sections linked by gutters. Gutter-connected greenhouses provide good support to the building while also directing rainwater away from the Greenhouse.

Gutter-connected greenhouses are generally 40 feet wide and 10 or 12 feet long. The length may be adjusted in 10- or 12-foot increments.

What is the Best Size for your Greenhouse?

There is no such thing as an average greenhouse size. It all depends on your preferences, as well as your backyard area. A hobby greenhouse can be as little as 6’x4′ and as large as 10’x20′.

These dimensions will provide adequate space for any greenhouse lover to cultivate a variety of plants and veggies. A typical greenhouse is 7 feet tall, tall enough to stand up in and cultivate most plants.

A larger greenhouse will require more heating and watering, in addition to the initial expenses. Greenhouse sizes may be classified into three groups:

·      Small Greenhouses

Although there is no set size for a tiny greenhouse, the most common hobby greenhouse size is 68 feet. Even though it’s considered small, there’s still plenty of room.

It can easily accommodate a large number of plants and veggies. Because these measures are so common, you’ll have a lot of alternatives to select from. 6’x’4 is also a nice option.

If you have no outdoor area, an indoor greenhouse or a micro greenhouse may be the best alternative for you. It’s adorable, entertaining, and it’ll grow you one or two plants, as well as some delicious fresh herbs. This will help you enjoy gardening before investing in a bigger greenhouse for your backyard.

·      Medium Greenhouses

 8×12 is the normal medium greenhouse size. Medium greenhouses allow you to cultivate a variety of vegetables and plants in a semi-professional setting. It’s ideal if you have the time and are ready to spend a bit more on your Greenhouse.

·      Large Greenhouses

A greenhouse of 10 ft. wide or more is the choice for big greenhouses. The length can range from 16 to 24 feet. These greenhouses come with a wide range of options. Some, for example, have an interior barrier with a door, allowing you to divide your developing space into two distinct spaces. This allows you to experiment with temperature differences by planting specific crops in warmer areas and other veggies in cooler places. Large greenhouses need a significant financial and time commitment.

Different Greenhouse Widths

8 Foot Width: Many hobby greenhouses come in 8-foot widths. Regrettably, the 8-foot figure refers to the greenhouses outside size. 2-foot broad seats on either side of a 3-foot-wide aisle are common in greenhouses with 8-foot dimensions.

10 Foot Width: Greenhouses with a 10-foot width are highly popular among beginners since they provide 30% more bench area than small greenhouses. A three-foot bench is ideal since it gives enough room for plants while not being too deep for the gardener to reach them.

12 – 20 Foot Widths: Farmers who want to use raised beds or have various exotic plants that require higher headroom may find a greenhouse (width of 12 to 20 feet) to be more practical.

20+ Foot Width: Before you buy or build a greenhouse, consider how much room you’ll have inside and how you’ll use it. The width of the Greenhouse is usually determined by your needs. Greenhouses with a wider width are typically used for commercial purposes. These greenhouses are the way to go when it comes to maximizing production space.


It’s crucial to think about how you’ll use the space inside the Greenhouse before you build it.

Unfortunately, many gardeners fail to consider using the area before constructing or purchasing a greenhouse. This might lead to dissatisfaction and a negative greenhouse experience.

However, with a little planning ahead of time, you can purchase the right size Greenhouse for your specific needs and expectations. When considering space use, it’s crucial to consider the Greenhouse’s available widths and how they’ll affect the Greenhouse’s architecture.